慢性踝关节不稳患者视觉使用增加：一项荟萃分析。
Increased Visual Use in Chronic Ankle Instability: A Meta-analysis.
机构信息
1Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, Chapel Hill, NC; 2Human Movement Science Curriculum, University of North Carolina at Chapel Hill, Chapel Hill, NC; 3Department of Kinesiology, University of North Carolina at Charlotte, Charlotte, NC; and 4Department of Kinesiology, University of Virginia, Charlottesville, VA.
出版信息
Med Sci Sports Exerc. 2016 Oct;48(10):2046-56. doi: 10.1249/MSS.0000000000000992.
PURPOSE
The underlying cause of balance impairments in chronic ankle instability (CAI) patients remains unknown, but an altered use of sensory information has been hypothesized as a potential cause. The purpose of this systematic review with meta-analysis was to determine whether CAI patients use somatosensory information to the same extent as uninjured controls during static single limb stance.
METHODS
We searched PubMed, CINAHL, SPORTDiscus, and Scopus databases from origin to March 2016 using the combination of key words, including postural control, postural stability, single limb stance, single leg stance, single leg balance, single limb balance, and time to boundary (TTB). Eligible studies had to include instrumented single leg stance with both eyes open and eyes closed in healthy, CAI, or both groups as well as report TTB mean and SD values.
RESULTS
A total of 11 articles were identified. Effect sizes using eyes closed to eyes open standardized mean differences and 95% confidence intervals were calculated for all studies that were included in this investigation. Similarly, pooled estimates for each TTB outcome were compared between the CAI and the uninjured control groups. The mean (95% confidence interval) of the mediolateral TTB (control: -1.50 [-1.71 to -1.29]; CAI: -2.04 [-2.31 to -1.77]), anterioposterior mean (control: -2.19 [-2.43 to -1.96]; CAI: -2.82 [-3.13 to -2.52]), and anterioposterior SD (control: -1.81 [-2.03 to -1.58]; CAI: -2.50 [-2.79 to -2.22]) did not overlap, indicating significant differences between two groups.
CONCLUSION
On the basis of our systematic review with meta-analysis, it appears that CAI patients do not use somatosensory information to the same extent as uninjured controls and instead upregulate the use of visual information during single limb stance.
目的
慢性踝关节不稳定（CAI）患者平衡障碍的根本原因尚不清楚，但据推测，感觉信息的改变可能是一个潜在原因。本系统评价的目的是通过荟萃分析来确定 CAI 患者在静态单腿站立时是否与未受伤的对照组一样使用本体感觉信息。
方法
我们从起源到 2016 年 3 月在 PubMed、CINAHL、SPORTDiscus 和 Scopus 数据库中使用包括姿势控制、姿势稳定性、单腿站立、单腿站立、单腿平衡、单腿平衡和边界时间（TTB）等关键词的组合进行了搜索。符合条件的研究必须包括双眼睁开和闭眼的仪器化单腿站立，并且包括健康组、CAI 组或两组，以及报告 TTB 平均值和标准差值。
结果
共确定了 11 篇文章。对所有纳入本研究的研究，使用闭眼到睁眼的标准化均数差值和 95%置信区间计算了效应量。同样，比较了 CAI 组和未受伤对照组之间的每个 TTB 结果的汇总估计值。中侧 TTB（对照组：-1.50[-1.71 至-1.29]；CAI：-2.04[-2.31 至-1.77]）、前-后 TTB（对照组：-2.19[-2.43 至-1.96]；CAI：-2.82[-3.13 至-2.52]）和前-后 TTB 的平均值（对照组：-1.81[-2.03 至-1.58]；CAI：-2.50[-2.79 至-2.22]）的平均值没有重叠，表明两组之间存在显著差异。
结论
根据我们的系统评价和荟萃分析，CAI 患者在单腿站立时似乎没有像未受伤的对照组那样使用本体感觉信息，而是增加了对视觉信息的使用。
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