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首页> 外文期刊>Journal of Hand Surgery. American Volume >Radiographic laxity of the trapeziometacarpal joint is correlated with generalized joint hypermobility.
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Radiographic laxity of the trapeziometacarpal joint is correlated with generalized joint hypermobility.

机译：角met掌关节的放射线松弛与全身关节活动过度有关。

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摘要

PURPOSE: Increased joint laxity has been associated with the risk of ligament injury and development of osteoarthritis in large joints such as the knee, but this has not been investigated in depth in the hand. We hypothesized that generalized joint laxity would correlate with radiographic measures of trapeziometacarpal (TM) joint subluxation, as measured in carpometacarpal stress view radiographs. METHODS: We recruited volunteer subjects of all ages and examined them for generalized laxity using the Beighton-Horan index. A total of 163 subjects, 81 men and 82 women, with an average age of 48 years (range, 20-83 y), were examined. Each subject underwent a stress view radiograph of both TM joints using a previously described technique. Different examiners independently measured radial subluxation of the thumb metacarpal over the trapezium and the articular width of the thumb metacarpal and averaged them. The ratio of the radial subluxation to the articular width was calculated as a measure of radiographic TM laxity. RESULTS: The average Beighton score was 2 (range, 0-9). A total of 40 subjects had Beighton scores greater than 4. The mean stress view ratio was 0.31 (range, 0.06-0.58). When we calculated the Pearson correlation coefficient to assess the relationship between the stress view ratio and the Beighton score, a statistically significant correlation was demonstrated. CONCLUSIONS: In normal volunteers generalized joint laxity is positively correlated with increased mobility of the TM joint, as demonstrated on carpometacarpal stress view radiographs. TYPE OF STUDY/LEVEL OF EVIDENCE: Diagnostic I.
机译：目的：关节松弛的增加与韧带损伤和大关节（如膝关节）发展成骨关节炎的风险有关，但这尚未在手中进行深入研究。我们假设普遍的关节松弛与腕骨腕关节半脱位的影像学测量结果相关，如腕掌应力视野片所测。方法：我们招募了各个年龄段的志愿者受试者，并使用Beighton-Horan指数对他们的全身松弛进行了检查。总共检查了163名受试者，其中81名男性和82名女性，平均年龄为48岁（范围为20-83岁）。使用先前描述的技术，每个受试者都接受了两个TM关节的应力观察X线照片。不同的检查者独立地测量了拇指掌骨在梯形上的径向半脱位和拇指掌骨的关节宽度，并将其取平均值。计算放射状半脱位与关节宽度之比作为放射线照相TM松弛的量度。结果：Beighton平均得分为2（范围：0-9）。共有40名受试者的Beighton得分大于4。平均应力观察比率为0.31（范围为0.06-0.58）。当我们计算皮尔逊相关系数以评估压力视点比率与Beighton得分之间的关​​系时，证明了具有统计学意义的相关性。结论：在正常志愿者中，关节松驰与TM关节活动性增加呈正相关，如腕掌应力图所显示。研究类型/证据级别：诊断I。

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