胸腰椎骨折伤椎形态与矫正丢失相关性分析

Journal of Clinical Orthopaedics(2018)

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Abstract
目的 探讨胸腰椎骨折伤椎形态特征与椎弓根螺钉内固定术后矫正丢失的相关性.方法 对手术治疗的27例胸腰椎骨折患者测量伤椎术前、术后(指术后3 d内)及末次随访的伤椎前缘高度、椎体凹陷度以及Cobb角.分析伤椎形态与矫正丢失的相关性.结果 患者均获得随访,时间9~12个月.末次随访时,伤椎前缘高度丢失0~9.64% (3.31%±4.50% ),Cobb角丢失0.13°~14.1°(4.16°±4.19°). Pearson相关性分析显示,伤椎前缘高度随访丢失率与术后伤椎椎体凹陷度呈显著正相关 (r=0.46, P<0.01),Cobb角随访丢失度与术后Cobb角矫正度呈显著正相关 (r=0.54,P<0.01).结论 术后存在伤椎椎体终板塌陷患者末次随访伤椎前缘高度丢失更显著;术后Cobb角矫正度越大,末次随访Cobb角矫正丢失越多.
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Key words
thoracolumbar fractures,loss of correction,vertebral height,Cobb angle
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