Hüftzentrum BaselProf. Dr. Dr. Karl Stoffel
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Research

Publications & lectures

More than 100 peer-reviewed publications and over 300 lectures at national and international congresses. Search by keyword or filter by type of work.

2026 Teaching material & videos

Stoffel K: Tips & Tricks in Trauma Surgery 2026: Biologically Friendly Wiring Technique [3:18]

2026 Teaching material & videos

Stoffel K: Tips & Tricks in Trauma Surgery 2026: Double Wiring [1:15]

2026 Teaching material & videos

Stoffel K: Tips & Tricks in Trauma Surgery 2026: Preventing Secondary Displacement of the Greater Trochanter [2:10]

2026 Peer-reviewed

Llano L, Ziegler P, Mischler D, Baumann P, Zderic I, Varga P, Richards RG, Gueorguiev B, Höntzsch D, Stoffel K. Biomechanical analysis of protective plating configurations for interimplant femoral fracture prevention. Injury. 2026 Mar 24;57(6):113180

2026 Peer-reviewed

Puls L, Mischler D, Llano L, Varga P, Zderic I, Kraus M, Richards RG, Gueorguiev B, Stoffel K. Impact of end-screw configuration on peri-implant fracture risk in distal femoral plating. Clin Biomech (Bristol). 2026 Apr;134:106793

2026 Peer-reviewed

Schmitter F, Nüesch C, Koch D, Stoffel K, Ismailidis P, Mündermann A. Differences in gait kinematics and kinetics between patients 1 year after totalhip or knee arthroplasty and healthy controls. Clin Biomech (Bristol). 2026 Jan;131:106691

2026 Peer-reviewed

Stark T, Stoffel K, Ilchmann T, Gahl B, Zwicky L, Ochsner PE, Clauss M. Long- term results of the Burch-Schneider antiprotrusio cage: a single-centre follow- up of 144 cases after a minimum of 5 years. Hip Int. 2026 Jan;36(1):72-80

2026 Peer-reviewed

Stoffel KK, Sommer C, Horn Lang T, Hessmann MH. Patellar fractures : Overview of surgical treatment concepts.Oper Orthop Traumatol. 2026 May 20

2026 Peer-reviewed

Mauch M, Nüesch C, Bühl L, Chocholáč T, Mündermann A, Stoffel K. Persistent hamstring overactivation during squats after surgical repair of proximal hamstring avulsions in an elderly, non-athletic population: A pilot study.Clin Biomech (Bristol). 2026 Jul 12;139

2026 Peer-reviewed

Schmitter F, Nüesch C, Koch D, Stoffel K, Ismailidis P, Mündermann A. Differences in gait kinematics and kinetics between patients 1 year after total hip or knee arthroplasty and healthy controls. Clin Biomech (Bristol). 2026 Jan;131

2026 Peer-reviewed

Stark T, Stoffel K, Ilchmann T, Gahl B, Zwicky L, Ochsner PE, Clauss M. Long-term results of the Burch-Schneider antiprotrusio cage: a single-centre follow-up of 144 cases after a minimum of 5 years. Hip Int. 2026 Jan;36(1):72-80

2026 Lectures & abstracts

Gueorguiev B, Pastor T, Zderic I, Pastor T, Kraus M, Beeres K, Link B, Varga P, Richards G, Stoffel K, Knobe M. New helical plate systems for fixation of proximal humerus and distal femur fractures-anatomical and biomechanical considerations. 14th Congress of the German Society for Biomechanics (DGfB), March, Hamburg 2026

2026 Lectures & abstracts

Stoffel Karl. Invited Lecture: Intraoperative acetabular and femoral fractures during primary Total Hip Arthroplasty. CME Forum Merian Iselin Hospital, Basel, April 2026

2026 Lectures & abstracts

Stoffel K. Invited Lecture: Loose Stem: When and how to fix it? Fracture days Goeteborg, May 2026

2026 Lectures & abstracts

Stoffel K. Invited Lecture: A new modified algorithm for assessment stem stability Fracture days Goeteborg, May 2026

2026 Lectures & abstracts

Stoffel K. Invited Lecture: Infected periprosthetic fractures. One or two stage revision? Fracture days Goeteborg, May 2026

2026 Lectures & abstracts

Stoffel K. Invited Lecture: Periprosthetic Distal Femur Fractures: Single vs Dual-Implant Fixation. Annual Meeting Swiss Orthopaedic Association, Basel June, 2026

2026 Lectures & abstracts

Bazonelou M, Horn T, Brand Ch, Stoffel K. Influence of Cemented Femoral Stem Design on the Risk of Periprosthetic Femoral Fractures: A comparative retrospective study with data from the Swiss National Joint Registry (SIRIS). Annual Meeting Swiss Orthopaedic Association, Basel June, 2026

2026 Lectures & abstracts

Puls L, Gueorguiev B, Stoffel K. The End-Screw Myth In Locked Plating – What Biomechanics Really Tells Us. Annual Meeting Swiss Orthopaedic Association, Basel June, 2026

2026 Lectures & abstracts

Maai N, Horn T, Mauch M, Stoffel K. CT-based Migration Analysis (CTMA) as a Marker-Free Alternative to Radiostereometric Analysis (RSA) for Monitoring Prosthesis Migration After Total Hip Arthroplasty with a Cemented Short Stem: A Prospective Case Series of 30 Patients. Annual Meeting Swiss Orthopaedic Association, Basel June, 2026

2026 Lectures & abstracts

Studer D, Clauss M, Stoffel K. A novel fixation strategy of periprosthetic patella fractures with disrupted extensor mechanism - a technical note using the VA Locking Patella Plate System. Annual Meeting Swiss Orthopaedic Association, Basel June, 2026

2026 Lectures & abstracts

D. Mischler, L. Llano, P. Ziegler, P. Baumann, I. Zderic, P. Varga, RG.Richards, B. Gueorguiev, D. Höntzsch, K. Stoffel. Which Configuration Of Protective Plating Is Optimal To Minimize The Risk OfInterimplant Femoral Fractures? – A Biomechanical Study. European Orthopaedic Research Society (EORS), Madrid, Spain, September 2026

2026 Lectures & abstracts

P. Varga, L. Puls, L Liano, I Zederic, M Kraus, RG Richards, B. Guerguiev, Stoffel K. Which End-Screw Configuration Is Most Effective To Reduce The Risk The Peri-Implant Fracture Risk In Distal Femoral Plating? – Insights From Biomechanical Testing. European Orthopaedic Research Society (EORS), Madrid, Spain, September 2026

2026 Lectures & abstracts

Stoffel K. Invited Lecture: The problematic transverse fracture below a stable hip stem: Any concerns? Femoral Fragility Trauma Masterclass, Birmingham, England September 2026

2026 Lectures & abstracts

Stoffel K. Invited Lecture: Failed osteosynthesis after proximal femur fractures - the next step. 36. AO Trauma Seminar Ost—Problemfrakturen, Korrektur- und Revisionschirurgie des Beckens &Hüftgelenkes. Dresden, Germany, October 2026

2025 Peer-reviewed

Puls L, Llano L, Zderic I, Gueorguiev B, Stoffel K. Reducing femoral peri-implant fracture risk through optimized plate length and screw configuration - a biomechanical study. J Orthop Surg Res. 2025 Apr 4;20(1):340

2025 Peer-reviewed

Stoffel K, Zderic I, Pastor T, Woodburn W, Castle R, Penman J, Saura-Sanchez E, Gueorguiev B, Sommer C. Anterior variable-angle locked plating of complex patella fractures - Does the type of polar screw matter? Stoffel K, Zderic I, Pastor T, Woodburn W, Castle R, Penman J, Saura-Sanchez E, Gueorguiev B, Sommer C. Clin Biomech (Bristol). 2025 Mar 15;124

2025 Peer-reviewed

Christofilopoulos P, Bothorel H, Bilger S, Rüter F, Cody R, Stoffel K. Measuring Short-Term Outcomes Following Primary Total Hip Arthroplasty: A Value-Based Healthcare Approach. J Clin Med. 2025 May 9;14(10):3310

2025 Peer-reviewed

Stoffel K, Clauss M, Mauch M. Which B2 Fractures Can Be Treated with ORIF? Validation of the "Beyond the Vancouver Classification". Medicina (Kaunas). 2025 Jun 24;61(7):1138

2025 Peer-reviewed

Ganchev K, Penev P, Zderic I, Klos K, Richards RG, Raykov D, Gueorguiev B, Llano L, Stoffel K. A Minimally Invasive Fixation Versus Double Plating of Associated Posterior Malleolus and Fibula Fractures-A Comparative Human Cadaveric Biomechanical Study. Medicina (Kaunas). 2025 Oct 15;61(10):1847

2025 Lectures & abstracts

Stoffel K. Invited Lecture. Intraoperative Fractures during primary THA. Swiss Orthopaedics Cont Ed Meeting, Bern, Jan 2025

2025 Lectures & abstracts

Stoffel K. Invited Lecture. Periprosthetic Fractures around the shoulder and elbow. 9th International Trauma Conference, Dubai, Feb 2025

2025 Lectures & abstracts

Stoffel K. Invited Lecture. Pitfalls of distal intraarticular Femur fractures. 9th International Trauma Conference, Dubai, Feb 2025

2025 Lectures & abstracts

Stoffel K. Invited Lecture. Complex distal femur fractures. State of the art treatment. 9th International Trauma Conference, Dubai, Feb 2025

2025 Lectures & abstracts

Stoffel K. Invited Lecture. Retrograde nailing for distal periprosthetic femur fractures. Advanced Innovative Solutions in periprosthetic fracture surgery, Dubai, Feb 2025

2025 Lectures & abstracts

Stoffel K. Invited Lecture. Short stems in THA. 12th International Congress for Joint Reconstruction Middle East (ICJR ME), April, Dubai 2025

2025 Lectures & abstracts

Stoffel K. Invited Lecture. Is the stem loose?. 12th International Congress for Joint Reconstruction Middle East (ICJR ME), April, Dubai 2025

2025 Lectures & abstracts

Stoffel K. Invited Lecture. Transverse B1 stem tip fracture: rix or replace? 12th International Congress for Joint Reconstruction Middle East (ICJR ME), April, Dubai 2025

2025 Lectures & abstracts

Stoffel K. Invited Lecture. B2/B3 fractures: ORIF or Replacement? DACH Meeting, Lugano, May 2025

2024 Peer-reviewed

Mauch M, Nüesch C, Bühl L, Chocholac T, Mündermann A, Stoffel K. Reconstruction of proximal hamstring ruptures restores joint biomechanics during various walking conditions. Hip Int. 2024 Jul;34(4):516-523

2024 Peer-reviewed

Warner S, Sommer C, Zderic I, Woodburn W, Castle R, Penman J, Saura-Sanchez E, Helfet DL, Gueorguiev B, Stoffel K. Lateral rim variable angle locked plating versus tension band wiring of simple and complex patella fractures: a biomechanical study. Arch Orthop Trauma Surg. 2024 May;144(5):2131-2140

2024 Peer-reviewed

Wittauer M, Stoffel K. An Unconventional Solution for Persistent Lateral Hip Prosthetic Friction Syndrome (LHPFS) after Revision Total Hip Arthroplasty. Case Rep Orthop. 2024 Apr 18

2024 Peer-reviewed

Suhm N, Stoffel K. [Do All Very Old Patients Benefit from Osteoporosis Drug Treatment?]. Praxis (Bern 1994). 2024 Jan;113(1):15-19

2024 Lectures & abstracts

Stoffel K. Invited Lecture: Acetabular Bone loss in revision arthroplasty: Assessment and management. PCO 7. June Tulouse; 2024

2024 Lectures & abstracts

Stoffel K. Invited lecture. Tradition vs Innovation – how to combine both in implant designs and outcome. 11th International Congress for Joint Reconstruction Middle East (ICJR ME), April, Dubai 2024

2024 Lectures & abstracts

Stoffel K: Invited Lecture: Treatment of complex distal femur fractures with retrograde nailing. Annual Meeting of Taiwan Orthopaedic Association, Taipei April 2024

2024 Lectures & abstracts

Stoffel K. Invited Lecture. Tips and Tricks in proximal femur fracture treatment. Swiss Orthopaedics Fortbildungstag Jan 2024

2024 Lectures & abstracts

Stoffel K. Invited Lecture. Is the stem loose? 25th EFFORT Congress, Hamburg, Germany, May 2024

2024 Lectures & abstracts

Stoffel K. Invited Lecture: How to assess stem stability in a proximal periprosthetic fracture. 25th EFFORT Congress, Hamburg, Germany, May 2024

2024 Lectures & abstracts

Stoffel K. Invited Lecture: Negelected neck of femur fracture. 25th EFFORT Congress, Hamburg, Germany, May 2024

2024 Lectures & abstracts

Stoffel K. Invited Lecture: The complex periprosthetic proximal femur fracture. SIOT, Roma, Sept 2024

2024 Lectures & abstracts

Stoffel K. Invited Lecture: X ray analysis of the most common hip and pelvis pathologies. Forum Rheumatology, Basel, Nov 2024

2024 Lectures & abstracts

Stoffel K. Invited Lecture. Periprosthetic fractures: An increasing burden. Singapore Orthopaedic Association, Singapore, Oct 2024

2024 Lectures & abstracts

Stoffel K. Invited Lecture. Complex distal femur fractures: State of the Art. Singapore Orthopaedic Association, Singapore, Oct 2024

2024 Lectures & abstracts

Stoffel K. Invited Lecture. Innovation in Orthopaedic Trauma. Singapore Orthopaedic Association, Singapore, Oct 2024

2024 Lectures & abstracts

Stoffel K. Invited Lecture. Proximal and distal femoral nailing in complex fracture situations: Tips and Tricks from the expert. Malaysian Orthopaedic Trauma Seminar. Kuala Lumpur., Oct 2024

2023 Peer-reviewed

Schader JF, Zderic I, Dauwe J, Sommer C, Gueorguiev B, Stoffel K. Biomechanical Comparison of Intramedullary Versus Extramedullary Implants for Fixation of Simple Pertrochanteric Fractures. J Orthop Trauma. 2023 May 1;37(5):243-248

2023 Peer-reviewed

Mauch M, Brecht H, Clauss M, Stoffel K. Use of Short Stems in Revision Total Hip Arthroplasty: A Retrospective Observational Study of 31 Patients.. Medicina (Kaunas). 2023 Oct 13;59(10):1822

2023 Peer-reviewed

Stoffel K, Zderic I, Pastor T, Woodburn W, Castle R, Penman J, Saura-Sanchez E, Gueorguiev B, Sommer C. Anterior variable-angle locked plating versus tension band wiring of simple and complex patella fractures - a biomechanical investigation. .BMC Musculoskelet Disord. 2023 Apr 11;24(1):279

2023 Peer-reviewed

Wallace DT, Stoffel K, Baines. Technical note: acetabular augmentation with customisable cementless all-polyethylene insert.Wallace DT, Stoffel K, Baines J.Hip Int. 2023 Sep 8

2023 Peer-reviewed

Ismailidis P, Mündermann A, Stoffel K. A Monocortical Screw for Preventing Trochanteric Escape in Extended Trochanteric Osteotomy: A Simple Solution to a Complicated Problem? .J Clin Med. 2023 Apr 18;12(8):2947

2023 Peer-reviewed

Stoffel K, Zderic I, Pastor T, Woodburn W, Castle R, Penman J, Saura-Sanchez E, Gueorguiev B, Sommer C. Anterior variable-angle locked plating versus tension band wiring of simple and complex patella fractures - a biomechanical investigation. BMC Musculoskelet Disord. 2023 Apr 11;24(1):279

2023 Peer-reviewed

Zhelev D, Hristov S, Zderic I, Ivanov S, Visscher L, Baltov A, Ribagin S, Stoffel K, Kralinger F, Winkler J, Richards RG, Varga P, Gueorguiev B. Treatment of Metaphyseal Defects in Plated Proximal Humerus Fractures with a New Augmentation Technique-A Biomechanical Cadaveric Study. Medicina (Kaunas). 2023 Sep 5;59(9):1604

2023 Peer-reviewed

Pukalski Y, Barcik J, Zderic I, Yanev P, Baltov A, Malouchev O, Stoffel K, Richards G, Gueorguiev B, Enchev D.J Superior fixation strength of coronoid process replacement using individually designed 3D printed prosthesis with curved cemented intramedullary stem. .J Shoulder Elbow Surg. 2023 May;32(5):1079-1087

2023 Peer-reviewed

Kaufmann M, Nüesch C, Clauss M, Pagenstert G, Eckardt A, Ilchmann T, Stoffel K, Mündermann A, Ismailidis P. Functional assessment of total hip arthroplasty using inertial measurement units: Improvement in gait kinematics and association with patient-reported outcome measures. .J Orthop Res. 2023 Apr;41(4):759-770

2023 Peer-reviewed

Chocholáč T, Bühl L, Nüesch C, Bleichner N, Mündermann A, Stoffel K. Modified surgical anchor refixation in older patients with acute proximal hamstring rupture: clinical outcome, patient satisfaction and muscle strength. Arch Orthop Trauma Surg. 2023 Aug;143(8):4679-4688

2023 Peer-reviewed

Stoffel K, Michelitsch C, Arora R, Babst R, Candrian C, Eickhoff A, Gebhard F, Platz A, Schmid FA, Weschenfelder W, Sommer C.Clinical performance of the Femoral Neck System within 1 year in 125 patients with acute femoral neck fractures, a prospective observational case series. Archives Orthop Trauma Surg. 2023 Jul;143(7):4155-4164

2023 Peer-reviewed

Marlene Mauch; Hendrik Brecht; Martin Clauss; Karl Stoffel Use of Short Stems in Revision Total Hip Arthroplasty: A Retrospective Observational Study of 31 Patients. Medicina 2023-10-13

2023 Lectures & abstracts

Stoffel K. Invited Leture: Primary total hip arthroplasty for fractures around the hip. AORecon/JSRA Congress, Tokyo, Japan, February 2023

2023 Lectures & abstracts

Ivan Zderic, Stephen Warner, Karl Stoffel, William Woodburn, Richard Castle, Jessica Penman, Eladio Saura-Sanchez, David L. Helfet, Boyko Gueorguiev, Christoph Sommer. Lateral rim variable angle locked plating versus tension band wiring of simple and complex patella fractures – a biomechanical study. Annual Meeting EORS, Porto, 2023

2022 Teaching material & videos

Stoffel K. Webinar: Neck of Femur Fracture in The Young Adult; Nov 2022

2022 Teaching material & videos

Stoffel K. Webinar: Hot topics in hip arthroplasty: Periprosthetic fractures around the hip. July 2022

2022 Teaching material & videos

Stoffel K. Webinar: Moderation of: Current debates and hot topics in arthroplasty. Nov 2022

2022 Peer-reviewed

Hadzhinikolova M, Zderic I, Ciric D, Barcik J, Enchev D, Baltov A, Rusimov L, Varga P, Stoffel K, Richards G, Gueorguiev B, Rashkov M. Volar versus combined dorsal and volar plate fixation of complex intraarticular distal radius fractures with small dorsoulnar fragment – a biomechanical study. Mariya Hadzhinikolova, Ivan Zderic, Daniel Ciric, Jan Barcik, Dian Enchev, Asen Baltov, Lyubomir Rusimov, Peter Varga, Karl Stoffel, Geoff Richards, Boyko Gueorguiev, Mihail Rashkov. BMC Musculoskeletal Disorder, Jan 23, 35, 2022

2022 Peer-reviewed

Petfield J, Visscher L, Gueorguiev B, Stoffel K, Pape HC. Tips and tricks to avoid implant failure in proximal femur fractures treated with cephalomedullary nails: a review of the literature. OTA International, Vol 5, Issue 2S, e191, April 2022

2022 Peer-reviewed

Herausforderung: Revision eines fest eingewachsenen kurvierten Kurzschaftes in der Hüftendoprothetik: Vorstellung eines neuen, kurvierten Extraktions-Meißel-Systems The challenge of revising a well-fixed curved calcar-guided short stem in total hip arthroplasty: Introduction of a new curved extraction chisel system. Kutzner P, Stoffel K, Hochreiter J. Operative Orthopädie und Traumatologie, May 2022

2022 Peer-reviewed

Hristov S, Visscher L, Winkler J, Zhelev D, Ivanov S, Veselinov D, Baltov A, Varga P, Berk T, Stoffel K, Kralinger F, Gueorguiev B. A Novel Technique for Treatment of Metaphyseal Voids in Proximal Humerus Fractures in Elderly Patients. Medicina 2022, 58, 1424

2022 Peer-reviewed

Zderic I, Gueorguiev B, Blauth M, Weber A, Koch R, Dauwe J, Schader JF, Stoffel K, Finkemeier C, Hessmann M. Angular stable locking in a novel intramedullary nail improves construct stability in a distal tibia fracture model. Injury. 2022 Mar;53(3):878-884

2022 Peer-reviewed

Pastor T, Zderic I, Gehweiler D, Gardner MJ, Stoffel K, Richards G, Knobe M, Gueorguiev B. Biomechanical analysis of recently released cephalomedullary nails for trochanteric femoral fracture fixation in a human cadaveric model. Arch Orthop Trauma Surg. 2022, Dec;142(12):3787-3796

2022 Peer-reviewed

Kaufmann M, Nüesch C, Clauss M, Pagenstert G, Eckardt A, Ilchmann T, Stoffel K, Mündermann A, Ismailidis P Functional assessment of total hip arthroplasty using inertial measurement units: Improvement in gait kinematics and association with patient-reported outcome measures. J Orthop Res. 2022 Jul 26

2022 Lectures & abstracts

Stoffel K. Inivited Lecture. Periprosthetic femur fracture fixation in cases with significant bone loss due to stress shielding. AO Dreiländertagung, Vienna; 5-7 May (2022)

2022 Lectures & abstracts

Stoffel K. Invited Lecture. Clinical performance of the Femoral Neck System within 1 year in 125 patients with femoral neck fractures, a prospective observational case series. Fracture Days of the Swedish Trauma Association, Goeteborg, 18-20 May (2022)

2022 Lectures & abstracts

Stoffel K. Invited Lecture. Hoffa Fractures. Fracture Days of the Swedish Trauma Association, Goeteborg, 18-20 May (2022)

2022 Lectures & abstracts

Stoffel K. Invited Lecture. How to avoid pitfalls in complex distal femur fractures. Fracture Days of the Swedish Trauma Association, Goeteborg, 18-20 May (2022)

2022 Lectures & abstracts

Stoffel K. Zderic I, Pastor T, Woodburn W, Castle R, Penman J, Saura-Sanchez E, B Gueorguiev, Sommer Ch, Anterior variable-angle locked plating versus tension band wiring of simple and complex patella fractures – a biomechanical study. International Combined Orthopaedic Research Society meeting (ICORS), 20-22 Edinbuough, Scottland (2022)

2022 Lectures & abstracts

Eckardt H, Morgenstern M, Cadosch D, Stoffel K. Flouroscopiccontrol of tibia torsion after intramedullary nailing, a technical trick, Swiss Orthopaedic Association Congress, Bale, June 2022

2022 Lectures & abstracts

Mündermann A, Nüesch C, Kaufmann F, Clauss M, Stoffel K, Pagenstert G, Eckardt A, Ilchmann T, Ismailidis P. Changes in gait kinematics after hip arthroplasty assessed using wearable sensors are associated with PROMs. Swiss Orthopaedic Association Congress, Bale, June 2022

2022 Lectures & abstracts

Eckardt H, Morgenstern M, Cadosch D, Stoffel K. Flouroscopiccontrol of tibia torsion after intramedullary nailing, a technical trick. Poster at the Swiss Orthopaedic Association Congress, Bale, June 2022

2022 Lectures & abstracts

Stoffel K. Invited Lecture: Current Concepts for Distal Femur from A-Z: Indications and techniques for double plating of the distal femur. DKOU, Berlin, Oct 2022

2022 Lectures & abstracts

Mündermann A, Bühl L, Nüesch C, Bleichner N, Chocholac Z, Stoffel K. Gait biomechanics in patients after acute proximal hamstring tendon rupture treated with modified surgical anchor refixation. Poster, DKOU, Berlin, Oct 2022

2022 Lectures & abstracts

Stoffel K. Invited Lecture: Femoral Neck Fracture in Younger Patients: Nonunion of the Femoral Neck: Intertrochanteric Osteotomy. DKOU, Berlin, Oct 2022

2022 Lectures & abstracts

Stoffel K. Invited Lecture: Femoral Neck Fracture in Younger Patients. DKOU, Berlin, Oct 2022

2022 Lectures & abstracts

Stoffel K. Invited Lecture: Total hip arthroplasty for neck of femur fracture in the young adult. EFORT Webinars: The neck of femur fracture in the young adult. Nov 2022

2022 Lectures & abstracts

Gueorguiev B, Stoffel K, Zderic I, Sanchez E, Woodburn W, Castle R, Penman J, Sommer C.Is Anterior Variable Angle Locked Plating Of Simple And Complex Patella Fractures Advantageous Over Tension Band Wiring? A Biomechanical Cadaveric Study. EFORT, Lisbon, June, 2022

2022 Lectures & abstracts

Nüesch C; Ismailidis P; Koch D; Stoffel K; Mündermann A. Changes in gait patterns after hip arthroplasty-comparing IMU-and Maker baseded data. European Society of Biomechanics, Annual Congress Porto, Lisbon, June 2022

2022 Lectures & abstracts

Mündermann A, Nüesch C, Kaufmann M, Clauss M, Stoffel K, Pagenstert G, Eckardt A, IIchmann T, Ismailidis P. Changes in gait kinematics after hip arthroplasty assessed using wearable sensors are associated with PROMS. Annual Congress Swiss Orthopaedics, Basel, June 2022

2022 Lectures & abstracts

Stoffel K, Zderic I, Pastor T, Woodburn W, Castle R, Penman J, Sanchez E, Gueorguiev B, Sommer C. Anterior variable-angle locked plating versus tension band wiring of simple and complex patella fractures – a biomechanical study. World Orthopaedic Research Congress of the International Combined Orthopaedic Research Societies (ICORS), Edinburgh, Scotland, September 2022

2022 Lectures & abstracts

Ecdkardt H, Morgenstern M, Cadosch D, Stoffel K. Flouroscopic control of tibial torsion after intramedullary nailing of tibia fractures, a technical trick. Swiss Orthopaedic Association, Lausanne 2022

2021 Teaching material & videos

Stoffel K, Hessmann M: Innovations in retrograde femoral nailing - Retrograde Femoral Nail Advanced 2021

2021 Teaching material & videos

Hessmann M, Stoffel K 2021: Innovations in nailing of tibial fractures - Tibia Nail Advanced

2021 Teaching material & videos

Stoffel K. Finemeyer Ch: Meet the Experts: Innovations in Treatment of Periprosthetic Proximal Femur Fractures 2021

2021 Peer-reviewed

Hofmann L, Kasper L, Varga P, Zderic I, Gehweiler D, Klos K, Hofmann O, Stoffel K, Gueorguiev B. Biomechanical evaluation of retrograde docking nailing to a total hip arthroplasty stem in a periprosthetic femur fracture model. Injury. Jan;52(1):53-59.2021

2021 Peer-reviewed

Lenz M, Acklin YA, Kasper L, Mischler D, Varga P, Zderic Y, Gehweiler D, Klos K, Gueorguiev B, Stoffel K. Biomechanical evaluation of the docking nail concept in periprosthetic fracture fixation around a stemmed total knee arthroplasty. J Biomech. Jan 22;115. 2021

2021 Peer-reviewed

Sepehri A, von Roth P, Stoffel K, Acklin Y, Oussedike S, Wijburg B, Wadag A, Cunningham M, Masri B. Surgical Skills Training Using Simulation for Basic and Complex Hip and Knee Arthroplasty. Orthopedic Clinics of North America, Volume 52, Issue 1, 1-13, 2021

2021 Peer-reviewed

Kfuri M, Escalante I, Schopper C, Zderic Y, Stoffel K, Sommer C, Qawasmi F, Knobe M, Richards G, Gueorguiev B. Comminuted Patellar Fractures: The Role of Biplanar Fixed Angle Plate Constructs. JOTR, 27; 17–24, 2021

2021 Peer-reviewed

Sermon A, Zderic I, Khatchadourian R, Scherrer S, Knobe M, Stoffel K, Gueorguiev B. Bone cement augmentation of femoral nail head elements increases their cut-out resistance in poor bone quality– A biomechanical study. J of Biomechanics J Biomech. Mar 30;118:110301 2021

2021 Peer-reviewed

Schader J.F, Zderic I, Gehweiler D, Dauwe J; Mys K, Danker C, Acklin Y, Sommer C, Gueorguiev B, Stoffel K. Martinho T, Stoffel K. Treatment of intertrochanteric femur fractures in the Elderly by hip arthroplasty: A narrative review of indications and outcomes. BMC Musculoskeletal Disorders, 22:371, 2021

2021 Peer-reviewed

Sheridan GA, Sepehri A, Stoffel K, Masri BA.Treatment of B1 Distal Periprosthetic Femur Fractures. Orthop Clin North Am. Oct;52(4):335-346. 2021

2021 Peer-reviewed

Schweser K, Sirkin M, Reilly M, Stoffel K, Sommer C, Hoentzsch D, Cris B. A Biologically Friendly Wire Tensioning Technique and How a Worldwide Surgeon Education Network Can Affect Patient Care. JOT, SDC, Supp Feb, 42-46 2021

2021 Peer-reviewed

James W. Fletcher A, Sommer C, Eckardt H, Knobe M, Gueorguiev B, Stoffel K. Intracapsular femoral neck fractures – a surgical management algorithm. Medicina, Jul 31,57(8);791 2021

2021 Peer-reviewed

Martinho T, Stoffel K. Treatment of intertrochanteric femur fractures in the Elderly by hip arthroplasty: A narrative review of indications and outcomes. Medicina, July 27;57 (8); 763; 2021

2021 Peer-reviewed

Eckardt H, Morgenstern M, Cadosch D, Stoffel K. Flouroscopic control of tibial torsion after intramedullary nailing, a technical trick. JOT Mar 27 doi :10.1097, 2021

2021 Peer-reviewed

Nüesch C, Ismailidis P, Koch D, Pagenstert G, Ilchmann T, Eckardt A, Stoffel K, Egloff C, Mündermann A. Assessing Site Specificity of Osteoarthritic Gait Kinematics with Wearable Sensors and Their Association with Patient Reported Outcome Measures (PROMs): Knee versus Hip Osteoarthritis. Sensors (Basel). 2021 Aug 10;21(16)

2021 Peer-reviewed

Zderic I, Gueorguiev B, Blauth M, Weber A, Koch R, Dauwe J, Schader JF, Stoffel K, Finkemeier C, Hessmann M. Angular stable locking in a novel intramedullary nail improves construct stability in a distal tibia fracture model. Injury. 2021 Nov 6:S0020-1383(21)00908-6

2021 Peer-reviewed

Schader JF, Zderic I, Gehweiler D, Dauwe J, Mys K, Danker C, Acklin YP, Sommer C, Gueorguiev B, Stoffel K. Standardized artificially created stable pertrochanteric femur fractures present more homogenous results compared to osteotomies for orthopaedic implant testing..BMC Musculoskelet Disord. 2021 Apr 20;22(1):371

2021 Lectures & abstracts

B.Gueorguiev, I.Zderic, M.Blauth, A.Weber, R.Koch, J.Dauwe, J.Schader, K.Stoffel, C.Finkemeier, M.Hessmann, Angular stable locking in a novel intramedullary nail improves construct stability in a distal tibia fracture model, Virtual Global Orthopaedic and MedTech Summit, 5-9 April (2021)

2021 Lectures & abstracts

I.Zderic, J.Caspar, M.Blauth, A.Weber, R.Koch, J.Dauwe, J.Schader, K.Stoffel, C.Finkemeier, M.Hessmann, B.Gueorguiev, Improved construct stability after angular stable intramedullary nailing of distal tibia fractures – a biomechanical study, Virtual Global Orthopaedic and MedTech Summit, 5-9 April (2021)

2021 Lectures & abstracts

Zderic I, Caspar I, Blauth M, Weber A, Koch R, Stoffel K, Finkemeier C. Hessmann M, Gueorguiev B. Improved construct stability after angular stable intramedjllary nailing of distal tibia fractures. A Biomechanical Study. EFFORT, Vienna, June, 2021

2021 Lectures & abstracts

Schader J, ZdericI, Dauwe J, Sommer C, Gueorguiev B, Stoffel K. Old battle with new implant systems - biomechanical comparison of intramedullary versus extramedullary fixation concepts of stable pertrochanteric fractures. German Congress of Orthopaedics and Traumatology DKOU, Berlin, Germany, October 2021

2021 Lectures & abstracts

Gueorguiev B, Zderic I, Sanchez E, Woodburnv W, Castle R. Penman J, Stoffel K, Sommer S. , Biomechanical comparison of anterior variable angle locked plating of simple and complex patella fractures versus tension band wiring, German Congress of Orthopaedics and Traumatology DKOU, Berlin, Germany, October 2021)

2021 Lectures & abstracts

Zderic I, Caspar J, Blauth M, Weber A, Stoffel K, Finkemeier Ch, Hessmann M, Gueorguiev B. Improved stability of distal tibia fractures after angular stable intramedullary nailing – a biomechanical study. 26th Congress of the European Society of Biomechanics, Milan, Italy, July 2021

2021 Lectures & abstracts

Zderic I, Blauth M, Weber M, Koch r, Dauwe J, Schader J,, Stoffel K, Finkemeier C, Hessmann M, Gueorguiev B. Angular stable locking in a novel intramedullary nail improves construct stability in a distal tibia fracture model. Global Orthopaedic and MedTech Summit. Online, March 2021

2021 Lectures & abstracts

Zderic I, Caspar C, Blauth M, Weber A, Koch R, Dauwe J, Schader J, Stoffel K, Finkemeier C, Hessmann M, Gueorguiev B. Improved construct stability after angular stable intramedullary nailing of distal tibia fractures – a biomechanical study, Virtual Global Orthopaedic and MedTech Summit. Online, March 2021

2021 Lectures & abstracts

ChocholacT, Bühl L, Nüesch C; Bleichner N; Mündermann A; Stoffel K. Clinical outcome and patient satisfaction in patients with hamstring rupture treated with modified proximal surgical anchor refixation. SGOT Swiss Orthopaedic Society. Annual Meeting, Basel, June, 2021

2021 Lectures & abstracts

I.Zderic, J.Caspar, M.Blauth, A.Weber, R.Koch, K.Stoffel, C.Finkemeier, M.Hessmann, B.Gueorguiev, Improved stability of distal tibia fractures after angular stable intramedullary nailing – a biomechanical study, Virtual ESB, Milan, Italy, 11-14 July (2021)

2021 Lectures & abstracts

I.Zderic, J.Caspar, M.Blauth, A.Weber, R.Koch, K.Stoffel, C.Finkemeier, M.Hessmann, B.Gueorguiev, Improved construct stability after angular stable intramedullary nailing of distal tibia fractures. A biomechanical study, Virtual 22th EFORT Congress, Vienna, Austria, 30 June-02 July (2021)

2021 Lectures & abstracts

Stoffel K. Invited Lecture. Peri-Implant Bone Remodelling in Total Joint Arthroplasty: Acetabular bone quality and THA success. VEC EFORT 2021

2021 Lectures & abstracts

Zderic I, Caspar J, Blauth M, Weber M, Koch R, Stoffel K, Finkemeier C, Hessmann M, Gueorguiev B. Angular stable intramedullary nailing improves construct stability in a distal tibia fracture model – a biomechanical study. European Orthopaedic Research Society. Annual Kongress Roma, Italy, Sept 2021

2021 Lectures & abstracts

Stoffel K. Invited Lecture. Periprothetic fractures: Pitfalls of diagnosis and treatment: The “fix” stem: Indications and techniques of osteosynthesis. Annual Meeting European Hip Society, Lylle, France, Sept 2021

2021 Lectures & abstracts

Stoffel K. Invited Lecture. The importance of the acetabular component in total hip arthroplasty. Annual Meeting European Hip Society, Lylle, France, Sept 2021

2021 Lectures & abstracts

Brecht H, Clauss M, Stoffel K. The use of short stems in revision total hip arthroplasty: a review of 28 patients. Annual Meeting European Hip Society, Lylle, France, Sept 2021

2021 Lectures & abstracts

Zderic I, Caspar J, Blauth M, Weber A, Koch R, Stoffel K, Finkemeier C, Hessmann M, Gueorguiev B. Improved Construct Stability After Angular Stable Intramedullary Nailing Of Distal Tibia Fractures. A Biomechanical Study. VEC Effort July 2021

2021 Lectures & abstracts

Stoffel K. Invited Lecture: Hip arthroplasty for failed per/subtraochanteric fracture fixation. Annual meeting Swiss Traumatology Association, Bieler Fortbildungstage Sept 2021

2021 Lectures & abstracts

Stoffel K, Lee M, Luo CF, Pesantez R, Finkemeier C, Haidukewych G, Liporace F, Collinge C, Ziran B, Sommer C. The new VA-LCP Periprosthetic Proximal Femur Plating System. AO TK Innovation Magazine. Dec 2021

2021 Lectures & abstracts

Stoffel K, Ivan Zderic, Torsten Pastor, William Woodburn, Richard Castle, Jessica Penman, Eladio Saura-Sanchez, Boyko Gueorguiev, Christoph Sommer. Anterior variable angle locked plating vs tension band wiring of simple and complex patella fractures—a biomechanical investigation. AO TK Innovation Magazine, 2021 Dec, 91-92

2021 Lectures & abstracts

Chocholac T, Bühl L, Nüesch C, Bleichner N, Mündermann A, Stoffel K. Clinical outcome and patient satisfaction in patients with hamstring rupture treated with modified proximal surgical anchor refixation. Swiss Orthopaedics, Annual Congress, Basel, 2021

2021 Lectures & abstracts

Sanchez E, Stoffel K, Lee M, Luo CF, Pesantez R, Lorich D, Helfet D, Warner S, Sommer C. VA Locking Patella Plating System, AO TK Innovation Magazine. Dec 2021

2021 Lectures & abstracts

Stoffel K. Invited Lecture. THA post acetabular fractures. Annual Meeting of the Japanese Hip Society. Oct 2021

2021 Lectures & abstracts

M.Triana, B.Gueorguiev, C.Sommer, K.Stoffel, Y.Agarwal, I.Zderic, T.Helfen, J.C.Krieg, F.Krause, M.Knobe, G.Richards, M.Lenz, LagLoc - a new surgical technique for locking plate systems, OTA, Fort Worth, TX, USA, 20-23 October (2021)

2021 Lectures & abstracts

I.Zderic, J.Caspar, M.Blauth, A.Weber, R.Koch, K.Stoffel, C.Finkemeier, M.Hessmann, B.Gueorguiev. Angular stable intramedullary nailing improves construct stability in a distal tibia fracture model – a biomechanical study, EORS, Rome, Italy, 15-17 September (2021)

2020 Teaching material & videos

Stoffel K. Tibia, Plateau - Bicondylar Fracture 41C3 - Fixation Using The 3.5 VA LCP Proximal Tibia Plate System 2020

2020 Teaching material & videos

Stoffel K. Live surgery FNS 2020

2020 Peer-reviewed

Stoffel K, Blauth M, Joeris A, Blumenthal A, Rometsch E. Fracture fixation versus revision arthroplasty in Vancouver type B2 and B3 periprosthetic femoral fractures. A systematic review. AOTS 140 (10), 1381-1393; Oct, 2020

2020 Peer-reviewed

Thalmann C, Acklin, Y, Clauss M, Horn T, Stoffel K. An excellent 5-year survival rate despite a high incidence of distal femoral cortical hypertrophy in a short hip stem. Hip Int 30 (2) 152-159; March, 2020

2020 Peer-reviewed

Schopper C, Zedric I, Menze J, Müller D, Rocci M, Knobe M, Shoda E, Richards G, Stoffel K. Higher Stability And More Predictive Fixation With The Femoral Neck System Versus Hansson Pins In Femoral Neck Fractures Pauwels II. J Orthop Translat. 24: 88–95, July 2020

2020 Peer-reviewed

Stoffel K, Horn T, Zagra L, Mueller M, Perka C, Eckardt Henrik. Periprosthetic fractures around the hip-Beyond Vancouver Classification. EFFORT Open Rev, 5(7): 449–456, Aug 2020

2020 Lectures & abstracts

Stoffel K. Invited Lecture: Results of an all poly cementless cup. The great debate, London, England, February 2020

2020 Lectures & abstracts

Stoffel K. Invited Lecture: Debate: Is planning the key to success? The great debate, London, England, February 2020

2020 Lectures & abstracts

Schader J, Zderic I, Dauwe J, Mys K, Gehweiler D, Acklin Y, Gueorguiev B, Stoffel K. Biomechanical comparison of standardized stable pertrochanteric fractures versus osteotomies for orthopaedic implant testing. Conference Graubünden forscht – Young scientists in Contest, Davos, September, 2020

2020 Lectures & abstracts

Schader J, Zderic I, Dauwe J, Mys K, Gehweiler D, Acklin Y, Gueorguiev B, Stoffel K. Biomechanical comparison of standardized stable pertrochanteric fractures versus osteotomies for orthopaedic implant testing. Conference Graubünden forscht – Young scientists in Contest, Davos, September, 2020

2020 Lectures & abstracts

Schader J, Zderic I, Gehweiler D, Dauwe J, Mys K, Danker C, Acklin Y, Gueorguiev B, Stoffel K. Standardized fractures – introducing a novel approach to orthopedic implant testing, Virtual EORS, Izmir, Turkey, 17-18 September 2020

2020 Lectures & abstracts

Gueorguiev B, Zderic I, Blauth M, Weber A, Koch R, Dauwe J, Schader J, Stoffel K, Finkemeier C, Hessmann M. Angular stable locking in a novel intramedullary nail improves construct stability in a distal tibia fracture model, Virtual EORS, Izmir, Turkey, 17-18 September 2020

2020 Lectures & abstracts

Sommer C, Lee M, Kabbash C, Suarez F, Jiang C, Oh JK, Luo CF, Stoffel K New Templates for Universal Small Fragment System. AO Innovation Magazin, p35, December 2020

2020 Lectures & abstracts

Gueorguiev B, Zderic I, Blauth M, Weber A, Koch R, Dauwe J, Schader J, Stoffel K, Finkemeier C, Hessmann M. Integrated angular stable locking in the novel Tibia Nail Advanced (TNA) in combination with low-profile retaining locking screws improves fixation stability in a distal tibia fracture model. AO Innovation Magazin p72-73, December 2020

2020 Lectures & abstracts

Varga P, Stoffel K, Lee M, Finkemeier C, Liporace F, Blauth M, Sommer C, Gueorguiev B. Biomechanical benefit of combined nail and plate fixation for treatment of osteoporotic comminuted distal femoral fractures. AO Innovation Magazin p88-89, December 2020

2020 Lectures & abstracts

Finkemeier C, Hessmann M, Lee M, Oppy A, Stoffel K. Advanced Nailing System. AO Innovation Magazin p11-28, December 2020

2019 Teaching material & videos

Stoffel K. Sommer Ch: AO Trauma Webinar: Fixation of Femoral Neck Fractures -State of the Art. 2019

2019 Peer-reviewed

Thalmann C, Kempter P, Stoffel K, Ziswiler T, Frigg A. Prospective 5-year study with 96 short curved FitmoreTM hip stems shows a high incidence of cortical hypertrophy with no clinical relevance. Journal of Orthopaedic Surgery and Research, 14 156; 1-9, 2019

2019 Peer-reviewed

Stoffel K. Acetabular bone quality as a predictor of THA survival and successfulness of revision surgery. Current Challenges in Joint Arthroplasty and Possible Solutions, Proceedings Effort Lunch Symposium Lisbon May; p6-9, 2019

2019 Peer-reviewed

Sommer C, Chen M, Espinoza K, Joeris A, Voegtli D, Stoffel K. The influence of initial cartilage damages in pilon fractures on the development of osteoarthritis and functional outcomes-a prospective multicentre case series. Journal of Musculoskeletal Surgery and Research, Sept; ahead of print, 2019

2019 Peer-reviewed

Madörin K, Siepen W, Manzoni I, Stoffel K, Ilchmann T, Clauss M. Five Five-year prospective subsidence analysis of 100 cemented polished straight stems: A concise clinical and radiological follow-up observation.Madörin K, Siepen W, Manzoni I, Stoffel KK, Ilchmann T, Clauss M. Orthop Rev (Rapia), May 23;11(2), 2019

2019 Peer-reviewed

Thalmann C, Kempter P, Stoffel K, Ziswiler T, Frigg A. Prospective 5-year study with 96 short curved FitmoreTM hip stems shows a high incidence of cortical hypertrophy with no clinical relevance. Journal of Orthopaedic Surgery and Research, 14 156; 1-9, 2019

2019 Peer-reviewed

Schopper C, Zderic I, Menze J, Müller D, Rocci M, Knobe M, Shoda E, Richards G, Gueorguiev B, Stoffel K. Better stability and more predictive fixation with the Femoral Neck System versus two Hansson pins in Pauwels II fractures. AO TK Innovation Magazine. 47-48, 2019

2019 Peer-reviewed

Stoffel K, Sommer C, Lee M, Finkemeier C. Improving the treatment of complex distal femoral fractures. AO TK Innovation Magazine. 47-48, 2019

2019 Peer-reviewed

Papineau J, Bauer S, Hayes A, Stoffel K, Day R, Kuster MS. The Biomechanical Effects of Combining Rigid and Dynamic Fracture Fixation in Simple Fractures. J Trauma Treat Vol 8(3): 449, p1-4, 2019

2019 Lectures & abstracts

Thalmann C, Postler A, Grothe G, Camera A, Grogan R, Goetze C, Stoffel K. 7 Year Experience of Total Hip Arthroplasty With the Fitmore TM Stem. EFORT, Lisbon, June 2019

2019 Lectures & abstracts

Stoffel K. Invited Lecture: Bone quality as a predictor of THA survival and success of revision surgery. EFORT, Lisbon, June 2019

2019 Lectures & abstracts

Stoffel K. Invited Lecture: Periprosthetic femoral fractures: Fracture fixation with poor outcome with analysis. EFORT, Lisbon, June 2019

2019 Lectures & abstracts

Stoffel K. Invited Lecture: Periprosthetic fractures around the knee. EFORT, Lisbon, June 2019

2019 Lectures & abstracts

Stoffel K. Invited lecture: Periprosthetic fractures: Tips and techniques to avoid complications and improve results. 67 Anual Congress of the Southern German Orthopaedic and Trauma Association VSOU, Baden-Baden, Mai 2019

2019 Lectures & abstracts

Stoffel K. Invited lecture: Periprosthetic fractures: Assessment of the stability of implants. Orthogeriatric Trauma Care Association Meeting, Zürich, Sept 2019

2019 Lectures & abstracts

Postler A, Grothe T, Thalmann C, Camera A, Grogan F, Götze C, Stoffel K. 7 Year experience of Total Hip Arthroplasty with Fitmore TM Stem – a prospective multicentre clinical follow-up study. Poster EFORT, Lisbon, June 2019

2019 Lectures & abstracts

Stoffel K. Invited Lecture: Periprosthetic Fractures Around The Knee. AOTrauma/AORecon Symposium - Periprosthetic Fractures. EFORT, Lisbon, June, 2019

2019 Lectures & abstracts

Stoffel K. Invited Lecture: Cases where fixation of periprosthetic fractures had a poor outcome. EFFORT Symposium EFORT, Lisbon, June, 2019

2019 Lectures & abstracts

Schopper C, Zderic I, Menze C, Müller D, Rocci M, Knobe M, Shoda E, Richards G, Gueorguiev B, Stoffel K. Better Stability and More Predictive Fixation of the Femoral Neck System versus Two Hansson Pins in Pauwels II Femoral Neck Fractures – A BiomechanicalvStudy. EORS, NL–Maastricht, October, 2019

2019 Lectures & abstracts

Stoffel K. Invited Lecture: Non-union after initial osteosynthesis: Assessment of fracture biology and treatment options. DKOU, Berlin, October, 2019

2019 Lectures & abstracts

Stoffel K. Invited Lecture: The correct technique for osteosynthesis of Periprosthetic Fractures around the Knee. DKOU, Berlin, October, 2019

2019 Lectures & abstracts

Stoffel K. Invited Lecture: Case presentation of distal femoral aseptic non-union. Bangalore Trauma Congress, Bangalore, India, November, 2019

2019 Lectures & abstracts

Stoffel K. Invited Lecture: Everything about screws in plate osteosynthesis---including mixing biomechanical principles. Bangalore Trauma Congress, Bangalore, India, November, 2019

2019 Lectures & abstracts

Stoffel K. Invited Lecture: Intra-capsular neck of femur fractures: Are osteotomies still an option for failed fixation? Bangalore Trauma Congress, Bangalore, India, November, 2019

2019 Lectures & abstracts

Stoffel K. Invited Lecture: Cement augmentation of proximal femoral nails as a salvage procedure. Bangalore Trauma Congress, Bangalore, India, November, 2019

2019 Lectures & abstracts

Stoffel K. Invited Lecture: Indication and technique for double plate osteosynthesis of the distal femur. Bangalore Trauma Congress, Bangalore, India, November, 2019

2019 Lectures & abstracts

Stoffel K. Invited Lecture: An update on patellar fracture fixation. Bangalore Trauma Congress, Bangalore, India, November, 2019

2018 Book chapters

Velkes S, Stoffel K. Osteoporotic Fracture care. Periprothetic Fractures around the hip. Chapter 3.13 p 461-478. Thieme Verlag ISBN 9783132427518, 2018

2018 Teaching material & videos

Stoffel K. Sommer Ch: Femoral Neck System (FNS): Meet the Expert Session: A new techqnique for Minimal Invasive Fixation of Femoral Neck Fractures. 2018

2018 Teaching material & videos

Stoffel K, Finkemeyer Ch: Femoral neck system an innovative device to repair femoral neck fractures. American Academy of Orthopaedic Surgeons (AAOS). 2018

2018 Peer-reviewed

Rieger B, Illchmann T, Bolliger L, Stoffel K, Zwicky L, Clauss M. Midterm results of revision total hip arthroplasty with an uncemented modular femoral component. Hip Int. 2018; 28(1), 84-89

2018 Peer-reviewed

Oh JK, Zderic I, Stoffel K, Sommer Ch, Helfen T, Camino G, Richards G, Nork S, Gueorguiev B. Biomechanical Analysis Of The Proximal Femoral Locking Compression Plate: Do Quality Of Reduction And Screw Orientation Influence Construct Stability?" J Orthop Trauma. 2018 Feb;32(2):67-74

2018 Peer-reviewed

Zderic I, Oh JK, Stoffel K, Sommer C, Helfen T, Camino G, Richards G, Nork SE, Gueorguiev, B. Biomechanical Analysis of the Proximal Femoral Locking Compression Plate: Do Quality of Reduction and Screw Orientation Influence Construct Stability? J Orthop Trauma. 2018 Feb;32(2):67-74

2018 Peer-reviewed

Camenzind RS, Stoffel K, Beck M. Direct anterior approach to the hip joint in the lateral decubitus position for joint replacement. Oper Orthop Traumatol. 2018 May 25. doi: 10.1007/s00064-018-0550-z

2018 Peer-reviewed

Todorov D, Zderic I, Richards RG, Lenz M, Knobe M, Enchev D, Baltov A, Gueorguiev B, Stoffel K. Is Augmented LISS Plating Biomechanically Advantageous Over Conventional LISS Plating In Unstable Osteoporotic Distal Femoral Fractures? J Orthop Res. 2018 May 10

2018 Peer-reviewed

Triana M, Gueorguiev B, Sommer C, Stoffel K, Agarwal Y, Zderic I, Helfen T, Krieg JC, Krause F, Knobe M, Richards RG, Lenz M. LagLoc-a new surgical technique for locking plate systems. J Orthop Res. 2018 Jun 19

2018 Peer-reviewed

Stoffel K. Cemented versus uncemented stems: what we should be aware of! Current Challenges in Joint Arthroplasty and Possible Solutions, Proceedings Effort Lunch Symposium Barcelona May; p5-7 2018

2018 Peer-reviewed

Triana M, Gueorguiev B, Sommer C, Stoffel K, Agarwal Y, Zderic I, Helfen T, Krieg JC, Krause F, Knobe M, Richards RG, Lenz M. LagLoc-a new surgical technique for locking plate systems. J Orthop Res. 2018 Jun 19

2018 Peer-reviewed

Stoffel K. Cemented versus uncemented stems: what we should be aware of! Current Challenges in Joint Arthroplasty and Possible Solutions, Proceedings Effort Lunch Symposium Barcelona May; p5-7 2018

2018 Lectures & abstracts

Stoffel K. Invited Lecture. Non unions in periprosthetic fractures. 4. Alterstraumatologiekongress, Zürich, March 2018

2018 Lectures & abstracts

Stoffel K. Invited Lecture. Screw positioning in plate osteosynthesis. AO Annual Meeting, Murten, Switzerland, April 2018

2018 Lectures & abstracts

Madörin, K, Siepen W, Manzoni I, Stoffel K, Illchmann Th, Clauss M. Prospective five-year subsidence analysis of 100 cemented polished straight stems – A concise clinical and radiological follow-up observation. Swiss Orthopaedic Society. Annual Meeting, Montreux, June, 2018

2018 Lectures & abstracts

Born P, Manzoni I, Stoffel K, Ilchmann Th, Clauss M. Is Cemented Revision Total Hip Arthroplasty (THA) a Reasonable Treatment Option in a High-Age Population? Swiss Orthopaedic Society. Annual Meeting, Montreux, June, 2018

2018 Lectures & abstracts

Stoffel K. Invited Lecture. Cementless vs cemented stems – what we should be aware of. Mathys Symposium.19th EFORT Congress. Barcelona, Spain. June 2018

2018 Lectures & abstracts

Stoffel K. Invited Lecture. An new algorithm to decide if the stem is loose in a periprosthetic fracture. NVOT Lustrumcongress, Dutch Trauma Association, Amsterdam, June 2018

2018 Lectures & abstracts

Stoffel K. Invited Lecture. Cement augmentation of proximal femoral nails as salvage procedure. NVOT Lustrumcongress, Dutch Trauma Association, Amsterdam, June 2018

2018 Lectures & abstracts

Siepen W. Stoffel K. Co Management aim Kantonsspital Baselland. 1st Swiss Orthogeriatrics day. Bern, October 2018

2018 Lectures & abstracts

Stoffel K. Invited Lecture. Periprosthetic fractures: Introduction to the problem: 2 cases of periprosthetic fractures with poor outcome. DKOU, Berlin, Oct 2018

2018 Lectures & abstracts

Stoffel K. Invited Lecture. Periprosthetic fractures: Nonunion and malunion of periprosthetic fractures. DKOU, Berlin, Oct 2018

2018 Lectures & abstracts

Stoffel K. Invited Lecture. The posttraumatic stiff knee. DKOU, Berlin, Oct 2018

2018 Lectures & abstracts

Stoffel K. Invited Lecture. Intracapsular neck of femur fractures: Are osteotomies still an option? SICOT, Bari, Nov 2018

2018 Lectures & abstracts

Stoffel K. Invited Lecture. Total hip arthroplasty in the sequele of per/subtrochanteric fractures. SICOT, Bari, Nov 2018

2017 Peer-reviewed

Stoffel K, Zderic I, Gras F, Sommer C, Eberli U, Mueller D, Oswald M, Gueorguiev B.Biomechanical Evaluation of the Femoral Neck System in Unstable Pauwels III Femoral Neck Fractures: A Comparison with the Dynamic Hip Screw and Cannulated Screws. J Orthop Trauma. 2017 Mar;31(3):131-137

2017 Peer-reviewed

Filipov O, Stoffel K, Gueorguiev B, Sommer C. Femoral neck fracture osteosynthesis by the biplane double-supported screw fixation method (BDSF) reduces the risk of fixation failure: clinical outcomes in 207 patients. Arch Orthop Trauma Surg. 2017 Apr 8

2017 Peer-reviewed

Zderic I, Stoffel K, Sommer C, Windolf M, Höntzsch D, Gueorguiev B. Biomechanical evaluation of the tension band wiring principle. A comparison between two different techniques for transverse patella fracture fixation. 0020-1383. Injury July 2017

2017 Peer-reviewed

Filipov O, Stoffel K, Gueorguiev B, Sommer C. Biomechanics and indications for application of the method of BDSF. Answer to manuscript draft number AOTS-D-17-00378, Letter to the Editor concerning ‘‘Femoral neck fracture osteosynthesis by the biplane double-supported screw fixation method (BDSF) reduces the risk of fixation failure: clinical outcomes in 207 patients’’ by Filipov O, Sommer C, et al. Arch Orthop Trauma Surg. 2017 July

2017 Peer-reviewed

Sommer C, Nork SE, Graves M, Blauth M, Rudin M, Stoffel K. Quality of fracture reduction assessed by radiological parameters and its influence on functional results in patients with pilon fractures-A prospective multicentre study. Injury. 2017 Dec;48(12):2853-2863. doi: 10.1016/j.injury.2017.10.031. Epub 2017 Oct 20

2017 Lectures & abstracts

Stoffel K. Invited Lecture. Stem fixation in Europe: Trends and Challenges. The 47th Annual Meeting of Japanese Society for Replacement Arthroplasty. Date: 24-25 February 2017. Okinawa Convention Center, Okinawa, Japan

2017 Lectures & abstracts

Todorov D, Zderic I, Stoffel K, Richards G, Lenz M, Enchev D, Gueorguiev B. Is Augmented LISS Plating Biomechanically Advantageous In Comparison To Conventional LISS Plating? 18th EFORT Congress. Vienna, Austria. June 2017

2017 Lectures & abstracts

Stoffel K. Symposium: Current Challenges In Joint Arthoplasty And Possible Solutions: Bone Preservation: A Solution For Individual Reconstruction Of The Patients Anatomy. 18th EFORT Congress. Vienna, Austria. June 2017

2017 Lectures & abstracts

Stoffel K. Invited Lecture. Advanced Course In Total Hip Replacement: Principles Of Internal Fixation Of Periprosthetic Fractures. 18th EFORT Congress. Vienna, Austria. June 2017

2017 Lectures & abstracts

Thalmann C, Bereiter H, Postler, A, Günther KP, Cattaneo G, Camera A, Kluge W, Grogan R, Chotta S, Goetze C, Stoffel K. Short Stem: 5-Years Experience With The FitmoreTM Stem – A Prospective Multi-Centre Clinical Follow-Up Study. 18th EFORT Congress. Vienna, Austria. June 2017

2017 Lectures & abstracts

Todorov D, Zderic I, Stoffel K, Richards G, Lenz M, Enchev D, Gueorguiev B. Biomechanical Investigations of augmented vs conventional Liss Plating of distal femoral fractures. 23 Congress of the European Society of Biomechanics, Seville, Spain, June 2017

2017 Lectures & abstracts

D.Todorov, B.Gueorguiev, I.Zderic, K.Stoffel, R.G.Richards, M.Lenz, D.Enchev, A.Baltov, Biomechanical comparison of augmented locking plate fixation verus conventional locking plating, EORS, Munich, Germany, September 2017

2017 Lectures & abstracts

D.Todorov, B.Gueorguiev, I.Zderic, K.Stoffel, R.G.Richards, M.Lenz, D.Enchev, A.Baltov, Are there biomechanical benefits in augmentation of LISS plating compared to conventional LISS plating? Kuentscher Society, Osteosynthese International 2017, Munich, Germany, September 2017

2017 Lectures & abstracts

Stoffel K. Invited Lecture. New concepts in the treatment of femoral neck fractures. 5th US AOTK Symposium, Seattle, USA, September 2017

2017 Lectures & abstracts

Stoffel K. Invited Lecture. Periprosthetic femur fracture fixation: “Recon view”. 5th US AOTK Symposium, Seattle, USA, September 2017

2017 Lectures & abstracts

Stoffel K. Invited Lecture. The great hip debate: Femoral head size: Bigger is better? 5th Indonesian Hip and Knee Society annual Scientific Meeting, Jakarta, Indonesia, August 2017

2017 Lectures & abstracts

Stoffel K. Invited Lecture. An update on patella fracture fixation. 5th Indonesian Hip and Knee Society annual Scientific Meeting, Jakarta, Indonesia, August 2017

2017 Lectures & abstracts

Stoffel K. Invited Lecture. Reduction and Fixation Principles in Periprosthetic Femur Fractures. 5th Indonesian Hip and Knee Society annual Scientific Meeting, Jakarta, Indonesia, August 2017

2017 Lectures & abstracts

Stoffel K. Invited Lecture. Cement augmentation of the neck screw in proximal femur fractures: a case based lecture. 5th Indonesian Hip and Knee Society annual Scientific Meeting, Jakarta, Indonesia, August 2017

2017 Lectures & abstracts

Stoffel K. Invited Lecture. Evidence Based Management of Subtrochanteric Fractures. 5th Indonesian Hip and Knee Society annual Scientific Meeting, Jakarta, Indonesia, August 2017

2017 Lectures & abstracts

Stoffel K. Invited Lecture. Periprosthetic Fractures Around the Hip: Is the stem loose? 5th Indonesian Hip and Knee Society annual Scientific Meeting, Jakarta, Indonesia, August 2017

2017 Lectures & abstracts

Stoffel K. Invited Lecture. Why do cups fail? Challenges on the acetabular side. Congress Sociedad Espanola de Cirugia Ortopedica y Traumatologia (SECOT). Barcelona, Spain, September 2017

2017 Lectures & abstracts

Stoffel K. Invited Lecture. Stress shielding on the acetabular side – it is an issue? Congress Sociedad Espanola de Cirugia Ortopedica y Traumatologia (SECOT). Barcelona, Spain, September 2017

2017 Lectures & abstracts

Stoffel K. Invited Lecture. Unmet needs in periprosthetic fracture fixation. 12th European AOTK Expert’s Symposium, Mainz, November 2017

2017 Lectures & abstracts

Stoffel K. Invited Lecture. An algorithm how to treat neck of femur fractues: Existing and new concepts. 12th European AOTK Expert’s Symposium, Mainz, November 2017

2016 Peer-reviewed

Mark Lenz, Karl Stoffel, Heike Kielstein, Gunther O. Hofmann, Boyko Gueorguiev. Plate fixation in periprosthetic femur fractures Vancouver Type B1 – Trochanteric hook plate or subtrochanterical bicortical locking? Injury Dec 2016

2016 Peer-reviewed

Acklin YP, Jenni R, Bereiter H, Thalmann C, Stoffel K. Prospective clinical and radiostereometric analysis of the Fitmore short-stem total hip arthroplasty. Arch Orthop Trauma Surg. 2016 Jan 6. [Epub ahead of print]

2016 Peer-reviewed

Stoffel K, Sommer C, Kalampoki V, Sebald A, Joeris A. The influence of the operation technique and implant used in the treatment of periprosthetic hip and interprosthetic femur fractures: a systematic literature review of 1571 cases Arch Orthop Trauma Surg. 2016 Apr;136(4):553-61

2016 Peer-reviewed

Lee M, Stoffel K. Distal Femur VA-LCP Failures-Is There Really a Mechanical Problem? J Orthop Trauma. 2016 May;30(5):e186

2016 Peer-reviewed

Lenz M, Stoffel K, Kielstein H, Mayo K, Hofmann GO, Gueorguiev B.Plate fixation in periprosthetic femur fractures Vancouver type B1-Trochanteric hook plate or subtrochanterical bicortical locking? Injury. 2016 Sep; 30.1383(16)30624-6

2016 Peer-reviewed

Stoffel K. The ban of orthopaedic surgery: Prosthesis infection. Focus on Science. Move 80. 2016 Spring: 4-5

2016 Peer-reviewed

Siepen W, Zwicky L, Stoffel K, Ilchmann T, Clauss M.Prospective two-year subsidence analysis of 100 cemented polished straight stems - a short-term clinical and radiological observation. BMC Musculoskelet Disord. 2016 Sep 17;17(1):395. doi: 10.1186/s12891-016-1247-9

2016 Peer-reviewed

Stoffel K, Zderic I, Gras F, Sommer C, Eberli U, Mueller D, Oswald M, Gueorguiev B.Biomechanical evaluation of the Femoral Neck System in unstable Pauwels III femoral neck fractures: A comparison to the Dynamic Hip Screw and Cannulated Screws. J Orthop Trauma. 2016 Oct 13

2016 Peer-reviewed

Filipov O, Gueorguiev B, Stoffel K, Sommer C. Filipov's method of biplane double-supported screw fixation extremely reduces the risk of fixation failure in femoral neck fractures. Clinical outcomes in 207 patients. Injury. Oct 2016

2016 Lectures & abstracts

Stoffel K, Zderic I, Sommer C, Eberli U, Mueller D, Oswald M, Gueorguiev B. The new Femoral Neck System for femoral neck fracture fixation. Biomechanical performance versus diverse standard implants for osteosynthesis. 17th Congress of the European Society for Trauma and Emergency Surgery (ECTES), April, Vienna, 2016

2016 Lectures & abstracts

Stoffel K. Pathologische Frakturen bei Bisphophonaten. Invited Lecture, Kongress für Alterstraumatologie, Marburg, März, 2016

2016 Lectures & abstracts

Gueorguiev B, Filipov O, Stoffel K, Sommer C. Filipov's method of biplane double-supported screw fixation extremely reduces the risk of fixation failure in femoral neck fractures. Clinical outcomes in 207 patients. DGOU, Berlin, Oct. 2016

2016 Lectures & abstracts

Lenz M, Stoffel K, Kielstein H, Hofmann G, Gueorguiev B. Proximal plate fixation in periprosthetic femoral shaft fractures – trochanteric hook or bicortical embracement? A biomechanical study. DGOU, Berlin, Oct. 2016

2016 Lectures & abstracts

Filipov O, Stoffel K, Gueorguiev B, Sommer C. Filipov's method of biplane double-supported screw fixation extremely reduces the risk of fixation failure in femoral neck fractures. Clinical outcomes in 207 patients. 15th Biennial Conference of the ISFR (International Society of Fracture Repair), Munich, Germany, June 2016

2016 Lectures & abstracts

Lenz M, Stoffel K, Gueorguiev B, Kielstein H, Hofmann G. Biomechanical Potential Of Double Plating Versus Single Lateral Plating In Periprosthetic Femur Fractures. EFORT, Geneva, June, 2016

2016 Lectures & abstracts

Lenz M, Stoffel K, Kielstein H, Majo K, Hofmann G. Gueorguiev B. Longer Plate Or Bicortical Locking?-A Biomechanical Comparison Of Two Techniques For Periprosthetic Femur Fracture Fixation. EFORT, Geneva, June, 2016

2016 Lectures & abstracts

Siepen W, Hurni B, Clauss M, Stoffel K. Results and difficulties in the first 6 months of a newly founded comanaged orthogeriatric fracture unit. Alterstraumatologie Kongress, Marburg, March, 2016

2016 Lectures & abstracts

Stoffel K. Worst Case Sezenarios in Biphosphonate Fractures. Invited lecture. Alterstraumatologie Kongress, Marburg, March, 2016

2016 Lectures & abstracts

Lenz M, Stoffel K, Mayo K, Kielstein H, Hoffmann G, Gueorguiev B. Influence of Bone Mineral Density in fracture fixation of the greater trochanter. A biomechanical study. DGOU, Berlin, Oct. 2016

2016 Lectures & abstracts

Stoffel K. Epidemiology, risk factors, challenges, outlook and classification of periprosthetic hip fractures. Invited Lecture AOTrauma / AORecon Session—Periprosthetic fractures after THA. EFORT, Geneva, June, 2016

2016 Lectures & abstracts

Stoffel K, Zderic I, Sommer S, Eberli U, Mueller D, Oswald M, Gueorguiev B. The new Femoral Neck System for femoral neck fracture fixation. Biomechanical performance versus diverse standard implants for osteosynthesis. European Orthopaedic Research Society (EORS), Bologna, September, 2016

2016 Lectures & abstracts

Lenz M, Stoffel K, Mayo K, Kielstein H, Hoffmann G, Gueorguiev B. Fixation of periprosthetic fractures – trochanteric hook or subtrochanteric bicortical locking screws? ESB, Lyon, France, July 2016

2016 Lectures & abstracts

Lenz M, Stoffel K, Mayo K, Kielstein H, Hoffmann G, Gueorguiev B. The potential of plate fixation in the greater trochanter, 15th Biennial Conference of the ISFR (International Society of Fracture Repair), Munich, Germany, June, 2016

2016 Lectures & abstracts

Stoffel K. Bone preservation: how does biomechanics improve the function and outcome of prosthesis. Moderator of Symposium Invited Lecture AOTrauma / AORecon Session—Periprosthetic fractures after THA. EFORT, Geneva, June, 2016

2016 Lectures & abstracts

Stoffel K. Invited lecture: Short stems in total hip arthroplasty: Early experience with the Optimys stem. Wintherthur, Switzerland, June, 2016

2016 Lectures & abstracts

Stoffel K, Zderic I, Sommer S, Eberli U, Mueller D, Oswald M, Gueorguiev B. The new Femoral Neck System for femoral neck fracture fixation. Biomechanical performance versus diverse standard implants for osteosynthesis. European Orthopaedic Research Society (EORS), Bologna, September, 2016

2016 Lectures & abstracts

Stoffel K. Invited Lecture. Femoral head fractures: Fixation Strategies. Annual Congress of the Indian Trauma Association; Traumacon, Mumbai, August 2016

2016 Lectures & abstracts

Stoffel K. Invited Lecture. Development, rationale & future of Locking plates. Annual Congress of the Indian Trauma Association; Traumacon, Mumbai, August 2016

2016 Lectures & abstracts

Stoffel K. Invited Lecture. Periprosthetic and periimplant fractures around the knee. Annual Congress of the Indian Trauma Association; Traumacon, Mumbai, August 2016

2016 Lectures & abstracts

Stoffel K. Invited Lecture. Periprosthetic and periimplant fractures around the schoulder and elbow. Annual Congress of the Indian Trauma Association; Traumacon, Mumbai, August 2016

2016 Lectures & abstracts

Stoffel K. Invited Lecture. Cement augmentation using the new TFNA. Annual Congress of the Indian Trauma Association; Traumacon, Mumbai, August 2016

2016 Lectures & abstracts

Stoffel K. Invited Lecture. Evaluation and management of Pilon Fractures: Annual Congress of the Indian Trauma Association; Traumacon, Mumbai, August 2016

2016 Lectures & abstracts

Stoffel K. Invited Lecture. Atypical fractures: Fixation Strategies. Annual Congress of the Indian Trauma Association; Traumacon, Mumbai, August 2016

2016 Lectures & abstracts

Stoffel K. Invited Lecture. Complications of locking plates. Annual Congress of the Indian Trauma Association; Traumacon, Mumbai, August 2016

2016 Lectures & abstracts

Stoffel K. Invited Lecture. Biomechanical principles in fracture stabilization - When and how can I mix principles? Annual Congress of the Indian Trauma Association; Traumacon, Mumbai, August 2016

2016 Lectures & abstracts

Stoffel K. Invited Lecture. Joint preservation in hips. 39th Annual Meeting of the Singapore Orthopaedic Association, Singapore, October 2016

2016 Lectures & abstracts

Stoffel K. Invited Lecture. Duo Mobility in Revision Arthroplasty. 39th Annual Meeting of the Singapore Orthopaedic Association, Singapore, October 2016

2016 Lectures & abstracts

Stoffel K. Invited Lecture. Assessing the patient with peri-prosthetic fractures of the hip and knee: history, exam and imaging. 39th Annual Meeting of the Singapore Orthopaedic Association, Singapore, October 2016

2016 Lectures & abstracts

Stoffel K. Invited Lecture. Technique of osyeosynthesis in periprosthetic fractures of the hip and knee. 39th Annual Meeting of the Singapore Orthopaedic Association, Singapore, October 2016

2015 Peer-reviewed

Kojima K, Gueorguiev B, Sevá G, Stoffel K, Garcia de Oliveira R, Eberli U, Nicolino T, Lenz M. Biomechanical evaluation of interfragmentary compression at tibia plateau fractures using different fixation techniques. Accepted in Knee, published in Medicine 2015, Jan 94 (1): e 282

2015 Peer-reviewed

Shanmugam R, Ernst M, Stoffel K, Fischer MF, Wahl D, Richards RG, Gueorguiev B. Angular stable lateral plating is a valid alternative to conventional plate fixation in the proximal phalanx. A biomechanical study. Clinical Biomechanics, June 2015, 30 (5), 405-410

2015 Peer-reviewed

Sands A, White C, Zderic I, Dahl D, Windolf M, Richards RG, Stoffel K. Assessment of Ankle and Hindfoot Stability and Joint Pressures Using a Human Cadaveric Model of a Large Lateral Talar Process Excision. A biomechanical study. Accepted in Clinical Foot and Ankle, published in Medicine 2015, March, 94 (11): e606

2015 Peer-reviewed

Schneider K, Oh J-K, Zderic I, Stoffel K, Richards G, Gueorguiev B, Nork SE. What is the underlying mechanism for the failure mode observed in the Proximal Femoral Locking Compression Plate? A Biomechanical Study'. Injury, 2015 Aug;46(8):1483-90

2015 Peer-reviewed

Schaefer TK, Spross C, Stoffel K, Yates PJ. Biomechanical properties of a posterior fully threaded positioning screw for cannulated screw fixation of displaced neck of femur fractures. Injury. 2015 Jul 26 Epub ahead of print

2015 Peer-reviewed

Lenz M, Stoffel K, Gueorguiev B, Heike Kielstein, Hofmann G: Enhancing fixation strength in periprosthetic femur fractures by orthogonal plating - a biomechanical study. J Orthop Res. 2015 Oct 8

2015 Peer-reviewed

Kojima K, Gueorguiev B, Seva G, Stoffel K, de Oliveira RG, Eberli U, Nicolino T, Lenz M: Biomechanical evaluation of interfragmentary compression at tibia plateau fractures in vitro using different fixation techniques: a CONSORT-compliant article. Medicine (Baltimore). 2015 Jan;94(1):e282

2015 Lectures & abstracts

Sands A, White C, Blankstein M, Zderic I, Ernst M, Windolf M, Richards RG, Stoffel K, Gueorguiev B. Assessment Of Ankle And Hindfoot Stability And Joint Pressures Using A Human Cadaveric Model Of A Large Lateral Talar Process Excision. A Biomechanical Study. 16th EFORT Congress. Prague, Tschekoslowakei, May 2015

2015 Lectures & abstracts

Stoffel K, Sommer C, Kalampoki V, Sebald A, Joeris A. Improved outcomes after the treatment of periprosthetic hip and interprosthetic femur fractures with minimal invasive techniques and recent implants?—a systematic literature review of 1571 cases. 16th European Congress of Trauma and Emergency Surgery. Amsterdam, Holland, May 2015

2015 Lectures & abstracts

Stoffel K. Periprosthetic fractures around shoulder and elbow prosthesis. Invited lecture at AO Trauma Europe Master Course – Periprosthetic Fractures. Barcelona, Spain, 6-7.March 2015

2015 Lectures & abstracts

Stoffel K, Zderic I, Sommer C, Eberli U, Mueller D, Oswald M, Gueorguiev B. Biomechanical evaluation of femoral neck fracture fixation with the new femoral neck system compared to diverse standard implants for osteosynthesis. 21st Congress of the European Society of Biomechanics, Prague, Tschekoslowakei, July 5 - 8 2015

2015 Lectures & abstracts

Rieger B, Bolliger L, Stoffel K, Ilchmann T, Clauss M. Mid-Term Results Of A Modular Cementless Revision Stem (Revitan). 16th EFORT Congress. Prague, Tschekoslowakei, May 2015

2015 Lectures & abstracts

Siepen W, Zwicky L, Stoffel K, Ilchmann T, Clauss M. Prospective Two-Year Subsidence Analysis of 100 Cemented Polished Straight. Stems16th EFORT Congress. Prague, Tschekoslowakei, May 2015

2015 Lectures & abstracts

Lenz M, Stoffel K, Kielstein H, Hofmann G, Gueorguiev B. Potenzial der Plattenverankerung im großen Trochanter bei periprothetischen Femurfrakturen Vancouver Typ B1. Deutscher Kongress für Orthopädie und Unfallchirurgie. Berlin , Deutschland, Oktober 2015

2015 Lectures & abstracts

Lenz M, Stoffel K, Kielstein H, Hofmann G, Gueorguiev B. Anterolaterale Doppelplatte oder verriegelbarer Plattenaufsatz bei periprosthetischen Femurfrakturen Typ Vancouver B1? – Eine biomechanische Studie. Deutscher Kongress für Orthopädie und Unfallchirurgie. Berlin , Deutschland, Oktober 2015

2015 Lectures & abstracts

Stoffel K, Zderic I, Sommer C, Eberli U, Mueller D, Oswald M, Gueorguiev B. Biomechanische Beurteilung der Fixation von Schenkelhalsfrakturen mit dem neuen Femoral Neck System im Vergleich zu Drei Durchbohrten Schrauben, DHS-Klinge und DHS mit Antirotationsschraube. Deutscher Kongress für Orthopädie und Unfallchirurgie. Berlin, Deutschland, 20. – 23. Oktober 2015

2015 Lectures & abstracts

Stoffel K, Zderic I, Sommer C, Eberli U, Mueller D, Oswald M, Gueorguiev B. The new Femoral Neck System for femoral neck fracture fixation. Biomechanical performance in comparison to diverse standard implants for osteosynthesis. SICOT Orthopaedic World Congress, Guangshou, China, 17-19 September 2015

2015 Lectures & abstracts

Stoffel K, Zderic I, Sommer C, Eberli U, Mueller D, Oswald M, Gueorguiev B. Biomechanical evaluation of femoral neck fracture fixation with the new Femoral Neck System compared to diverse standard implants for osteosynthesis. Annual congress of European Society of Biomechanics, Prague, Tschekoslowakei, 5-8 July 2015

2015 Lectures & abstracts

Stoffel K. ORIF of Periprosthetic proximal Femur fractures: Whats new ? Tipps and Tricks. Invited lecture. 16th European Congress of Trauma and Emergency Surgery, Amsterdam, Holland, 10-12 May 2015

2015 Lectures & abstracts

Stoffel K. Indirekte Repositionshilfe bei subtrochantären Femurfrakturen zur Marknagelosteosynthese. AO Frühjahrstagung 2015, Fischingen, Schweiz 8.Mai

2015 Lectures & abstracts

Thalmann C, Bereiter H, Stoffel K. 5 Year Follow Up in Using The Fitmore Stem©: General Results And Further Development And Clinical Implications Of Distal Femoral Cortical Hypertrophy. Swiss Orthopaedic Society. Annual Meeting, Basel, June , 2015

2015 Lectures & abstracts

Rieger B, Bolliger L, Stoffel K, Ilchmann Th, Clauss M. Mid-Term Results Of A Modular Cementless Revision Stem (Revitan) . Swiss Orthopaedic Society. Annual Meeting, Basel, June , 2015

2015 Lectures & abstracts

Siepen W, Zwicky L, Stoffel K, Ilchmann Th, Clauss M. Prospective two-year subsidence analysis of 100 cemented polished straight stems. Swiss Orthopaedic Society. Annual Meeting, Basel, June , 2015

2015 Lectures & abstracts

Hutter R, Zdravkovic V, Bereiter H, Grehn H, Stoffel K. Impact of operation technique in total knee arthroplasty: Gap balancing (tibia first) versus measured resection technique (femur first) . Swiss Orthopaedic Society. Annual Meeting, Basel, June , 2015

2015 Lectures & abstracts

Stoffel K. Periprosthetic fractures around the hip. Invited Lecture, Vereniging voor Orthopedisch Chirurgisch Assistenten, Amsterdam, November, 2015

2014 Peer-reviewed

Giesinger K, Ebneter L, Day R, Yates P, Stoffel K, Kuster MS. Can plate osteosynthesis of periprosthethic femoral fractures cause early cement mantle failure around a stable hip stem? A biomechanical analysis. J of Arthroplasty 2014 June 29 (6): 1308-1312

2014 Peer-reviewed

Michelitsch C, Acklin YP, Stoffel K, Bereiter H. Chronic ankle joint instability in unrecognized distal rupture of the syndesmosis and malunion of the distal fibula. Orthopaede 2014 April 43(4): 379-85

2014 Lectures & abstracts

Stoffel K. Arthroplasty versus internal fixation for periprosthetic fractures around the hip. 2nd AOTrauma Asia Pacific Scientific. Seoul Korea May 2014

2014 Lectures & abstracts

Stoffel K. How to handle complex proximal humerus fractures: Tipps and Tricks. Indonesian Trauma Meeting; Management on upper extremity Trauma. Malang February 2014

2014 Lectures & abstracts

Oh JK, Schneider K, Zderic I, Stoffel K, Nork S, Gueorguiev B. What is the underlying mechanism for the failure mode observed in the Proximal Femoral Locking Compression Plate? A Biomechanical Study. 2nd AOTrauma Asia Pacific Scientific Congress. Seoul Korea May 2014

2014 Lectures & abstracts

Jenni R, Acklin YP, Bereiter H, Stoffel K. Prospective clinical and radiostereometric (RSA) results of 24 Fitmore Hip Stems after 2 years follow up. Swiss Orthopaedic Society. Annual Meeting, St.Gallen, June, 2014

2014 Lectures & abstracts

Papineau JL, Stoffel K, Bauer S, Hayes A, Day R, Kuster M. Biomechanical Assessment of the combination of rigid and dynamic fracture fixation for the same fracture location. Annual Scientific Meeting of the Western Australian Orthopaedic Association, Bunker Bay, Sept 2014

2014 Lectures & abstracts

Gueorguiev B, Camino G, Zderic I, Richards G, Sancineto C., Stoffel K, Barla J, Windolf M. Kann eine Angulation der distalen Schrauben ein Ausreißen der Platte bei Versorgung mittels dynamischer Hüftschraube (DHS) verhindern? Eine biomechanische Studie. Deutscher Kongress für Orthopädie und Unfallchirurgie. Berlin, Oktober 2014

2014 Lectures & abstracts

Stoffel K. Acetabular stress shielding in total hip arthroplasty. 1st International Hip community Convention 2014, Lucern, Oct, 2014

2014 Lectures & abstracts

Stoffel K. The history of isoelasticity and RM technology in total hip arthroplasty. 1st International Hip community Convention 2014, Lucern, Oct, 2014

2014 Lectures & abstracts

Bauer S, Kuster M Stoffel K. Is the combination of rigid and dynamic fracture fixation a contraindication? A biomechanical study. 74th Annual Scientific Meeting of the AOA, Melbourne, Oct 2014

2013 Book chapters

Stoffel K, Sommer Ch. AO Management of Fracture Management: Periprosthetic fractures; Chapter 5.1 Conventional plate fixation and locking plate fixation. Springerverlag, ISBN 978313, 2013

2013 Peer-reviewed

Acklin YP, Stoffel K, Sommer C. A prospective analysis of the functional and radiological outcome of minimal invasive plating in proximal humerus fractures. Injury. 2013 Apr;44(4):456-60

2013 Peer-reviewed

Stoffel K, Nivbrant B, Headford J, Nicholls, RL, Yates P. Does a bipolar hemiprosthesis offer advantages for elderly patients with Neck of Femur Fracture? A clinical trial with 259 patients. ANZ J Surg. 2013 NZ J Surg. 2013 Apr;83(4):249-54

2013 Peer-reviewed

Erhardt J, Khoo P, Stoffel K, Yates P. Periprosthetic fractures around polished collarless cemented stems: the effect of stem desing on fracture pattern. Hip Int. 2013 Oct 28;23(5):459-64

2013 Lectures & abstracts

Stoffel K. Biphosphonate fractures. Annual Meeting Australian Orthopaedics Association, Trauma COE. Invited lecture, Melbourne May 2013

2013 Lectures & abstracts

Stoffel K. Salvage procedure of failed DHS. Annual Meeting Australian Orthopaedics Association, Trauma COE. Invited lecture, Melbourne May 2013

2012 Peer-reviewed

Erhardt JB, Stoffel K, Kampshoff J, Badur N, Yates P, Kuster MS. The Position and Number of Screws Influence Screw Perforation of the Humeral Head in Modern Locking Plates: A Cadaver Study. J Orthop Trauma 2012 Oct, 26(10): e188-92

2012 Lectures & abstracts

Michelitsch C, Müller TS, Stoffel K, Sommer C. Locking compression plate fixation for supracondylar periprosthetic fracture of the distal femur after total knee arthroplasty. European Congress for Trauma and Emergency Surgery, Basel, May 2012

2012 Lectures & abstracts

Thalmann C, Bereiter H, Stoffel K. Distal Femoral Cortical Hypertrophy Using The Fitmore Stem©: A Two Year Follow Up Regarding Incidence, Development And Clinical Implications. Swiss Orthopaedic Society. Annual Meeting, Basel, June , 2012

2012 Lectures & abstracts

Kampshoff J, Stoffel K, Yates P, Kuster M. Periprosthetic fractures – which screw can be used in the cement. J Bone Joint Surg, Vol. 94-B no. Supp XXIII 220, 2012

2011 Peer-reviewed

Wolski M, Stachowiak GW, Dempsey AR, Mills PM, Cicuttini FM, Wang Y, Stoffel K, Lloyd DG, Podsiadlo P. Trabecular bone texture detected by plain radiography and variance orientation transform method is different between knees with and without cartilage defects. J Orthop Res.2011 Aug;29(8):1161-7

2011 Peer-reviewed

Taylor PR, Day RE, Nicholls RL, Rasmussen J, Yates PJ, Stoffel K. The comminuted midshaft clavicle fracture: A biomechanical evaluation of plating methods. Clin Biomech (Bristol, Avon). 2011 Jun;26(5):491-6

2011 Peer-reviewed

Schwieger K, Gueorguiev B. Lawson-Smith M, Windolf M, Stoffel K. Angular stability potentially permits fewer locking screws compared to conventional locking in intramedullary nailed distal tibia fractures. A biomechanical study. J Orthop Trauma. 2011 Jun;25(6):340-6

2011 Lectures & abstracts

Thalmann C, Stoelzle T, Stoffel K. Distal femoral cortical hypertophy of the Fitmore cementless tapered stem within the first year: Incidence, risk factor analysis and clinical implication. Swiss Orthopaedic Society. Annual Meeting, Lausanne, June, 2011

2011 Lectures & abstracts

Buehler G, Grehn H, Stoffel K. Pertrochanteric femur fracture after Durom® Resurfacing Hip Arthroplasty - Our Solution. Swiss Orthopaedic Society. Annual Meeting, Lausanne, June, 2011

2011 Lectures & abstracts

Gonzales A, Grehn H, Stoffel K. Uncommon complication: The long way of a Spina scapulae fracture during mini open rotator cuff repair – A case report. Swiss Orthopaedic Society. Annual Meeting, Lausanne, June, 2011

2011 Lectures & abstracts

Thalmann C, Meier G, Bereiter H, Stoffel K. Tibial bone cyst after total knee arthroplasty with screw fixation of the tibial component. Swiss Orthopaedic Society. Annual Meeting, Lausanne, June, 2011

2011 Lectures & abstracts

Attinger M, Buergi M, Bereiter H, Stoffel K. Early clinical and radiological outcome of total hip replacement with the short uncemented Fitmore stem. Swiss Orthopaedic Society. Annual Meeting, Lausanne, June, 2011

2011 Lectures & abstracts

Attinger M, Molnar L, Bereiter H, Stoffel K. Rupture of the popliteal artery complicating medial opening wedge high tibial osteotomy. Swiss Orthopaedic Society. Annual Meeting, Lausanne, June, 2011

2011 Lectures & abstracts

Erhardt J, Khoo P, Yates P, Stoffel K. Periprosthetic fractures around polished collarless cemented stems: triple – versus double tapers. Swiss Orthopaedic Society. Annual Meeting, Lausanne, June, 2011

2011 Lectures & abstracts

Hutter R, Stoffel K. Atypical low-energy subtrochanteric femoral fractures in patients on Bisphosphonates therapy: A report of two cases and review of the literature. Swiss Orthopaedic Society. Annual Meeting, Lausanne, June, 2011

2011 Lectures & abstracts

Acklin, Y.P, Stoffel K, Sommer C. Clinical outcome after minimal invasive plate osteosynthesis for proximal humerus fractures. Swiss Society for Surgery. Annual Meeting, Geneva, May, 2011

2011 Lectures & abstracts

Acklin, Y.P, Stoffel K, Sommer C. Clinical outcome after minimal invasive plate osteosynthesis for proximal humerus fractures. European Society for Trauma and Emergency Surgery. Annual Meeting, Milano, April, 2011

2011 Lectures & abstracts

Stoffel K. Periprosthetic fractures around the hip. Annual Meeding Indian Orthopaedic Association MOACON, Invited lecture, Kuolhapur, Nov 2011

2010 Peer-reviewed

Kampshoff J, Stoffel K, Yates PJ, Erhardt JB, Kuster MS. The treatment of periprosthetic fractures with locking plates: effect of drill and screw type on cement mantles: a biomechanical analysis. Arch Orthop Trauma Surg. 2010 May; 130(5): 627-32

2010 Peer-reviewed

Stoffel K, Nicholls R, Winata A, Dempsey A, Boyle J, Lloyd D. The effect of ankle taping on knee and ankle joint biomechanics in sporting tasks. Medicine and Science in Sport and Exercise, 2010 November,42(11): 2089-2097

2010 Lectures & abstracts

Stoffel K, Nicholls R, Gunnar F, Yates P. Patella relocation technique affects intraosseous blood flow during total knee arthroplasty. 10th EFFORT Congress, Barcelona, June, Spain 2010

2010 Lectures & abstracts

Stoffel K, Nicholls R, Winata A, Dempsey A, Boyle J, Lloyd D. The effect of ankle taping on loading at the ankle and proximal joints. Medicine and Science in Sport and Exercise. 10th EFFORT Congress, Barcelona, June, Spain 2010

2010 Lectures & abstracts

Buergi M, Stoffel K, Bereiter H. Bipolar Head Prostheses of the Hip in Young Patients – Long-term Results. 10th EFFORT Congress, Barcelona, June, Spain 2010

2010 Lectures & abstracts

Giesinger K, Yates P, Stoffel K, Ebneter L, Day R, Kuster MS. ‚Can plate osteosynthesis of stable femoral periprosthethic fractures cause early cement mantle failure around the hip stem? A biomechanical evaluation. Swiss Orthopaedic Society. Annual Meeting, St.Gallen July , 2010

2010 Lectures & abstracts

Attinger M, Bereiter H, Stoffel K. Early clinical and radiological outcome of total hip replacement with the short uncemented Fitmore stem. Swiss Orthopaedic Society. Annual Meeting, St.Gallen July , 2010

2010 Lectures & abstracts

Stoffel K. Osteoporotic fractures: A serious problem of the future or a problem with a future? Swiss Orthopaedic Society. Annual Meeting, Invited Lecture, St.Gallen July , 2010

2010 Lectures & abstracts

Buergi M, Stillhard P, Stoffel K. Grade III AC-joint injuries – is operative treatment still justifiable? 10th EFFORT Congress, Barcelona, June, Spain 2010

2010 Lectures & abstracts

Stoffel K. Biomechanical rules in plate osteosynthesis. AOT Symposium 10th EFFORT Congress, Barcelona, June, Spain 2010

2009 Peer-reviewed

Erhardt JB, Roderer G, Grob K, Forster TN, Stoffel K, Kuster MS. Early results in the treatment of proximal humeral fractures with a polyaxial locking plate. Arch Orthop Trauma Surg. 2009 Oct;129(10):1367-74. Epub 2009 Jun 27

2009 Peer-reviewed

Stoffel K, Wysocki D, Baddour E, Nicholls R, Yates P. Comparison of two intraoperative assessment methods for injuries to the ankle syndesmosis. JBJS (Am) 2009 Nov, 91(11): 2646-52

2009 Peer-reviewed

Taylor P, Dunlop Ch, Stoffel K, Yates P. Removal of acetabular component in hip resurfacing. Journal of Arthroplasty. J Arthroplasty. 2009 Apr,24(3):484-6

2009 Lectures & abstracts

Wysocki D, Stoffel K, Baddour E, Yates P. Reliability of the Intra-operative Assessment of Injuries of the Ankle Syndesmosis - A Cadaver Study. American Academy of Orthopaedic Surgeons (AAOS) 2009 Annual Meeting. Las Vegas, Nevada, February, 2009

2009 Lectures & abstracts

Stoffel K, Flivik G, Nicholls G, Yates P. Intraosseous Blood Flow of the Everted or Laterally - Retracted Patella During Total Knee Arthroplasty. American Academy of Orthopaedic Surgeons (AAOS) 2009 Annual Meeting. Las Vegas, Nevada, February, 2009

2009 Lectures & abstracts

Stoffel K. Current concepts of pilon fracture treatment. Invited lecture. Swiss Orthopaedic Society. Annual Meeting, Geneva, June, 2009

2009 Lectures & abstracts

Stoffel K, Lim TS, Billik B, Yates P. Dynamic hip screw (DHS) fixation of extracapsular proximal femur fractures – predictive factors of failure in a series of 567 cases. Swiss Orthopaedic Society. Annual Meeting, Geneva, June, 2009

2009 Lectures & abstracts

Stoffel K, Lorenz KU, Kuster MS. Biomechanical considerations in plate osteosynthesis: the effect of plate-to-bone compression with and without angular screw stability. Swiss Orthopaedic Society. Annual Meeting, Geneva, June, 2009

2009 Lectures & abstracts

Kampshof J, Stoffel K. Periprosthetic fractures – which screw can be used in cement. Australian Orthopaedic Association (AOA) 2009. Annual Meeting, Cairns, Queensland, October, 2009

2009 Lectures & abstracts

Stoffel K. Alpinism and Osteoarthritis. Invited Lecture. Society of Swiss Traumatology and Sports medicine (GOTS). Annual Meeting, Engelberg, July, 2009

2009 Lectures & abstracts

Stoffel K. What should I know about biomechanics. Invited Lecture. AO Course Davos, Dec 2009

2009 Lectures & abstracts

Stoffel K. A new classification for periprosthetic fractures around the femur. Invited Lecture. Jubilee Meeting 30 Years Orthopaedics Münsterlingen, Switzerland, Nov 2009

2008 Teaching material & videos

Stoffel K. Ueberarbeitung des Studentenmanuskriptes: „Die Untersuchung des Bewegungsapparates“. Universität Basel 2008

2008 Peer-reviewed

Lam L, Stoffel K, Kop A, Swarts E. Catastrophic failure of four cobalt-alloy Omnifit hip arthroplasty femoral . Acta Orthop. 2008 Feb;79(1):18-21

2008 Peer-reviewed

Stoffel K, Leys T, Damen N, Nicholls R.L. A new technique for cement augmentation of the sliding hip screw in proximal femur fractures. Clin Biomech (Bristol, Avon). 2008 Jan;23(1):45-51

2008 Peer-reviewed

Stoffel K, Cunnen S, Morgan R, Stachowiak G. Comparative stability of perpendicular versus parallel double-locking plating systems in osteoporotic comminuted distal humerus fractures. J Orthop Res. 2008 Jun;26(6):778-84

2008 Peer-reviewed

Yao G, Qian Y, Chen J, Fan Y, Stoffel K, Yao F, Xu J, Zheng MH. Evaluation of insoluble bone gelatin as a carrier for enhancement of osteogenic protein-1-induced intertransverse process lumbar fusion in a rabbit model.. Spine (Phila Pa 1976). 2008 Aug 15;33(18):1935-42

2008 Peer-reviewed

Mills P, Wang Y, Cicuttini F, Stoffel K, Podsiadlo P, Stachowiak G, Lloyd D. Tibio-femoral cartilage defects three to five years following arthroscopic partial medial meniscectomy. Osteoarthritis Cartilage. 2008 May 30

2008 Lectures & abstracts

Nicholls R, Winata A, Dempsey A, Lloyd D, Kirk B, Stoffel K. Does the use of ankle tape affect loading in the lower limb? Annual Meeting of the Australian Association for Exercise and Sport Science, Melbourne 27-30 March, 2008

2008 Lectures & abstracts

Stoffel K, Leys T, Damen N, Rochelle N, Kuster M. A new technique for cement augmentation of the sliding hip screw in proximal femur fractures. 9th EFFORT Congress, Nice 28-30 May, France, 2008

2008 Lectures & abstracts

Stoffel K, Shan Lim T, Billik B, Yates, P. Dynamic hip screw (DHS) Fixation of extracapsular proximal femur fractures - predictive factors of failure in a series of 567 cases. 9th EFFORT Congress, Nice 28-30 May, France, 2008

2008 Lectures & abstracts

Stoffel K, Lorenz KU, Kuster M. Biomechanical considerations in plate osteosynthesis: the effect of plate to bone compression with and / or without angular stability in shaft and distal intraarticular femur fractures. 9th EFFORT Congress, Nice 28-30 May, France, 2008

2008 Lectures & abstracts

Taylor P, Stoffel K, Rasmussen J. A computational Model of Clavicle Fracture Fixation. 16th Annual Symposium of Computational Methods in Orthopaedic Biomechanics, San Francisco, March, 2008

2008 Lectures & abstracts

Stoffel Karl. Biomechanics of Locking Plates. AO Meeting: Between Nostalgia and Future. 50 Years AO, Biel, Switzerland, November, 2008

2008 Lectures & abstracts

Stoffel K. The diabetic foot: conservative and operative treatment options from an orthopaedic point of view. Symposium, Chur, 3 Dec, 2008

2008 Lectures & abstracts

Eriksson B et al., Contributing investigator. Rivaroxaban vs Enoxaparin for Thromboprophylaxis after hip arthroplasty. Eriksson B, et al NEJM 2008; 358 (26): 2765-76

2008 Lectures & abstracts

Schwieger K, Gueorguiev B, Lawson-Smith M, Windolf M, Stoffel K. Biomechanisches Potential winkelstabiler Marknagelverriegelung bei distalen Tibiafrakturen. 72. Deutscher Kongress für Orthopädie und Unfallchirurgie; 22-25 Okt, Berlin, 2008

2007 Theses

PhD Thesis: Modern Concepts in Plate Osteosynthesis. 2007, University of Western Australia, Australia

2007 Book chapters

Stoffel K, Kuster M. Die prothetische Versorgung des Kniegelenkes. In: R.P Meyer: Kniechirurgie in der Praxis. Springerverlag, 2007

2007 Peer-reviewed

Stoffel K, Booth G, Rorhl S, Kuster M. Comparison of conventional versus locking plates in intraarticular calcaneus fractures: A biomechanical study in human cadavers. Clin Biomech (Bristol, Avon). 2007 Jan;22(1):100-105

2007 Peer-reviewed

Kessler M, Stoffel K, Oswald A, Stutz G, Gächter A. The SLAP-Lesion as a Reason for Glenolabral Cysts. - A Report of Five Cases and Review of the Literature. Arch Orthop Trauma Surg. 2007 May;127(4):287-92

2007 Peer-reviewed

Stoffel K, Engler H, Kuster M, Riesen W. Changes in biomechanical markers after lower limb fractures. Clin Chem. 2007 Jan; 53(1):131-4

2007 Peer-reviewed

Stoffel K, Willers C, Korshid O, Kuster M. Patellofemoral contact pressure following high tibial osteotomy: A cadaveric study. Knee Surg Sports Traumatol Arthrosc. 2007 Sep;15(9):1094-100

2007 Peer-reviewed

Stoffel K, Lim G, Beesoondoyal R. Varus deformity of the ankle in a pre-adolescent patient following an ankle fracture. Correction by using the Tibia Opening Wedge Osteotomy Plate (Puddu Plate). Foot and Ankle Surgery. 2007 Sept; 13(3): 157-160

2007 Peer-reviewed

Stoffel K, Lorenz KU, Kuster M. Biomechanical considerations in plate osteosynthesis: the effect of plate to bone compression with and / or without angular stability in shaft and distal intraarticular femur fractures. Journal of Orthop Trauma 2007 Jul;21(6):362-368

2007 Peer-reviewed

Stoffel K, Flivik G, Yates P, Nicholls R. Intraosseous blood flow of the subluxed or everted patella during total knee arthrhoplasty. Knee. 2007, 14/6: 434-438

2007 Peer-reviewed

Jarrett P, Stoffel K, Kinzel V. A biomechanical comparison of scaphoid fixation with bone grafting using iliac bone or distal radial bone. J Hand Surg (Am). 2007, Nov; 32 (9): 1367-1373

2007 Lectures & abstracts

Jarrett P, Kinzel V, Stoffel K. A Biomechanical Comparison in Human Cadavers between Scaphoid Fracture Fixation and Grafting with Iliacal Bone versus Distal Radial Bone. 10t Triennial Congress of the International Federation of Societies for Surgery of the Hand, Sydney, March 2007

2007 Lectures & abstracts

Stoffel K. First clinical results with the PFN A. Synthes Annual Sales Conference, Launceston, Tasmania. January 2007

2007 Lectures & abstracts

Stoffel K. Key-point to understand the Locking Plates. Synthes Annual Sales Conference, Launceston, Tasmania. January 2007

2007 Lectures & abstracts

Stoffel K. Concept of Mechano-Biology in Fracture Management. Invited Lecture at Silver Jubilee Annual Conference of Gujarat Orthopaedic Association, Goacon, India. February, 2007

2007 Lectures & abstracts

Stoffel K. How to use Locking Plates. Invited Lecture at the Striker Annual Trauma Meeting, Perth, March, 2007

2007 Lectures & abstracts

Lim T, Stoffel K, Bilik B, Yates P. Sliding Hip Screw Fixation of Extracapsular Fractures of the Proximal Fracture: An Analysis of the Predictive Factors of Failure. 37th Annual General Meeting of the Malaysian Orthopaedic Association & 14th International Musculosceletal Laser Society (IMAS) Congress, Awana Porto Malai, Langkawi, Kedah, Malaysia, May 2007

2007 Lectures & abstracts

Stoffel K, Yates P. Periprosthetic Fracture fixation around TKA using a polyaxial locking plate. 5th Annual Meeting Asia pacific Orthopaedic Association (APOS), Bangkok, June 2007

2007 Lectures & abstracts

Yates P, Stoffel K. Arthroplasty for subcapital neck of femur fractures. 5th Annual Meeting Asia pacific Orthopaedic Association (APOS), Bangkok, June 2007

2007 Lectures & abstracts

Friedrich L, Page R, Yates P, Stoffel K. The use of a Visual Hand Chart to aid in the description of acute hand injuries. Annual Scientific Service Registrar Meeting, CTEC, Perth, April, 2007

2007 Lectures & abstracts

Khoo P, Stoffel K, Yates P. Characteristics of periprosthetic fractures around polished collarless cemented stems with triple vs. double tapers. Annual National Scientific Meeting AOA, Gold Coast, October, 2007

2007 Lectures & abstracts

Stoffel K, Flivik G, Yates P, Nicholls R. Intraosseous blood flow of the subluxed or everted patella during total knee arthroplasty. Annual National Scientific Meeting AOA, Gold Coast, October, 2007

2007 Lectures & abstracts

Aldrige O, Marshall A, Taylor P, Stoffel K. An audit of a clinical pathway guiding management of patients with proximal femur fractures. Annual National Scientific Meeting AOA, Gold Coast, October, 2007

2007 Lectures & abstracts

Wysocki D, Yates P, Stoffel K. Reliability of the intra-operative assessment of injuries of the ankle syndesmosis: A cadaveric study. Annual National Scientific Meeting AOA, Gold Coast, October, 2007

2007 Lectures & abstracts

Stoffel K, Wysocki D, Yates P. Reliability of the intra-operative assessment of injuries of the ankle syndesmosis: A cadaveric study. Combined Australian & New Zealand Orthopaedic Foot & Ankle Society Conference, Cairns, August, 2007

2007 Lectures & abstracts

Angus K, Stoffel K, Yates P. Early Clinical and Radiographic Results of the Proximal Femoral Nail A (PFNA). Annual State Scientific Meeting AOA, Bunker Bay, August, 2007

2007 Lectures & abstracts

Baddour E, Stoffel K, Day R. How can we reduce implant stress in bridging plate osteosynthesis? Annual State Scientific Meeting AOA, Bunker Bay, August, 2007

2007 Lectures & abstracts

Khoo P, Stoffel K, Yates P. Characteristics of Periprosthetic Fractures Around Polished Collarless Cemented Stems with Triple Versus Double Tapers. Annual State Scientific Meeting AOA, Bunker Bay, August, 2007

2007 Lectures & abstracts

Lawson-Smith M, Schweiger K, Gueorguiey B, Stoffel K. Investigation of a new locking bolt in the expert tibial nail. Annual State Scientific Meeting AOA, Bunker Bay, August, 2007

2006 Peer-reviewed

Murray B, Stoffel K, Jarrett P, Kuster M. Volar vs dorsal locking plates in dorsally comminuted distal radius fractures: a biomechanical study. J Hand Surg [Am]. 2006 Dec;31(10):1587-93

2006 Lectures & abstracts

Lim T, Billik B, Stoffel K. Sliding Hip Screw Fixation of fractures of the proximal femur: An analysis of the predictive factors of failure. Annual Scientific State Meeting AOA, Perth, March, 2006

2006 Lectures & abstracts

Cunnen S, Stoffel K, Kuster M. Biomechanical comparison of double-plate fixation in 90 º vs. 180 º for 2 different periarticular locking systems for distal humeral fractures in human cadavers. Annual Scientific State Meeting AOA, Perth, March, 2006

2006 Lectures & abstracts

Murray B, Stoffel K, Jarrett P, Kuster M. Volar vs dorsal locking plates in dorsally comminuted distal radius fractures: a biomechanical study. Annual Scientific State Meeting AOA, Perth, March, 2006

2006 Lectures & abstracts

Kinzel V, Jarrett P, Stoffel K. A Biomechanical Comparison of Scaphoid Fixation Grafting with Iliac Bone or Distal Radial Bone Grafts. Annual Scientific State Meeting AOA, Perth, August, 2006

2006 Lectures & abstracts

Jarrett P, Kinzel V, Stoffel K. Scaphoid Morphology – An Analysis of 28 Cadaver Scaphoids. Federation of European Societies for Surgery of the Hand ASM, Glasgow, June 2006

2006 Lectures & abstracts

Stoffel K. Trauma Update Meeting - New Design of Locking Plate – Trauma MIS Approaches. Invited Lecture from the Taiwan Orthopaedic Association, March 2006

2006 Lectures & abstracts

Stoffel K, Lim T, Billik B. An analysis of the predictive factors of failure of the Sliding Hip Screw Fixation of fractures of the proximal femur. MOA-APOA Trauma Section combined Meeting, Kuala Lumpur, June, 2006

2006 Lectures & abstracts

Booth G, Stoffel K, Kuster M. A comparison of conventional versus locking plates in intraarticular calcaneus fractures: a biomechanical study in human cadavers. Annual Scientific State Meeting AOA, Perth, August, 2006

2006 Lectures & abstracts

Leys T, Stoffel K. Cement augmentation of hip screws. Annual Scientific State Meeting AOA, Perth, August, 2006

2006 Lectures & abstracts

Li-on L, Alan Kop, Stoffel K. Neck fracture of 4 Cobalt Alloy Hip Arthroplasty Femoral Components. Annual Scientific State Meeting AOA, Perth, August, 2006

2006 Lectures & abstracts

Jarrett P, Kinzel V, Stoffel K. Scaphoid bone density assessment – A Comparison of two measurement techniques. Annual Combined National Scientific Meeting AOA, Canberra, October, 2006

2006 Lectures & abstracts

Lim T, Stoffel K. Sliding Hip Screw Fixation of fractures of the proximal femur: An analysis of the predictive factors of failure. Annual Combined National Scientific Meeting AOA, Canberra, October, 2006

2006 Lectures & abstracts

Cunnen S, Stoffel K, Kuster M. Biomechanical comparison of double-plate fixation in 90 º vs. 180 º for 2 different periarticular locking systems for distal humeral fractures in human cadavers. Annual Combined National Scientific Meeting AOA, Canberra, October, 2006

2006 Lectures & abstracts

Murray B, Stoffel K, Jarrett P, Kuster M. Volar vs dorsal locking plates in dorsally comminuted distal radius fractures: a biomechanical study. Annual Combined National Scientific Meeting AOA, Canberra, October, 2006

2006 Lectures & abstracts

Kinzel V, Jarrett P, Stoffel K. A Biomechanical Comparison of Scaphoid Fixation Grafting with Iliac Bone or Distal Radial Bone Grafts. Annual Combined National Scientific Meeting AOA, Canberra, October, 2006

2006 Lectures & abstracts

Ioppolo J, Stoffel K, Roehrl S, Nivbrand J. Tibiofibular kinematics following ankle fracture fixation using RSA and single plane fluroscopy. Annual Combined National Scientific Meeting AOA, Canberra, October, 2006

2006 Lectures & abstracts

Stoffel K, Kuster M. Biomechanical considerations in plate osteosynthesis: the effect of plate to bone compession with and without angular stability of the screws. Annual Combined National Scientific Meeting AOA, Canberra, October, 2006

2006 Lectures & abstracts

Li-on L, Stoffel K, Mohindra R, Dayle R. Fatigue failure of a Cobalt-Alloy femoral taper. A report of four cases. Annual Combined National Scientific Meeting AOA, Canberra, October, 2006

2006 Lectures & abstracts

Booth G, Stoffel K, Kuster M. Internal Fixation of experimental intraarticular calcaneus fractures: a biomechanical comparison of conventional and locking plates in cadaveric specimens. Annual Combined National Scientific Meeting AOA, Canberra, October, 2006

2005 Peer-reviewed

Buergi M, Stoffel K, Jacob H.C., Bereiter H. Radiological findings and clinical results of 102 thrust-plate femoral hip prostheses. J Arthroplasty. 2005 Jan;20(1):108-17

2005 Lectures & abstracts

Booth G, Stoffel K, Kuster M. Internal Fixation of experimental intraartikular calcaneus fractures: a biomechanical comparison of conventional and locking plates in cadaveric specimens. Annual Australian Orthopaedic Foot and Ankle Society Conference, Darwin, August, 2005

2005 Lectures & abstracts

Lorenz, K, Stoffel K, Kuster M. Biomechanical evaluation of current devices for the refixation of the greater trochanter. Annual Scientific Meeting AOA ASM, Perth, October, 2005

2005 Lectures & abstracts

Khorshid O, Stoffel K, Kuster M. The effect of high tibial osteotomy on patellofemoral pressure. A biomechanical study in human cadaveric knees. Annual Scientific Meeting AOA ASM, Perth, October, 2005

2005 Lectures & abstracts

Stoffel K, Kuster M. Current biomechanical concepts in plate osteosynthesis. Invited Lecture at the University of Adelaide at the Royal Adelaide Hospital, Adelaide, South Australia, September, 2005

2004 Peer-reviewed

Ozturk H.E, Stoffel K, Jones C.F., Stachowiak G.W. The effect of surface active phospholipids on the lubrication of osteoarthritic sheep knee joints: friction. Tribology, Vol. 16, No. 4, May 2004, 283-289

2004 Peer-reviewed

Jones C.F., Stoffel K, Ozturk H.E., Stachowiak G.W. The effect of surface active phospholipids on the lubrication of osteoarthritic sheep knee joints: wear. Tribology, Vol. 16, No. 4, May 2004, 291-296

2004 Peer-reviewed

Stoffel K, Stachowiak G.W., Kuster M.S. Open wedge high tibial osteotomy: biomechanical investigation of the modified Arthrex Osteotomy Plate (Puddu Plate) and TomoFix Plate. Clinical Biomechanics 2004, Vol. 19/9, 944-50

2004 Peer-reviewed

Stoffel K, Stachowiak G.W., Forster T, Gächter A, Kuster M.S. Oblique screws at the plate ends increase the fixation strength in synthetic bone test medium. Journal of Orthopaedic Trauma 2004, Vol 18/9, 611-617

2004 Lectures & abstracts

Kessler M, Stoffel K, Gächter A. Die SLAP-Läsions als Ursache eines glenolabralen Ganglions. Swiss Orthopaedic Association Congress, Bale, October 2003 and Jahreskongress der Deutschen Vereinigung für Schulter- und Ellbogenchirurgie, Köln, März 2004

2004 Lectures & abstracts

Kuster M, Stoffel K, Grob K, Forster Th. Clinical Experience with NCB – A new locking plate. Continuing Medical Education, Fremantle Orthopaedic Unit, The University of Western Australia, Fremantle, June, 2004

2004 Lectures & abstracts

Stoffel K, Jones C, Ozturk H, Stachowiak G, Kuster M. Surface active pospholipids reduce friction and wear in osteoarthritic sheep joints. Annual Scientific Meeting of the Australian Orthopaedic Association, Perth, September, 2004

2004 Lectures & abstracts

Stoffel K, Lorenz K, Grob K, Forster Th, Kuster M. The biomechanical advantages of internal fixators in plate osteosynthesis. Annual Scientific Meeting of the Australian Orthopaedic Association, Perth, September, 2004

2004 Lectures & abstracts

Kuster M, W. Bryceson, Stoffel K. The Non Contact Bridging Plate: A new advance in the osteosynthesis of osteoporotic fractures. Preliminary findings. Annual Scientific Meeting of the Australian Orthopaedic Association, Perth, September, 2004

2004 Lectures & abstracts

Stoffel K, Kuster M. Orthopaedic X-Ray Session – Common Fractures. 38th Fremantle Postgraduate Medical Meeting. Fremantle, October, 2004

2003 Peer-reviewed

Stoffel K, Ulrich D, Stachowiak G, Gächter A, Kuster M.S. How can stability in internal fixators be controlled? A mechanical and Finite Element Analysis. Injury 2003; Suppl. 2: 11-19

2003 Lectures & abstracts

Stoffel K, Ulrich D, Stachowiak G, Gächter A, Kuster M. How can stability in internal fixators be controlled? A mechanical and Finite Element Analysis. Swiss Orthopaedic Association Congress, Bale, October 2003

2003 Lectures & abstracts

Stoffel K, Gächter A, Stachowiak G. Surfactant: der Durchbruch in der Behandlung der Gelenksarthrose? Swiss Orthopaedic Association Congress, Bale, October 2003

2003 Lectures & abstracts

Stoffel K, Ellenberger M, Gächter A, Nagel W. Eine seltene Ursache für Wadenkrämpfe beim Jungen: Klinik, Diagnostik, Therapie und Literaturübersicht des poplitealen Entrapmentsyndromes. Swiss Orthopaedic Association Congress, Bale, October 2003

2003 Lectures & abstracts

Stoffel K, Forster T, Stachowiak G, Gächter A, Kuster MS. Oblique screws at the plate end increases the fixation strength. Swiss Orthopaedic Association Congress, Bale, October 2003

2003 Lectures & abstracts

Boder P. Stoffel K, Bereiter H, Gächter A. Die sekundäre mediale Patellaluxation nach medialisierenden Operationstechniken an der Tuberositas tibiae. Swiss Orthopaedic Association Congress, Bale, October 2003

2003 Lectures & abstracts

Harder L, Stoffel K. The pull out strength of locked internal fixators and conventional plates. Poster; Swiss Orthopaedic Association Congress, Bale, October 2003

2003 Lectures & abstracts

Wengler E, Stoffel K, Gächter A, Kuster MS. A new technique of subtrochanteric shortening osteotomy in total hip arthroplasty performed with the trust plate prosthesis for high riding congenital dislocation of the hip. Swiss Orthopaedic Association Congress, Bale, October 2003

2002 Lectures & abstracts

Stoffel K, Kuster M, Stachowiak G, Gächter A. A biomechanical investigation of the modified Arthrex Osteotomy Plate (Puddu Plate) and TomoFix Plate for high tibial medial opening wedge osteotomy. Swiss Union Congress, Lausanne, July 2002

2002 Lectures & abstracts

Engler H, Stoffel K, Kuster M, Riesen W. Weisen Knochenmarker frühzeitig auf einen verzögerten Heilungsverlauf bei Osteosynthese nach Knochenfrakturen hin? Jahrestagung Schweizerische Jahrestagung klinische Chemie, ETH Zürich, Octobre 2002

2002 Lectures & abstracts

Bürgi M, Stoffel K, Bereiter H, Jacob. Radiological findings and clinical results of 102 Thrust-Plate hip prostheses - a follow-up of 2 to 8 years. SICOT/SIROT San Diago Convention Center, San Diego, CA, USA, August 2002

2002 Lectures & abstracts

Gago M, Frenk A, Stoffel K, Ulrich D. Locking Compression Plate: Screw configuration and biomechanical situation. AO Curse, Davos, December, 2002

2002 Lectures & abstracts

Ozturk H, Jones C, Stoffel K, Stachowiak G. The Effect of Surface Active Phospholipids on the Lubrication of Osteoarthritic Sheep Knee Joints: Friction. 6th International Tribology Conference – Austrib 02, Perth, WA, Australia, December, 2002

2002 Lectures & abstracts

Jones C, Ozturk H, Stoffel K, Stachowiak G. The Effect of Surface Active Phospholipids on the Lubrication of Osteoarthritic Sheep Knee Joints: Wear. 6th International Tribology Conference – Austrib 02, Perth, WA, Australia, December, 2002

2001 Lectures & abstracts

Stoffel K, Engler H, Riesen W, Gächter A, Kuster M.S. Bone remodelling markers and fracture healing: Preliminary data from a prospective study evaluating different fracture sites. Western Pacific Orthopeadic Association (WPAO) May 2001, Adelaide

2001 Lectures & abstracts

Kuster M, Stoffel K, Engler H, Riesen W, Gächter A. Changes in bone markers in serum and urine in the course of fracture healing. Swiss Orthopaedic Association Congress, Lugano, June 2001

2000 Peer-reviewed

Stoffel K, Fellmann J, Meier G, Bereiter H. Relevante Unterschiede nach posttraumatischem und degenerativem Humeruskopfersatz (mittelfristige Resultate). Z. Orthop 2000; 138:110-117

2000 Peer-reviewed

Stoffel K, Klaue K, Perren S.M. Functional load of plates in fracture fixation in vivo and its correlate in bone healing. Injury 2000; 31, Suppl. 2: 37-50

1998 Lectures & abstracts

Stoffel K, Fellmann J, Bereit er H. Relevant differences in posttraumatic and degenerative shoulder hemiarthroplasty (a mid-term follow-up). Swiss Union Congress; Lausanne, June 1998

1997 Lectures & abstracts

Notter H.P, Stoffel K, Sommer Ch, Sommer Ch, Furrer M.„Sentinel“-Lymphnode dissection in melanoma. First experiences. Swiss Surgery Association (SSA) Davos, December 1997

1995 Theses

MD Thesis (Dissertation): Die Belastung der Osteosyntheseplatte und die biologische Knochenreaktion im Vergleich. 1995, University of Bern, Switzerland

no year Teaching material & videos

Stoffel K, Kuster M. Operative Zugänge in der Orthopädie und Traumatologie des Bewegungsapparates. Zimmer Company

no year Teaching material & videos

Finkemeier Ch, Stoffel K. Surgical dislocation oft he hip throuph a modified Gibson approach

no year Teaching material & videos

Stoffel K. Periprosthetic fractures of the proximal femur: surgical technique for a UCS IV.3-B1 fracture

no year Teaching material & videos

Stoffel K. Finkemeier Ch. Prtrochanteric Femur Fractures: surgical techqniwue for a IMN osteosynthesis of a 31 A1.3 fracture

no year Teaching material & videos

Stoffel K. Bates B. Knee and hip periprosthetic fracutres: two innovative solutions with nail and plate (3 videos)

no year Peer-reviewed

Stoffel K, Sommer C, Lee M, Zhu T, Schwieger K, Finkemeier C. Double fixation for complex distal femoral Frakturen. EFFORT Open Rev, 21, 7(4), 274-28

no year Lectures & abstracts

Stoffel K. Inivted Lecture: Sehnenverletzungen im Sport: Hamstrings und sonstige Sehnenverletzungen der Hüfte. Forum for Advanced Medical Education. Basel, April, Switzerland