• Hesham Ossama Soubih, Ahmed M Al-Saed, GhazalySherif A ElSAEOrthopedic Department, Faculty of Medicine, Ain Shams University, Cairo Governorate, Egypt., Mohamed H Sobhy, Muhammad Elsayed Kamel, Wessam Fakhry Ebied, and Haitham K Haroun.
• Orthopedic Department, Faculty of Medicine, Ain Shams University, Cairo Governorate, Egypt. heshamossama826@gmail.com.
• Arch Orthop Trauma Surg. 2024 Jul 15.

BackgroundFresh osteochondral allograft transplantation is a good treatment option of cartilage defects. However, this treatment option is not available in all countries due to limited graft availability and tissue banks limitations. The purpose of this study is to assess the short term functional and imaging outcomes of fresh osteochondral allograft transplantation in the knee using the femoral head of living donors.HypothesisFresh osteochondral allografts from the femoral heads of living donors is a valid graft source for management of distal Femur cartilage defects. This technique can improve functional knee scores with good radiological outcomes.Study DesignProspective case series.MethodsFifteen patients with full thickness cartilage defects of the distal femur underwent osteochondral allograft transplantation from the femoral heads of living donors. Grafts were transplanted by both shell and multiple dowels techniques. The average follow up duration was 18.3 months (range, 12-25 months). Patients were evaluated by Lysholm and International Knee Documentation Committee (IKDC) scores, radiography and MR imaging using Osteochondral Allograft MRI Scoring System (OCAMRISS).ResultsThere was a statistically significant improvement (P < 0.001) in both Lysholm and IKDC average scores at 6 months and 12 months postoperative. Postoperative MRI was done at an average 6.8 months (range, 5-11 months) postoperative. The mean total OCAMRISS score was 3.4 (range, 1-7). A second look arthroscopy was done in four patients and showed intact articular cartilage in all three patients.ConclusionFemoral head of living donors is a valid new source for fresh osteochondral allograft transplantation of knee osteochondral lesions. Short term results showed improvement in clinical assessment scores. Follow up imaging showed graft incorporation and good MRI scores.© 2024. The Author(s).

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