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首页> 外文期刊>Journal of orthopaedics and traumatology: official journal of the Italian Society of Orthopaedics and Traumatology >Meniscal sutures: biomechanical study of “mulberry” and horizontal loop techniques
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Meniscal sutures: biomechanical study of “mulberry” and horizontal loop techniques

机译：半月板缝合线：“桑树”和水平环技术的生物力学研究

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This in vitro biomechanical study tested the pullout strength of meniscal repair in human menisci using two different biodegradable suture techniques: the “mulberry” and the horizontal loop. Fifty-five human menisci were used, to which a longitudinal tear of 1.5 cm was applied. If the thread broke or the knot was pulled inside the suture, as happened with the mulberry technique, the repair was considered a failure. Furthermore, we evaluated possible lesions of the meniscus due to changes the structural properties caused by the suture, leading to the loss of elastic return. The results showed there was a statistically significant difference between the two suture techniques used and the unsutured menisci. Furthermore, five menisci with vertical sutures were analyzed for which the breakup loads were superior to the breakup loads of the mulberry suture and the horizontal loop suture. Nevertheless, the load strengths with respect to elastic return were similar to those of the mulberry and the horizontal loop techniques. Finally, in five menisci, we analyzed the suture–healthy meniscus interface, and found breakup values similar to those of the unsutured meniscus. Our results show the need to perform meniscal sutures and the futility of sutures that are intended to withstand elevated loads such as traction strengths of 30 N, as these produce irreparable secondary lesions that alter the histological structure of the meniscus and prevent healing.
机译：这项体外生物力学研究使用两种不同的可生物降解缝合技术：“桑树”和水平环，测试了人类半月板半月板修复的抗拉强度。使用了五十五个人的半月板，对其施加了1.5厘米的纵向撕裂。如果像桑树技术那样发生断线或将结打结在缝合线内的情况，则认为修复失败。此外，我们评估了由于缝合线引起的结构特性改变，导致弹性回程的损失，可能导致的半月板损伤。结果表明，所使用的两种缝合技术与未缝合的半月板之间存在统计学上的显着差异。此外，分析了五个具有垂直缝合线的半月板，其弯折载荷优于桑树缝合线和水平环形缝合线的断裂载荷。然而，关于弹性回复的负载强度与桑树和水平环技术相似。最后，在五个半月板中，我们分析了缝合线-健康的半月板界面，发现破裂值类似于未缝合的半月板。我们的结果表明，需要进行半月板缝合，而旨在承受诸如30 N以上的牵引力之类的高负荷缝合的缝合线是徒劳的，因为这些缝合线会产生不可修复的继发性病变，从而改变半月板的组织学结构并阻止愈合。

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