title: Dry arthroscopy with a retraction system for matrix-aided cartilage repair of patellar lesions.
abstract: Several commercially available cartilage repair techniques use a natural or synthetic matrix to aid cartilage regeneration (e.g., autologous matrix-induced chondrogenesis or matrix-induced cartilage implantation). However, the use of matrix-aided techniques during conventional knee joint arthroscopy under continuous irrigation is challenging. Insertion and fixation of the matrix can be complicated by the presence of fluid and the confined patellofemoral joint space with limited access to the lesion. To overcome these issues, we developed a novel arthroscopic approach for matrix-aided cartilage repair of patellar lesions. This technical note describes the use of dry arthroscopy assisted by a minimally invasive retraction system. An autologous matrix-induced chondrogenesis procedure is used to illustrate this novel approach.
authors.affiliation: Orthopaedic Department, St. Luke's Clinic, Bielsko-Biala, Poland.
authors.forename: Boguslaw
authors.initials: B
authors.lastname: Sadlik
authors.affiliation: Center for Advanced Orthopedic Studies, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, U.S.A ; Orthopaedic Department, University of Basel Hospital, Basel, Switzerland.
authors.forename: Martin
authors.initials: M
authors.lastname: Wiewiorski
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