31 May 2020 : Case report
Implantation of an Actifit® Polyurethane Meniscal Scaffold 18 Months After Subtotal Lateral Meniscectomy in a 13-Year-Old Male Adolescent
Unusual setting of medical care
Franck Accadbled1A*, Thuy Trang Pham1ABDEF, Camille Thevenin Lemoine1F, Jérôme Sales de Gauzy1DDOI: 10.12659/AJCR.920688
Am J Case Rep 2020; 21:e920688
Abstract
BACKGROUND: Implantation of the Actifit® polyurethane meniscal scaffold is indicated for knee pain after partial meniscectomy in adults who are skeletally mature. This report is of a case of implantation of an Actifit® polyurethane meniscal scaffold 18 months after subtotal lateral meniscectomy in a 13-year-old male adolescent.
CASE REPORT: A 13-year-old male presented with right knee pain, localized to the lateral joint, 18 months after undergoing subtotal lateral meniscectomy. Magnetic resonance imaging (MRI) of the knee showed a complete amputation of the lateral meniscal middle segment with subchondral bone damage. Arthroscopic exploration of the knee joint showed a subtotal posterior and middle lateral meniscectomy and a 4 cm² area of International Cartilage Repair Society (ICRS) grade 3 cartilage damage on the posterior aspect of the lateral tibial plateau. The anterolateral portal was enlarged to introduce the Actifit® scaffold. The implant was secured using three all-inside Fast-Fix® sutures and three outside-in vertical sutures, which rapidly reduced the pain symptoms. At five-year follow-up, the patient reported no pain, and he had resumed sporting activities and recovered a full knee range of motion at 0/0/145°. MRI showed a type 2 meniscal implant shape and size, according to the Genovese MRI score. The ICRS MRI score was stable at grade 3b.
CONCLUSIONS: This case showed that the use of the Actifit® polyurethane meniscal scaffold is an option for the treatment of knee pain after partial or subtotal meniscectomy in skeletally immature patients, resulting in a stable functional outcome at five-year follow-up.
Keywords: Adolescent, Arthroscopy, Menisci, Tibial, Arthralgia, Arthroplasty, Replacement, Arthroscopes, Follow-Up Studies, Knee Joint, Magnetic Resonance Imaging, meniscectomy, Polyurethanes, Range of Motion, Articular, Tissue Scaffolds
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