肱骨投弹骨折的特征和治疗经验

CHINESE JOURNAL OF BONE AND JOINT INJURY(2005)

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Abstract
目的分析肱骨投弹骨折的形态特征,总结治疗经验.方法对53例士兵肱骨投弹骨折,测量骨折部位、长度、螺旋角度、蝶形骨块、移位情况,分析其形态特征和不稳定因素.53例全部采用改良悬垂石膏固定.结果肱骨投弹骨折均为螺旋形骨折.81.1%(43/53)发生于肱骨中下段(Ⅲ区);96.2%(51/53)骨折长度在31~90 mm;骨折螺旋角度为285°~326°,平均303.5°;骨折短缩移位10~18 mm,远段有向内、前移位倾向;7例在内侧有一蝶形骨块.53例骨折临床愈合时间为6周,9~11周恢复训练.结论投弹骨折是肱骨中下段螺旋形骨折,属较不稳定骨折;治疗上主要纠正轴向短缩和成角移位,悬垂石膏治疗投弹骨折疗效满意.
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