ArticleArchives of orthopaedic and trauma surgery2022
Use of contralateral lateral meniscus for medial meniscal allograft transplantation: a cadaveric study.
Article in Archives of orthopaedic and trauma surgery, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeMeniscal allografts are a preferred alternative to menisectomy in cases of irrepairable meniscal tears in young patients. Biological meniscal allograft transplantation requires a cadaveric donor, limiting its availability for transplantation. We are exploring the possibility of using contralateral lateral meniscus for medial meniscal allograft transplantation, as it can be easily procured from proximal tibial cuts from total knee replacement.
methodsTen paired knees from five formalin-fixed Indian male cadavers were dissected. Outer and inner circumferences of the medial and meniscus, area of the articular surface of the medial tibial plateau covered by the native medial meniscus and transplanted lateral meniscus were noted. Measurements were taken using software ImageJ (National Institute of Health). The mean of the recordings from two independent observers was taken as the final value. Inter-observer and intra-observer reliability were also calculated.
resultsThe mean inner circumference of the medial meniscus was significantly larger than the lateral meniscus (p < 0.0001). However, outer circumferences were not significantly different from each other (p = 0.1). Area of the tibial plateau covered by the native medial meniscus was smaller than the area covered by the transplanted lateral meniscus, though the difference was not statistically significant. Inter-observer reliability and intra-observer reliability were good (ICC 0.904 and 0.927, respectively).
conclusionBased on measurements of the outer circumference of medial and lateral menisci, lateral meniscal allograft can be matched for transplantation on the contralateral medial side from the donor with same dimensions of the tibial plateau. Further clinical studies are necessary to prove the clinical significance of this cadaveric study. LEVEL OF EVIDENCE: Diagnostic study.
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