肱骨髁上骨折并发肘内翻的临床与应用解剖研究
- 摘要:
- 目的探讨儿童肱骨髁上骨折肘内翻的发生机制,以减少肱骨髁上骨折后肘内翻的发生。方法回顾性分析18例儿童肱骨髁上骨折患儿的临床资料,对2具尸体4个上肢进行大体解剖,观察局部解剖结构以及骨折时骨折远端的受力变化。结果18例中,Ⅱ型、Ⅲ型骨折中尺偏旋转型并发肘内翻比例较高;肱骨远端骨的解剖结构及牵拉前臂屈肌群,骨折远端易发生旋转移位。结论尺偏旋转型肱骨髁上骨折易发生肘内翻;前臂屈肌群肌力牵拉是形成肘内翻的内在因素。
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