与传统修复技术相比，双环缝合修复桡骨半月板撕裂提供了良好的生物力学性能：一项生物力学研究

IF 2 Q2 ORTHOPEDICS

Journal of Experimental Orthopaedics Pub Date : 2025-07-18 DOI:10.1002/jeo2.70366

Antonio Petillo, Alessandro Di Rosa, Carmelo Burgio, Sofia Di Leonardo, Gaetano Burriesci, Francesco Bosco, Ludovico Lucenti, Lawrence Camarda

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引用次数: 0

摘要

目的桡骨半月板撕裂严重影响膝关节生物力学，如不治疗可导致关节退变。虽然存在各种缝合技术，但尚未就最佳方法达成共识。假设双环缝合可以显著减少撕裂段之间的位移，并实现比传统技术更高的最终破坏载荷。本研究旨在从生物力学角度比较传统修复技术与新型双环缝合技术，以增强拉伸强度，减少位移并改善半月板修复效果。方法对40例鲜冻猪半月板桡骨全层撕裂采用双垂直、双水平、交叉、双环缝合四种方法进行修复。生物力学测试包括循环加载（200次循环，5-19 N）和极限破坏载荷评估。测量的主要结果是循环加载后的位移，失效载荷和失效模式。采用单因素方差分析（ANOVA）来确定组间的显著差异。结果两种缝合方式中，双环缝合方式的最终失效载荷最高（111.1±17.3 N, p < 0.01）。除了双垂直缝合外，循环加载后的位移在不同技术之间最小，双垂直缝合显示出明显更高的位移。结断裂是传统缝线的主要失效模式，而双环缝线也表现出组织切割。结论双袢缝线具有较好的生物力学性能，比常规缝线具有更高的抗拉强度和稳定性。它的简单性和关节镜适用性突出了其在晚期半月板修复中的潜力。双环缝线可应用于关节镜下，改善桡骨撕裂的治疗效果。需要进一步的临床研究来证实长期疗效。证据等级四级，尸体研究。

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Double-loop suture repair of radial meniscal tears provides favourable biomechanical performance compared to conventional repair techniques: A biomechanical study

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Double-loop suture repair of radial meniscal tears provides favourable biomechanical performance compared to conventional repair techniques: A biomechanical study

Purpose

Radial meniscal tears significantly impact knee biomechanics and can lead to joint degeneration if untreated. While various suture techniques exist, no consensus has been reached on the optimal method. The hypothesis was that the double-loop suture can significantly reduce displacement between tear segments and achieve a higher ultimate failure load than conventional techniques. This study aims to biomechanically compare conventional repair techniques to a novel double-loop suture to enhance tensile strength, reduce displacement and improve meniscal repair outcomes.

Methods

Forty fresh-frozen porcine menisci with full-thickness radial tears were repaired using four techniques: double vertical, double horizontal, cross-tie and double-loop sutures. Biomechanical testing included cyclic loading (200 cycles, 5–19 N) and ultimate failure load evaluation. Key outcomes measured were displacement after cyclic loading, failure load, and failure modes. A one-way analysis of variance (ANOVA) was conducted to identify significant differences among groups.

Results

Among the evaluated techniques, the double-loop suture demonstrated the highest ultimate failure load (111.1 ± 17.3 N, p < 0.01). Displacement after cyclic loading was minimal across techniques, except for the double vertical suture, which showed significantly higher displacement. Knot breakage was the primary failure mode in conventional sutures, whereas the double-loop suture also exhibited tissue cutting.

Conclusions

The double-loop suture provides superior biomechanical performance, offering greater tensile strength and stability than conventional methods. Its simplicity and arthroscopic applicability highlight its potential for advanced meniscal repair. The double-loop suture could be applied in the arthroscopic setting, improving the outcomes for treating radial tears. Further clinical studies are needed to confirm long-term efficacy.