Abstract
Background:Poor long-term clinical results have been reported following partial and total menisectomy. To preserve the meniscus, many surgeons perform meniscal repairs when possible. However, meniscal repair for degenerative tears and white-white tears is challenging.Methods:15 patients underwent meniscal repair for degenerative and horizontal tears. Follow-up evaluation included clinical assessment and Magnetic Resonance Imaging examination. The mean follow-up time was 11.9 months (from 8 months to 13 months).Result:The healing rate on clinical assessment was 86.6% 12 months after surgery. MRI showed partial healing in 12 patients, complete healing in 1 and no healing in 2 after 12 months.Conclusion:The findings suggest that it may be possible to repair degenerative and horizontal meniscal tears.
Highlights
The meniscus does not regenerate once it has been removed because of trauma; secondary osteoarthritic changes occur due to the loss of meniscal function, including alterations in load distribution, impact absorption, and articular sliding and stabilization
The findings suggest that it may be possible to repair degenerative and horizontal meniscal tears
It is assumed that these functions are lost because insufficient nutrition is supplied to the meniscal cells in the ruptured fragments
Summary
The meniscus does not regenerate once it has been removed because of trauma; secondary osteoarthritic changes occur due to the loss of meniscal function, including alterations in load distribution, impact absorption, and articular sliding and stabilization. Many surgeons perform meniscal repairs for red-red tears and red-white tears when possible. We reported that in the ruptured fragments of trauma-injured menisci, collagen types II and III disappear first, followed by collagen type I, resulting in the abrogation of fiber construction. It is assumed that these functions are lost because insufficient nutrition is supplied to the meniscal cells in the ruptured fragments. Meniscal function of the rupture fragment cannot be maintained as most meniscal cells have disappeared; 2. Many surgeons perform meniscal repairs when possible. Meniscal repair for degenerative tears and white-white tears is challenging
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