Prof. Dr. med. Michael Hirschmann

Hirschmann, M. T., Herbst, E., Milano, G., & Musahl, V. (2025). Very warm welcome to our new associate editors Dr. Ayoosh Pareek, Dr. Cécile Batailler and Dr. Choon Chiet Hong [Journal-article]. Knee Surgery, Sports Traumatology, Arthroscopy. https://doi.org/10.1002/ksa.12591

Hirschmann, M. T., Herbst, E., Milano, G., & Musahl, V. (2025). Embracing the opportunities of 2025: Shaping the future of KSSTA [Journal-article]. Knee Surgery, Sports Traumatology, Arthroscopy, 33(1), 7–12. https://doi.org/10.1002/ksa.12573

Avram, G. M., Tomescu, H., Dennis, C., Rusu, V., Mengis, N., Ammann, E., Pacchiarotti, G., Hirschmann, M. T., Predescu, V., & Russu, O. (2024). Robotic-Assisted Medial Unicompartmental Knee Arthroplasty Provides Better FJS-12 Score and Lower Mid-Term Complication Rates Compared to Conventional Implantation: A Systematic Review and Meta-Analysis [Journal-article]. Journal of Personalized Medicine, 14(12), 1137. https://doi.org/10.3390/jpm14121137

Hirschmann, M. T., & Bonnin, M. P. (2024). Abandon the mean value thinking: Personalized medicine an intuitive way for improved outcomes in orthopaedics [Journal-article]. Knee Surgery, Sports Traumatology, Arthroscopy. https://doi.org/10.1002/ksa.12503

Hirschmann, M. T., Avram, G., Graichen, H., Tandogan, R. N., Mengis, N., & Zaffagnini, S. (2024). Same same but different—Image‐based versus imageless robotic‐assisted total knee arthroplasty! [Journal-article]. Journal of Experimental Orthopaedics, 11(4). https://doi.org/10.1002/jeo2.70062

Hirschmann, M. T., von Eisenhart‐Rothe, R., Graichen, H., & Zaffagnini, S. (2024). AI may enable robots to make a clinical impact in total knee arthroplasty, where navigation has not! [Journal-article]. Journal of Experimental Orthopaedics, 11(4). https://doi.org/10.1002/jeo2.70061

Oettl, F. C., Oeding, J. F., Feldt, R., Ley, C., Hirschmann, M. T., & Samuelsson, K. (2024). The artificial intelligence advantage: Supercharging exploratory data analysis [Journal-article]. Knee Surgery, Sports Traumatology, Arthroscopy. https://doi.org/10.1002/ksa.12389

Hirschmann, M. T. (2024). Welcome to the new Deputy Editor‐in‐Chief of KSSTA, Giuseppe Milano [Journal-article]. Knee Surgery, Sports Traumatology, Arthroscopy. https://doi.org/10.1002/ksa.12344

Bonnin, M., Saffarini, M., Lustig, S., & Hirschmann, M. T. (2024). Decoupling the trochlea from the condyles in total knee arthroplasty: The end of a curse? Knee Surgery, Sports Traumatology, Arthroscopy, 32(7), 1645–1649. https://doi.org/10.1002/ksa.12267

Khan, Z.-A., Leica, A., Sava, M.-P., & Hirschmann, M. T. (2024). No difference in postoperative patient satisfaction rates between mechanical and kinematic alignment total knee arthroplasty: A systematic review [Journal-article]. Journal of Experimental Orthopaedics, 11(3). https://doi.org/10.1002/jeo2.12101

Leica, A., Sava, M.-P., Khan, Z.-A., Hügli, R. W., & Hirschmann, M. T. (2024). Limitations of the knee society score in kinematically aligned total knee arthroplasty. Journal of Experimental Orthopaedics, 11(3). https://doi.org/10.1002/jeo2.12054

Oettl, F. C., Pareek, A., Winkler, P. W., Zsidai, B., Pruneski, J. A., Senorski, E. H., Kopf, S., Ley, C., Herbst, E., Oeding, J. F., Grassi, A., Hirschmann, M. T., Musahl, V., Samuelsson, K., Tischer, T., & Feldt, R. (2024). A practical guide to the implementation of AI in orthopaedic research, Part 6: How to evaluate the performance of AI research? Journal of Experimental Orthopaedics, 11(3). https://doi.org/10.1002/jeo2.12039

Russell, S. P., Keyes, S., Hirschmann, M. T., & Harty, J. A. (2024). Conventionally instrumented inverse kinematic alignment for total knee arthroplasty: How is it done? Journal of Experimental Orthopaedics, 11(3). https://doi.org/10.1002/jeo2.12055

Zsidai, B., Kaarre, J., Narup, E., Hamrin Senorski, E., Pareek, A., Grassi, A., Ley, C., Longo, U. G., Herbst, E., Hirschmann, M. T., Kopf, S., Seil, R., Tischer, T., Samuelsson, K., & Feldt, R. (2024). A practical guide to the implementation of artificial intelligence in orthopaedic research—Part 2: A technical introduction. Journal of Experimental Orthopaedics, 11(3). https://doi.org/10.1002/jeo2.12025

Hirschmann, M. T., Herbst, E., Milano, G., & Musahl, V. (2024). The only constant in life is change: A moment of gratitude and respect for the past and a start for the new KSSTA team! Knee Surgery, Sports Traumatology, Arthroscopy, 32(6), 1351–1353. https://doi.org/10.1002/ksa.12283

Nedopil, A. J., Howell, S. M., Hull, M. L., & Hirschmann, M. T. (2024). A TKA can be kinematically aligned without restrictions: Current evidence. Knee Surgery, Sports Traumatology, Arthroscopy, 32(6), 1354–1358. https://doi.org/10.1002/ksa.12132

Graichen, H., Avram, G. M., Strauch, M., Kaufmann, V., & Hirschmann, M. T. (2024). Tibia-first, gap-balanced patient-specific alignment restores bony phenotypes and joint line obliquity in a great majority of varus and straight knees and normalises valgus and severe varus deformities. Knee Surgery, Sports Traumatology, Arthroscopy, 32(5), 1287–1297. https://doi.org/10.1002/ksa.12145

Beckers, G., Meneghini, R. M., Hirschmann, M. T., Kostretzis, L., Kiss, M.-O., & Vendittoli, P.-A. (2024). Ten Flaws of Systematic Mechanical Alignment Total Knee Arthroplasty. Journal of Arthroplasty, 39(3), 591–599. https://doi.org/10.1016/j.arth.2023.11.023

Hirschmann, M. T., von Eisenhart-Rothe, R., Graichen, H., Vendittoli, P.-A., Chen, A. F., Lustig, S., Leal, J., Tibesku, C., & Bonnin, M. (2024). Neutrality, normality, abnormality and pathology in coronal knee alignment: Why and how should we define it in the era of personalised medicine? Knee Surgery, Sports Traumatology, Arthroscopy, 32(3), 515–517. https://doi.org/10.1002/ksa.12107

Chelli, Sabrina, Rudyy, Taras, Avram, George Mihai, Huegli, Rolf W., Amsler, Felix, & Hirschmann, Michael T. (2024). Gender‐based differences exist in the functional knee phenotypes classification of the osteoarthritic knee [Journal-article]. Knee Surgery, Sports Traumatology, Arthroscopy. https://doi.org/10.1002/ksa.12082

Malinowski K, Mostowy M, Kim DW, Bawor M, Skowronek P, Hirschmann MT, Pękala PA, & LaPrade RF. (2024). Gluteal Complex is important in External Snapping Hip: intraoperative identification of syndrome origin and endoscopic stepwise release–a case series. International Orthopaedics, 48(2), 401–408. https://doi.org/10.1007/s00264-023-05961-0

Aman, Z. S., Champagne, A. A., Hurley, E. T., Danilkowicz, R. M., Ciccotti, M. G., Hirschmann, M. T., Figueroa, F., Jones, K. J., Murray, I. R., Shannon, F. J., & Jazrawi, L. M. (2024). Diagnosis of knee cartilage injuries—an international Delphi consensus statement. Journal of Cartilage and Joint Preservation. https://doi.org/10.1016/j.jcjp.2024.100196

Beaufils, P., Saffarini, M., Karlsson, J., Hirschmann, M. T., Prill, R., Becker, R., Hantes, M., & Monllau, J. C. (2024). High scientific value of consensus is based on appropriate and rigorous methodology: The ESSKA formal consensus methodology. Knee Surgery, Sports Traumatology, Arthroscopy. https://doi.org/10.1002/ksa.12390

Buijs, G. S., Kievit, A. J., Schafroth, M. U., Hirschmann, M. T., & Blankevoort, L. (2024). Weight-bearing pain and implant migration, progressive radiolucencies, radiolucency more than 2 mm and subsidence on radiographs and CT are generally accepted criteria for knee arthroplasty loosening: An international Delphi consensus study. Knee Surgery, Sports Traumatology, Arthroscopy. https://doi.org/10.1002/ksa.12419

Buijs, G. S., Kievit, A. J., Walinga, A. B., Schafroth, M. U., Hirschmann, M. T., & Blankevoort, L. (2024). Visible fluid motion on manipulation as the new threshold for intraoperatively determined knee arthroplasty component loosening: A Delphi study. Knee Surgery, Sports Traumatology, Arthroscopy. https://doi.org/10.1002/ksa.12357

Filardo, G., de Girolamo, L., Kon, E., Hirschmann, M. T., & Karlsson, J. (2024). Bridging the gender data-gap in studies of musculoskeletal research. Knee Surgery, Sports Traumatology, Arthroscopy. https://doi.org/10.1002/ksa.12396

Franceschetti, E., Campi, S., Giurazza, G., Tanzilli, A., Gregori, P., Laudisio, A., Hirschmann, M. T., Samuelsson, K., & Papalia, R. (2024). Mechanically aligned total knee arthroplasty does not yield uniform outcomes across all coronal plane alignment of the knee (CPAK) phenotypes. Knee Surgery, Sports Traumatology, Arthroscopy. https://doi.org/10.1002/ksa.12349

Franceschetti, Edoardo, Campi, Stefano, Gregori, Pietro, Giurazza, Giancarlo, Samuelsson, Kristian, Hirschmann, Michael T, Laudisio, Alice, Papalia, Giuseppe Francesco, Zampogna, Biagio, & Papalia, Rocco. (2024). No differences in terms of complications, readmissions, reoperations, and patient-reported outcomes in simultaneous bilateral versus staged bilateral total knee arthroplasty in selected patients. Knee, 47, 151–159. https://doi.org/10.1016/j.knee.2023.11.013

Hirschmann, Michael T., Khan, Zainab Aqeel, Sava, Manuel P., von Eisenhart-Rothe, Rüdiger, Graichen, Heiko, Vendittoli, Pascal-André, Riviere, Charles, Chen, Antonia F., Leclercq, Vincent, Amsler, Felix, Lustig, Sebastien, & Bonnin, Michel. (2024). Definition of normal, neutral, deviant and aberrant coronal knee alignment for total knee arthroplasty. Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA, 32, 473–489. https://doi.org/10.1002/ksa.12066

Kayaalp, M Enes, Ollivier, Matthieu, Winkler, Philipp W., Dahmen, Jari, Musahl, Volker, Hirschmann, Michael T., & Karlsson, Jon. (2024). Embrace responsible ChatGPT usage to overcome language barriers in academic writing. Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA, 32, 5–9. https://doi.org/10.1002/ksa.12014

Moret, Céline S., Masri, Salim El, Schelker, Benjamin L., Friederich, Niklaus F., & Hirschmann, Michael T. (2024). Unexpected early loosening of rectangular straight femoral Zweymüller stems with an alumina-reduced surface after total hip arthroplasty—a prospective, double-blind, randomized controlled trial. Journal of Orthopaedics and Traumatology, 25. https://doi.org/10.1186/s10195-023-00743-1

Ollivier, M., Wodziński, P., Kley, K., Verdonk, R., Hirschmann, M. T., & Karlsson, J. (2024). Honouring Jan Mikulicz-Radecki’s legacy in modern knee orthopaedics. Knee Surgery, Sports Traumatology, Arthroscopy. https://doi.org/10.1002/ksa.12394

Sadoghi, Patrick, Hirschmann, Michael T., Karlsson, Jon, & Klasan, Antonio. (2024). The neglected factor of constitutional sagittal alignment and its implications for total knee arthroplasty. Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA, 32, 10–12. https://doi.org/10.1002/ksa.12013

Sava, Manuel-Paul, Leica, Alexandra, Amsler, Felix, Leles, Sotirios, & Hirschmann, Michael T. (2024). Only 26% of Native Knees Show an Identical Coronal Functional Knee Phenotype in the Contralateral Knee. Journal of Personalized Medicine, 14. https://doi.org/10.3390/jpm14020193

Aldawoudy, A., Alajwani, M., Hirschmann, M., Badr, A., Waly, A. H., & Soliman, E. (2023). Hybrid Press-fit and Adjustable Button Femoral Fixation of Anterior Cruciate Ligament Semitendinosus and Bone-patellar Tendon-bone Autografts—A Technical Note. Techniques in Orthopaedics, 38(4), 173–176. https://doi.org/10.1097/BTO.0000000000000642

Anzola LK, Hernandez N, Rodriguez LF, Sanguino G, Martinez E, Lopez R, Moreno S, Prill R, Mut F, Rasch H, & Hirschmann M. (2023). The role of SPECT/CT in painful, noninfected knees after knee arthroplasty: a systematic review and meta-analysis—a diagnostic test accuracy review (Patent No. 1). 18(1), Article 1. https://doi.org/10.1186/s13018-023-03687-8

Dahmen J, Kayaalp ME, Winkler PW, de Girolamo L, Filardo G, Beaufils P, Hirschmann MT, & Karlsson J. (2023). Enhancing orthopaedic scientific communication: the launch of infographics in the KSSTA journal (Patent No. 12). 31(12), Article 12. https://doi.org/10.1007/s00167-023-07613-7

Sava MP, Leica A, Scala I, Beckmann J, & Hirschmann MT. (2023). Significant correlations between postoperative outcomes and various limb and component alignment strategies in medial unicompartmental knee arthroplasty: a systematic review. Journal of Experimental Orthopaedics, 10(1), 93. https://doi.org/10.1186/s40634-023-00655-3

Sava MP, Schelker BL, Khan ZA, Amsler F, & Hirschmann MT. (2023). Use of the forgotten joint score (FJS)-12 to evaluate knee awareness after quadriceps tendon reconstruction. BMC Musculoskeletal Disorders, 24(1), 431. https://doi.org/10.1186/s12891-023-06574-9

Zsidai B, Kaarre J, Hilkert AS, Narup E, Senorski EH, Grassi A, Ayeni OR, Musahl V, Ley C, Herbst E, Hirschmann MT, Kopf S, Seil R, Tischer T, Samuelsson K, Feldt R, & ESSKA Artificial Intelligence Working Group. (2023). Accelerated evidence synthesis in orthopaedics—the roles of natural language processing, expert annotation and large language models. Journal of Experimental Orthopaedics, 10(1), 99. https://doi.org/10.1186/s40634-023-00662-4

Hughes JD, Cristiani R, Hirschmann MT, Musahl V, Eriksson K, & Karlsson J. (2023). Tips and tricks for how to become a good reviewer (Patent No. 11). 31(11), Article 11. https://doi.org/10.1007/s00167-023-07595-6

Becher C, Megaloikonomos PD, Lind M, Eriksson K, Brittberg M, Beckmann J, Verdonk P, Högström M, Konradsen L, Holz J, Franz A, Feucht MJ, Kösters C, van Buul G, Sköldenberg O, Emans PJ, Boutefnouchet T, Nathwani D, McNicholas MJ, et al. (2023). High degree of consensus amongst an expert panel regarding focal resurfacing of chondral and osteochondral lesions of the femur with mini-implants. Knee Surgery, Sports Traumatology, Arthroscopy, 31(9), 4027–4034. https://doi.org/10.1007/s00167-023-07450-8

Glowalla C, Langer S, Lenze U, Lazic I, Hirschmann MT, Hinterwimmer F, von Eisenhart-Rothe R, & Pohlig F. (2023). Postoperative full leg radiographs exhibit less residual coronal varus deformity compared to intraoperative measurements in robotic arm-assisted total knee arthroplasty with the MAKO™ system. Knee Surgery, Sports Traumatology, Arthroscopy, 31(9), 3912–3918. https://doi.org/10.1007/s00167-023-07386-z

Luderer V, Strauch M, Hirschmann MT, & Graichen H. (2023). Independent of the preoperative coronal deformity, adjusted mechanical alignment leads in a high percentage to non-anatomical tibial and femoral bone cuts. Knee Surgery, Sports Traumatology, Arthroscopy, 31(9), 3784–3791. https://doi.org/10.1007/s00167-023-07337-8

Sava MP, Neopoulos G, Leica A, & Hirschmann MT. (2023). Patellofemoral arthroplasty with onlay prosthesis leads to higher rates of osteoarthritis progression than inlay design implants: a systematic review. Knee Surgery, Sports Traumatology, Arthroscopy, 31(9), 3927–3940. https://doi.org/10.1007/s00167-023-07404-0

Karasavvidis T, Pagan Moldenhauer CA, Haddad FS, Hirschmann MT, Pagnano MW, & Vigdorchik JM. (2023). Current Concepts in Alignment in Total Knee Arthroplasty. Journal of Arthroplasty, 38(7), S29–S37. https://doi.org/10.1016/j.arth.2023.01.060

Schelker BL, Moret CS, Sava MP, von Eisenhart-Rothe R, Graichen H, Arnold MP, Leclercq V, & Hirschmann MT. (2023). The impact of different alignment strategies on bone cuts in total knee arthroplasty for varus knee phenotypes. Knee Surgery, Sports Traumatology, Arthroscopy, 31(5), 1840–1850. https://doi.org/10.1007/s00167-023-07351-w

Dahmen J, Kayaalp ME, Ollivier M, Pareek A, Hirschmann MT, Karlsson J, & Winkler PW. (2023). Artificial intelligence bot ChatGPT in medical research: the potential game changer as a double-edged sword (Patent No. 4). 31(4), Article 4. https://doi.org/10.1007/s00167-023-07355-6

Dahmen J, Kayaalp ME, Winkler PW, Ollivier M, Pareek A, Karlsson J, & Hirschmann MT. (2023). Intelligent innovations for our journal’s path forward (Patent No. 4). 31(4), Article 4. https://doi.org/10.1007/s00167-023-07354-7

Hinterwimmer F, Lazic I, Langer S, Suren C, Charitou F, Hirschmann MT, Matziolis G, Seidl F, Pohlig F, Rueckert D, Burgkart R, & von Eisenhart-Rothe R. (2023). Prediction of complications and surgery duration in primary TKA with high accuracy using machine learning with arthroplasty-specific data. Knee Surgery, Sports Traumatology, Arthroscopy, 31(4), 1323–1333. https://doi.org/10.1007/s00167-022-06957-w

Ollivier M, Pareek A, Dahmen J, Kayaalp ME, Winkler PW, Hirschmann MT, & Karlsson J. (2023). A deeper dive into ChatGPT: history, use and future perspectives for orthopaedic research (Patent No. 4). 31(4), Article 4. https://doi.org/10.1007/s00167-023-07372-5

Saffarini M, Hirschmann MT, & Bonnin M. (2023). Personalisation and customisation in total knee arthroplasty: the paradox of custom knee implants (Patent No. 4). 31(4), Article 4. https://doi.org/10.1007/s00167-023-07385-0

Schelker, Benjamin L., Moret, Céline S., von Eisenhart-Rothe, Rüdiger, Graichen, Heiko, Arnold, Markus P., Leclercq, Vincent, Huegli, Rolf W., & Hirschmann, Michael T. (2023). The impact of different alignment strategies on bone cuts for neutral knee phenotypes in total knee arthroplasty [Journal-article]. Knee Surgery, Sports Traumatology, Arthroscopy, 31(4), 1267–1275. https://doi.org/10.1007/s00167-022-07209-7

Schelker B.L., Moret C.S., von Eisenhart-Rothe R., Graichen H., Arnold M.P., Leclercq V., Huegli R.W., & Hirschmann M.T. (2023). The impact of different alignment strategies on bone cuts for neutral knee phenotypes in total knee arthroplasty. Knee Surgery, Sports Traumatology, Arthroscopy, 31(4), 1267–1275. https://doi.org/10.1007/s00167-022-07209-7

Graichen H, Luderer V, Strauch M, Hirschmann MT, & Scior W. (2023). Navigated, gap-balanced, adjusted mechanical alignment achieves alignment and balancing goals in a very high percentage but with partially non-anatomical resections. Knee Surgery, Sports Traumatology, Arthroscopy, 31(3), 768–776. https://doi.org/10.1007/s00167-022-07014-2

Hirschmann MT, von Eisenhart-Rothe R, & Graichen H. (2023). Any technology assisting total knee arthroplasty (TKA) will fail without the correct 3D alignment and balancing target (Patent No. 3). 31(3), Article 3. https://doi.org/10.1007/s00167-023-07345-8

Graichen H, Strauch M, Hirschmann MT, Becker R, Lustig S, Clatworthy M, Jordaan JD, Hazratwala K, von Eisenhart-Rothe R, Giesinger K, & Calliess T. (2023). Digital TKA Alignment Training with a New Digital Simulation Tool (Knee-CAT) Improves Process Quality, Efficiency, and Confidence. Journal of Personalized Medicine, 13(2). https://doi.org/10.3390/jpm13020213

Karasavvidis, T., Pagan Moldenhauer, C. A., Lustig, S., Vigdorchik, J. M., & Hirschmann, M. T. (2023). Definitions and consequences of current alignment techniques and phenotypes in total knee arthroplasty (TKA) – there is no winner yet. Journal of Experimental Orthopaedics, 10. https://doi.org/10.1186/s40634-023-00697-7

Paymani, Z., Kalantari, F., Ebrahimi, M., Mathis, D., Ortmaier, R., Hirschmann, M., & Beheshti, M. (2023). Value of quantitative serial three phase bone scan for diagnosis of total knee arthroplasty loosening in case of initial equivocal findings. Iranian Journal of Nuclear Medicine, 31(1), 79–87. https://doi.org/10.22034/IRJNM.2022.40056

Sava, Manuel-Paul, Hara, Hitomi, Alexandra, Leica, Hügli, Rolf W., & Hirschmann, Michael T. (2023). Verasense sensor-assisted total knee arthroplasty showed no difference in range of motion, reoperation rate or functional outcomes when compared to manually balanced total knee arthroplasty: a systematic review. Knee Surgery, Sports Traumatology, Arthroscopy, 31(5), 1851–1858.

Thaler, M., Khosravi, I., Hirschmann, M.T., Kort, N.P., Zagra, L., Epinette, J.A., & Liebensteiner, M.C. (2023). Correction to: Disruption of joint arthroplasty services in Europe during the COVID-19 pandemic: an online survey within the European Hip Society (EHS) and the European Knee Associates (EKA) (Knee Surgery, Sports Traumatology, Arthroscopy, (2020), 28, 6, (1712-1719), 10.1007/s00167-020-06033-1). Knee Surgery, Sports Traumatology, Arthroscopy, null. https://doi.org/10.1007/s00167-023-07636-0

Vendittoli, P.-A., Riviere, C., Hirschmann, M. T., & Bini, S. (2023). Why personalized surgery is the future of hip and knee arthroplasty: a statement from the Personalized Arthroplasty Society. EFORT Open Reviews, 8, 874–882. https://doi.org/10.1530/eor-22-0096

Zsidai, B., Hilkert, A.-S., Kaarre, J., Narup, E., Senorski, E. H., Grassi, A., Ley, C., Longo, U. G., Herbst, E., Hirschmann, M. T., Kopf, S., Seil, R., Tischer, T., Samuelsson, K., & Feldt, R. (2023). A practical guide to the implementation of AI in orthopaedic research – part 1: opportunities in clinical application and overcoming existing challenges. Journal of Experimental Orthopaedics, 10. https://doi.org/10.1186/s40634-023-00683-z

Indelli PF, Iannotti F, Ferretti A, Valtanen R, Prati P, Pérez Prieto D, Kort NP, Violante B, Tandogan NR, Schiavone Panni A, Pipino G, & Hirschmann MT. (2022). Correction to: “Recommendations for periprosthetic joint infections (PJI) prevention: the European Knee Associates (EKA)–International Committee American Association of Hip and Knee Surgeons (AAHKS)–Arthroplasty Society in Asia (ASIA) survey of members” (Knee Surgery, Sports Traumatology, Arthroscopy, (2022), 30, 12, (3932-3943), 10.1007/s00167-021-06742-1) (Patent No. 12). 30(12), Article 12. https://doi.org/10.1007/s00167-022-07026-y

Indelli PF, Iannotti F, Ferretti A, Valtanen R, Prati P, Pérez Prieto D, Kort NP, Violante B, Tandogan NR, Schiavone Panni A, Pipino G, & Hirschmann MT. (2022). “Recommendations for periprosthetic joint infections (PJI) prevention: the European Knee Associates (EKA)–International Committee American Association of Hip and Knee Surgeons (AAHKS)–Arthroplasty Society in Asia (ASIA) survey of members”. Knee Surgery, Sports Traumatology, Arthroscopy, 30(12), 3932–3943. https://doi.org/10.1007/s00167-021-06742-1

Mathis DT, Schmidli J, Amsler F, Henckel J, Hothi H, Hart A, & Hirschmann MT. (2022). Comparative retrieval analysis of a novel anatomic tibial tray backside: alterations in tibial component design and surface coating can increase cement adhesions and surface roughness. BMC Musculoskeletal Disorders, 23(1), 474. https://doi.org/10.1186/s12891-022-05446-y

D’Ambrosi R, Buda M, Nuara A, Mariani I, Scelsi M, Valli F, Ursino N, & Hirschmann MT. (2022). Patellar height after unicompartmental knee arthroplasty: comparison between fixed and mobile bearing. Archives of Orthopaedic and Trauma Surgery, 142(11), 3449–3460. https://doi.org/10.1007/s00402-021-04183-6

Malinowski K., Skowronek P., Hirschmann M., Kim D.W., Henry B.M., Ebisz M., Mostowy M., & Pekala P.A. (2022). Transient spontaneous osteonecrosis of the knee (SONK) shortly after SARS-CoV-2 infection: A report of 2 cases. Advances in Clinical and Experimental Medicine, 31(9), 1035–1041. https://doi.org/10.17219/acem/153004

Mathis D.T., Tschudi S., Amsler F, Hauser A., Rasch H, & Hirschmann M.T. (2022). Correlations of typical pain patterns with SPECT/CT findings in unhappy patients after total knee arthroplasty. Knee Surgery, Sports Traumatology, Arthroscopy, 30(9), 3007–3023. https://doi.org/10.1007/s00167-021-06567-y

Sadoghi P, Vendittoli PA, Lustig S, Leal J, Graichen H, Rivière C, & Hirschmann M. (2022). Less religion and more science in the discussion of personalized alignment in total knee arthroplasty: we need to lead the transition process! (Patent No. 9). 30(9), Article 9. https://doi.org/10.1007/s00167-022-07079-z

Graichen H, Lekkreusuwan K, Eller K, Grau T, Hirschmann MT, & Scior W. (2022). A single type of varus knee does not exist: morphotyping and gap analysis in varus OA. Knee Surgery, Sports Traumatology, Arthroscopy, 30(8), 2600–2608. https://doi.org/10.1007/s00167-021-06688-4

Jenny J.-Y., Baldairon F., & Hirschmann M.T. (2022). Functional knee phenotypes of OA patients undergoing total knee arthroplasty are significantly more varus or valgus than in a non-OA control group. Knee Surgery, Sports Traumatology, Arthroscopy, 30(8), 2609–2616. https://doi.org/10.1007/s00167-021-06687-5

Tandogan RN, Kort NP, Ercin E, van Rooij F, Nover L, Saffarini M, Hirschmann MT, Becker R, Dejour D, & European Knee Associates (EKA). (2022). Computer-assisted surgery and patient-specific instrumentation improve the accuracy of tibial baseplate rotation in total knee arthroplasty compared to conventional instrumentation: a systematic review and meta-analysis. Knee Surgery, Sports Traumatology, Arthroscopy, 30(8), 2654–2665. https://doi.org/10.1007/s00167-021-06495-x

von Eisenhart-Rothe R, Hinterwimmer F, Graichen H, & Hirschmann MT. (2022). Artificial intelligence and robotics in TKA surgery: promising options for improved outcomes? (Patent No. 8). 30(8), Article 8. https://doi.org/10.1007/s00167-022-07035-x

Ebisz M., Mostowy M., Goralczyk A., Hirschmann M.T., Skowronek P., LaPrade R.F., & Malinowski K. (2022). Both arthroscopic and open posterior knee capsulotomy are effective in terms of extension recovery and functional improvement—systematic review. Knee Surgery, Sports Traumatology, Arthroscopy, 30(4), 1443–1452. https://doi.org/10.1007/s00167-021-06634-4

Waibl B., Angele P., Hackl W., Hirschmann M.T., Nehrer S., Steinitz A., Zellner J., Niemeyer P., & Dyrna F. (2022). AGA survey: Current aspects of the provision of cell and tissue therapies in DE/AT/CH: Committee report from the Regeneration and Translation Committee AGA-Umfrage: Aktuelle Aspekte der Versorgung mit Zell- und Gewebetherapien in DE/AT/CH: Komitee-Bericht aus dem Komitee Regeneration und Translation. Arthroskopie, 35(2), 147–149. https://doi.org/10.1007/s00142-022-00521-x

Calek A.-K., Hochreiter B., Hess S., Amsler F., Leclerq V., Hirschmann M.T., & Behrend H. (2022). High inter- and intraindividual differences in medial and lateral posterior tibial slope are not reproduced accurately by conventional TKA alignment techniques. Knee Surgery, Sports Traumatology, Arthroscopy, 30(3), 882–889. https://doi.org/10.1007/s00167-021-06477-z

Cerquiglini A, Henckel J, Hothi H, Moser LB, Eskelinen A, Hirschmann MT, & Hart AJ. (2022). Correction to: Retrieval analysis of contemporary antioxidant polyethylene: multiple material and design changes may decrease implant performance. (Patent No. 3). 30(3), Article 3. https://doi.org/10.1007/s00167-019-05694-x

D’Ambrosi R., Anghilieri F.M., Corona K., Mariani I., Valli F., Ursino N., & Hirschmann M.T. (2022). Similar rates of return to sports and BMI reduction regardless of age, gender and preoperative BMI as seen in matched cohort of hypoallergenic and standard Cobalt Chromium medial unicompartmental knee arthroplasty. Knee Surgery, Sports Traumatology, Arthroscopy, 30(3), 890–898. https://doi.org/10.1007/s00167-021-06467-1

Hirschmann MT, Hart A, Henckel J, Sadoghi P, Seil R, & Mouton C. (2022). Correction to: COVID-19 coronavirus: recommended personal protective equipment for the orthopaedic and trauma surgeon. (Patent No. 3). 30(3), Article 3. https://doi.org/10.1007/s00167-020-06093-3

Moret C.S., Iordache E., D’Ambrosi R., & Hirschmann M.T. (2022). Chondrocalcinosis does not affect functional outcome and prosthesis survival in patients after total or unicompartmental knee arthroplasty: a systematic review. Knee Surgery, Sports Traumatology, Arthroscopy, 30(3), 1039–1049. https://doi.org/10.1007/s00167-021-06519-6

Hess S., Moser L.B., Robertson E.L., Behrend H., Amsler F., Iordache E., Leclercq V., & Hirschmann M.T. (2022). Osteoarthritic and non-osteoarthritic patients show comparable coronal knee joint line orientations in a cross-sectional study based on 3D reconstructed CT images. Knee Surgery, Sports Traumatology, Arthroscopy, 30(2), 407–418. https://doi.org/10.1007/s00167-021-06740-3

Hinterwimmer F, Lazic I, Suren C, Hirschmann MT, Pohlig F, Rueckert D, Burgkart R, & von Eisenhart-Rothe R. (2022). Machine learning in knee arthroplasty: specific data are key—a systematic review. Knee Surgery, Sports Traumatology, Arthroscopy, 30(2), 376–388. https://doi.org/10.1007/s00167-021-06848-6

Hothi H, Cerquiglini A, Büel L, Henckel J, Moser LB, Hirschmann MT, & Hart A. (2022). SPECT/CT Assessment of In-Vivo Loading of the Knee Correlates with Polyethylene Deformation in Retrieved Total Knee Arthroplasty. Tomography, 8(1), 180–188. https://doi.org/10.3390/tomography8010015

Moser LB, Koch M, Hess S, Prabhakar P, Rasch H, Amsler F, & Hirschmann MT. (2022). Stress Radiographs in the Posterior Drawer Position at 90° Flexion Should Be Used for the Evaluation of the PCL in CR TKA with Flexion Instability. Journal of Clinical Medicine, 11(4). https://doi.org/10.3390/jcm11041013

Schelker BL, Moret CS, Dogan O., Amsler F, Rasch H, Hugli R.W., & Hirschmann M.T. (2022). Increased patellar bone tracer uptake in preoperative SPECT/CT before medial opening high tibial osteotomy correlates with inferior clinical outcome. Knee Surgery, Sports Traumatology, Arthroscopy, 30(2), 397–406. https://doi.org/10.1007/s00167-021-06717-2

Schelker BL, Nowakowski AM, & Hirschmann MT. (2022). What is the “safe zone” for transition of coronal alignment from systematic to a more personalised one in total knee arthroplasty? A systematic review. Knee Surgery, Sports Traumatology, Arthroscopy, 30(2), 419–427. https://doi.org/10.1007/s00167-021-06811-5

von Eisenhart-Rothe R, Lustig S, Graichen H, Koch PP, Becker R, Mullaji A, & Hirschmann MT. (2022). A safe transition to a more personalized alignment in total knee arthroplasty: the importance of a “safe zone” concept (Patent No. 2). 30(2), Article 2. https://doi.org/10.1007/s00167-021-06844-w

Yang S.-R., Hirschmann M.T., Schiffmann A., Kovacs B.K., Gehweiler J., Amsler F, & Hirschmann A. (2022). Diagnostics of infrapatellar saphenous neuralgia—a reversible cause of chronic anteromedial pain following knee surgery. European Radiology, 32(2), 1342–1352. https://doi.org/10.1007/s00330-021-08184-2

Hess, S., & Hirschmann, M. T. (2022). 3D Planning of Total Knee Arthroplasty: Why and How? Vol. null (pp. 233–248). Springer International Publishing. https://doi.org/10.1007/978-3-030-58178-7_19

Karlsson J, Menetrey J, Hirschmann MT, Becker R, & Musahl V. (2022). Freddie H Fu: a true friend of ESSKA (Patent No. 1). 30(1), Article 1. https://doi.org/10.1007/s00167-021-06827-x

Moser LB, Hess S, de Villeneuve Bargemon JB, Faizan A, LiArno S, Amsler F, Hirschmann MT, & Ollivier M. (2022). Ethnical Differences in Knee Phenotypes Indicate the Need for a More Individualized Approach in Knee Arthroplasty: A Comparison of 80 Asian Knees with 308 Caucasian Knees. Journal of Personalized Medicine, 12(1). https://doi.org/10.3390/jpm12010121

Moser, L. B., & Hirschmann, M. T. (2022). UKA Component Design: What Do We Need to Know? Vol. null (pp. 187–191). Springer International Publishing. https://doi.org/10.1007/978-3-030-58178-7_15

Runer A., Dammerer D., Kranewitter C., Giesinger J.M., Henninger B., Hirschmann M.T., & Liebensteiner M.C. (2022). Injuries to the anterolateral ligament are observed more frequently compared to lesions to the deep iliotibial tract (Kaplan fibers) in anterior cruciate ligamant deficient knees using magnetic resonance imaging. Knee Surgery, Sports Traumatology, Arthroscopy, 30(1), 309–318. https://doi.org/10.1007/s00167-021-06535-6

Slevin, O., Moser, L. B., & Hirschmann, M. T. (2022). Is There an Optimal TKA Component Position? Vol. null (pp. 299–309). Springer International Publishing. https://doi.org/10.1007/978-3-030-58178-7_26

Zimmermann M, Moser L, Moret C, Iordache E, Amsler F, Rasch H, Hügli R, & Hirschmann MT. (2022). Under-correction of preoperative varus alignment does not lead to a difference in in-vivo bone loading in 3D-SPECT/CT compared to neutral alignment. Knee, 34, 259–269. https://doi.org/10.1016/j.knee.2022.01.005

Hess S., Fromm T., Schiapparelli F., Moser L.B., Robertson E., Amsler F., Rasch H, & Hirschmann M.T. (2021). Change of tibial tuberosity-trochlear groove (TT-TG) distance during total knee arthroplasty had no influence on clinical outcome and anterior knee pain. International Orthopaedics, 45(12), 3069–3074. https://doi.org/10.1007/s00264-021-05074-6

Mathis DT, Schmidli J, Hirschmann M.T., Amsler F., Henckel J, Hothi H, & Hart A. (2021). Comparative retrieval analysis of antioxidant polyethylene: bonding of vitamin-E does not reduce in-vivo surface damage. BMC Musculoskeletal Disorders, 22(1), 1003. https://doi.org/10.1186/s12891-021-04898-y

Moret CS, Hirschmann M.T., Vogel N., & Arnold MP. (2021). Customised, individually made total knee arthroplasty shows promising 1-year clinical and patient reported outcomes. Archives of Orthopaedic and Trauma Surgery, 141(12), 2217–2225. https://doi.org/10.1007/s00402-021-04045-1

Iordache E, Robertson E.L., Hirschmann A, & Hirschmann M.T. (2021). Typical MRI-pattern suggests peak maturation of the ACI graft 2 years after third-generation ACI: a systematic review. Knee Surgery, Sports Traumatology, Arthroscopy, 29(11), 3664–3677. https://doi.org/10.1007/s00167-020-06339-0