Current solutions for the treatment of chronic articular cartilage defects in the knee.

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Abstract

Conflict of interest statement: ICMJE Conflict of interest statement: GB reports that he is the Scientific Editor for EFORT Open Reviews, outside the submitted work. The other authors report no conflict of interest relevant to this work. 8. Ann Plast Surg. 2025 Oct 1;95(4):453-459. doi: 10.1097/SAP.0000000000004480. The Osteochondral Autograft Transfer System in Hand Surgery: A Comprehensive Evidence-Based Guide for the Hand Surgeon. [Article in English, German; Abstract available in German from the publisher] Eisa A(1), Aman M(2), Panayi AC, Harhaus L. Author information: (1)From the Department of Plastic, Hand and Reconstructive Surgery, Burn Center, BG Trauma Center Ludwigshafen and Department of Hand- and Plastic Surgery, University of Heidelberg, Heidelberg. (2)Department of Hand-, Replantation- and Microsurgery BG Klinikum Unfallkrankenhaus Berlin and Chair for Hand-, Raplantation- and Microsurgery at Charité Universitätsmedizin, Berlin. INTRODUCTION: The Osteochondral Autologous Transfer System (OATS) is a surgical technique initially developed for knee procedures to address focal articular cartilage defects. Although widely applied in the knee, elbow, shoulder, and ankle, its application in hand surgery is limited but growing. This review aims to compile evidence-based insights into OATS for hand surgery, focusing on indications, technical nuances, outcomes, and donor-site morbidity. Additionally, a demonstrative case is presented showcasing the reconstruction of a capitate using OATS. METHODS: The systematic review followed PRISMA 2020 guidelines and was registered on PROSPERO. Electronic databases (PubMed, Google Scholar, Cochrane Library) and ClinicalTrials.gov were searched for studies up to August 1, 2024, using the keywords: OATS, osteochondral autologous transplantation system, hand, and wrist. Eligible studies included clinical applications of OATS in hand surgery with follow-up data. Case reports, series, and cohort studies were appraised for quality and risk of bias. Additionally, a narrative review addressed practical questions for hand surgeons. A demonstrative case involving capitate resurfacing during proximal row carpectomy was also included. RESULTS: Thirteen studies met the inclusion criteria, encompassing case reports and small series involving up to 11 patients. Indications for OATS in hand surgery included reconstruction of the lunate fossa, carpal bones, metacarpal heads, and interphalangeal joints. Favorable outcomes were reported, with donor sites including the lateral femoral condyle, medial femoral trochlea, and hemihamate bone. Donor-site morbidity was rare but included exertional knee pain and radiological degenerative changes. The demonstrative case highlighted capitate resurfacing with satisfactory functional and radiological outcomes. CONCLUSIONS: OATS shows promise in addressing osteochondral defects in the hand, with favorable outcomes across various applications. Although evidence remains limited to small case series and reports, the technique demonstrates potential as a motion-preserving option. Future research should address donor-site morbidity in healthy knees and explore the feasibility of allograft use. Publisher: INTRODUCTION: The Osteochondral Autologous Transfer System (OATS) is a surgical technique initially developed for knee procedures to address focal articular cartilage defects. Although widely applied in the knee, elbow, shoulder, and ankle, its application in hand surgery is limited but growing. This review aims to compile evidence-based insights into OATS for hand surgery, focusing on indications, technical nuances, outcomes, and donor-site morbidity. Additionally, a demonstrative case is presented showcasing the reconstruction of a capitate using OATS. METHODS: The systematic review followed PRISMA 2020 guidelines and was registered on PROSPERO. Electronic databases (PubMed, Google Scholar, Cochrane Library) and ClinicalTrials.gov were searched for studies up to August 1, 2024, using the keywords: OATS, osteochondral autologous transplantation system, hand, and wrist. Eligible studies included clinical applications of OATS in hand surgery with follow-up data. Case reports, series, and cohort studies were appraised for quality and risk of bias. Additionally, a narrative review addressed practical questions for hand surgeons. A demonstrative case involving capitate resurfacing during proximal row carpectomy was also included. RESULTS: Thirteen studies met the inclusion criteria, encompassing case reports and small series involving up to 11 patients. Indications for OATS in hand surgery included reconstruction of the lunate fossa, carpal bones, metacarpal heads, and interphalangeal joints. Favorable outcomes were reported, with donor sites including the lateral femoral condyle, medial femoral trochlea, and hemihamate bone. Donor-site morbidity was rare but included exertional knee pain and radiological degenerative changes. The demonstrative case highlighted capitate resurfacing with satisfactory functional and radiological outcomes. CONCLUSIONS: OATS shows promise in addressing osteochondral defects in the hand, with favorable outcomes across various applications. Although evidence remains limited to small case series and reports, the technique demonstrates potential as a motion-preserving option. Future research should address donor-site morbidity in healthy knees and explore the feasibility of allograft use. Copyright © 2025 Wolters Kluwer Health, Inc. All rights reserved. DOI: 10.1097/SAP.0000000000004480