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    • 尺骨鹰嘴部分切除对肘关节稳定性影响的研究

    李成,王友华,吴菊,刘璠

    Journal of Practical Orthopaedics（2008）

    Cited 1|Views15
    Abstract
    目的 探讨尺骨鹰嘴尖部截骨短缩对肘关节稳定性的影响.方法 取10具20侧男性新鲜上肢标本,随机分为四组,每组5侧标本,即尺骨鹰嘴完整组、截骨3 mm组、截骨6 mm组、截骨9 mm组,截骨在尺骨鹰嘴尖部.每组分别在肘关节屈曲30°、60°、90°、120°时,前臂加1.96 Nm力矩的情况下.测量外翻位肘外翻角度和内侧副韧带前束长度及内翻位肘内翻角度和桡侧尺副韧带长度.结果 尺骨鹰嘴尖部截骨时,于同一肘关节屈曲位,随着尺骨鹰嘴尖部截骨量增大,肘关节内侧副韧带前束的长度逐渐变长,外翻角逐渐增大,当截骨量大于3 mm上述变化差异显著,有统计学意义(P＜0.05).结论 尺骨鹰嘴尖部截骨量超过3 mm时,肘关节出现不稳定.因此临床上当尺骨鹰嘴尖部严重粉碎性骨折片不超过3 mm时,可予以手术切除,对肘关节稳定性影响不大,否则应给予修复重建.而对于尺骨鹰嘴尖部后内侧骨赘,建议仅切除骨赘或切除范围不超过正常鹰嘴尖部3 mm.
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