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首页> 外文期刊>Foot and ankle international >Intraoperative Torque Test to Assess Syndesmosis Instability
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Intraoperative Torque Test to Assess Syndesmosis Instability

机译：术中扭矩测试评估Syndesmosis不稳定性

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Background: In this cadaveric study, a new "torque test" (TT) stressing the fibula posterolaterally under direct visualization was compared with the classical external rotation stress test (ERT) and lateral stress test (LST). Methods: The anteroinferior tibiofibular ligament (AiTFL), the interosseous membrane (IOM), and the posteroinferior tibiofibular ligament (PiTFL) were sectioned sequentially on 10 fresh-frozen human ankles. At each stage of dissection, instability was assessed using the LST, ERT, and TT under direct visualization. Anatomical tibiofibular diastasis measurements were taken directly on cadavers and compared using the Wilcoxon signed rank test. Results: All 3 tests showed statistically significant motion in the syndesmosis when at least 2 ligaments were sectioned. The mean increase across diastasis with a 2-ligament section was 3.0 mm (P = .005), 3.2 mm (P = .005), and 4.8 mm (P = .005) for the LST, ERT, and TT, respectively. The largest mean increase in diastasis was obtained with a complete injury using the TT and was 6.2 mm (P = .008). With the TT, a 3.5-mm tibiofibular diastasis was 90% sensitive and 100% specific when 2 or more syndesmotic ligaments were sectioned. Conclusion: The TT was a more sensitive and specific tool for detecting syndesmosis instability than classic LST and ERT.
机译：背景：在该尸体研究中，与经典的外部旋转应力测试（ERT）和侧应力测试（LST）进行比较，在直接可视化下重新调节腓骨的新“扭矩测试”（TT）。方法：依次在10个新鲜冷冻的人踝关节上依次分割前腹胫骨韧带（Aitfl），侧晶膜（IOM）和后肌膜（IOM）和后凝固纤维韧带（PITFL）。在每个解剖阶段，使用LST，ERT和TT在直接可视化下评估不稳定性。将解剖学胫骨淤积皂化测量直接在尸体上进行，并使用Wilcoxon签名等级测试进行比较。结果：当切片至少2个韧带时，所有3次测试显示在Syndesmosis中显示出统计学显着的运动。用2韧带部分的延杆子的平均增加分别为3.0 mm（p = .005），3.2 mm（p = .005）和4.8 mm（p = .005），用于LST，ERT和TT。使用TT的完全损伤获得了酸性最大的平均增加，并为6.2 mm（p = .008）。通过TT，3.5毫米胫骨脂肪酸钠为90％敏感，当切片2个或更多个Syndesmotic Ligoments时，100％特异性。结论：TT是一种更敏感和特定的工具，用于检测比经典LST和ERT的Syndesmosis不稳定。

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