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首页> 外文期刊>Foot and ankle surgery >Marsland, D., Belkoff, S.M., Solan, M.C.Biomechanical analysis of endobutton versus screw fixation after Lisfranc ligament complex sectioning
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Marsland, D., Belkoff, S.M., Solan, M.C.Biomechanical analysis of endobutton versus screw fixation after Lisfranc ligament complex sectioning

机译:Lisfranc韧带复合体切片后,内扣与螺钉固定的生物力学分析:D.Marsland,D.,Belkoff,S.M.,Solan,M.C.

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Background: Our goal was to compare diastasis after endobutton and screw fixation after Lisfranc ligament complex sectioning. Methods: Twenty-four (12 pairs) fresh-frozen cadaveric feet were assigned to endobutton or screw fixation and loaded to 343. N. Displacement (first-second metatarsal bases) was measured in intact feet and after ligament sectioning (Lisfranc, medial-intermediate cuneiform ligaments), fixation, and 10,000 cycles. Results: The mean change in diastasis for endobutton and screw fixation under initial loading was 1.0. mm (95% CI, 0.2-1.9. mm) and 0.0. mm (95% CI, -0.4 to 0.4. mm), respectively ( p= 0.017). After cyclic loading, diastasis decreased (mean, -0.7. mm, 95% CI, -1.2 to -0.1. mm) in the endobutton group but was unchanged in the screw group ( p= 0.035). Conclusions: Diastasis after endobutton fixation was significantly greater than after screw fixation under initial loading but did not increase further after cyclic loading.
机译:背景:我们的目标是比较Lisfranc韧带复杂切片后的内扣和螺钉固定后的骨转移。方法:将二十四(12对)新鲜冷冻的尸体脚指定为内扣或螺钉固定并加载至343。N.在完整的脚和韧带切片后(Lisfranc,内侧-内侧)测量位移(第一至第二meta骨基底)。中间楔形韧带),固定和10,000个循环。结果:在初始载荷下,内扣和螺钉固定的平均切开变化为1.0。毫米(95%CI,0.2-1.9。毫米)和0.0。 (95%CI,-0.4至0.4.mm),分别(p = 0.017)。循环加载后,内扣组的骨转移减少(平均,-0.7.mm,95%CI,-1.2到-0.1.mm),而螺钉组没有改变(p = 0.035)。结论:在初始载荷下,内扣固定后的显着大于螺钉固定后,但在循环载荷下没有进一步增加。

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