Scientific Article   |    
Autologous Osteochondral Mosaicplasty for the Treatment of Full-Thickness Defects of Weight-Bearing Joints Ten Years of Experimental and Clinical Experience
László Hangody, MD, PhD, DSc; Péter Füles, MD
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Corresponding author: László Hangody, MD, PhD, DSc
Uzsoki Hospital, Orthopaedic and Trauma Department, Mexikói Street 62, 1145 Budapest, Hungary. E-mail address: hangody@axelero.hu

The authors did not receive grants or outside funding in support of their research or preparation of this manuscript. One or more of the authors received payments or other benefits or a commitment or agreement to provide such benefits from a commercial entity (royalty payment after mosaicplasty instrumentation, Smith and Nephew Endoscopy, Inc., Andover, Massachusetts). No commercial entity paid or directed, or agreed to pay or direct, any benefits to any research fund, foundation, educational institution, or other charitable or nonprofit organization with which the authors are affiliated or associated.

J Bone Joint Surg Am, 2003 Apr 01;85(suppl 2):25-32
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Background: The successful treatment of chondral and osteochondral defects of the weight-bearing surfaces is a challenge for orthopaedic surgeons. Autologous osteochondral transplantation is one method that can be used to create hyaline or hyaline-like repair in the defect area. This paper describes the results after ten years of clinical experience with autologous osteochondral mosaicplasty.

Methods: Clinical scores, imaging techniques, arthroscopy, histological examination of biopsy samples, and cartilage stiffness measurements were used to evaluate the clinical outcomes and quality of the transplanted cartilage in 831 patients undergoing mosaicplasty.

Results: According to these investigations, good-to-excellent results were achieved in 92% of the patients treated with femoral condylar implantations, 87% of those treated with tibial resurfacing, 79% of those treated with patellar and/or trochlear mosaicplasties, and 94% of those treated with talar procedures. Long-term donor-site disturbances, assessed with use of the Bandi score, showed that patients had 3% morbidity after mosaicplasty. Sixty-nine of eighty-three patients who were followed arthroscopically showed congruent gliding surfaces, histological evidence of the survival of the transplanted hyaline cartilage, and fibrocartilage filling of the donor sites. Complications of the surgery included four deep infections and thirty-six painful postoperative hemarthroses.

Conclusions: On the basis of these promising results and those of other similar studies, autologous osteochondral mosaicplasty appears to be an alternative for the treatment of small and medium-sized focal chondral and osteochondral defects of the weight-bearing surfaces of the knee and other weight-bearing synovial joints.

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    These activities have been planned and implemented in accordance with the Essential Areas and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint sponsorship of the American Academy of Orthopaedic Surgeons and The Journal of Bone and Joint Surgery, Inc. The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians.
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