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  • Title: Long-term results after combined medial meniscal allograft transplantation and anterior cruciate ligament reconstruction: minimum 8.5-year follow-up study.
    Author: Graf KW, Sekiya JK, Wojtys EM, Department of Orthopaedic Surgery, University of Michigan Medical Center, Ann Arbor, Michigan, USA.
    Journal: Arthroscopy; 2004 Feb; 20(2):129-40. PubMed ID: 14760344.
    Abstract:
    PURPOSE: The purpose of this study was to evaluate the long-term results after medial meniscal allograft transplantation combined with anterior cruciate ligament (ACL) reconstruction. TYPE OF STUDY: Retrospective clinical outcome study. METHODS: Between 1990 and 1992, 9 medial meniscal allograft transplantations were performed in symptomatic knees with a previous total or near-total medial meniscectomy. One of the 9 patients required transplant removal postoperatively because of a presumed low-grade infection versus immune reaction. The remaining 8 patients were evaluated, with an average follow-up time of 9.7 years. All 8 patients underwent an ACL reconstruction. One patient also had a staged high tibial osteotomy. RESULTS: All 8 patients were evaluated with the standard International Knee Documentation Committee (IKDC) form with no normal scores: 1 had a nearly normal score, 4 had abnormal scores, and 3 severely abnormal scores. The IKDC symptoms evaluation produced 2 normal scores, 5 nearly normal scores, and 1 abnormal score. The IKDC function test showed 5 normal scores, 1 nearly normal score, and 2 abnormal scores. Six of the 8 patients were extremely pleased with the function of the knee and were active in recreational sports. All 8 patients would recommend the procedure to a friend and would undergo the procedure again given similar circumstances. CONCLUSIONS: The findings of this study agree with several other studies with shorter follow-up times that medial meniscal allograft transplantation can significantly improve knee function in symptomatic medial meniscus-deficient knees. The addition of a ligament-stabilizing procedure probably improved the results in this patient population. LEVEL OF EVIDENCE: Level IV, Case Series.
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