经伤椎单侧椎弓根固定治疗胸腰段骨折的临床研究

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  目的:探讨后路椎弓根螺钉固定结合经伤椎单侧椎弓根固定治疗胸腰段骨折的可行性及疗效.方法:回顾性分析2007年1月至2009年5月期间我科采用后路椎弓根螺钉固定结合经伤椎单侧椎弓根固定治疗的48例胸腰段骨折患者的临床资料,其中单椎体42例,双椎体2例(均为邻近椎体),骨折脱位4例.骨折按Gertzbein综合分型,A型39例,B型5例,C型4例.脊髓神经损伤按Frankel分级,A级7例,B级5例,C级5例,D级12例,E级19例.所有患者均采用后路椎弓根螺钉固定结合经伤椎单侧椎弓根固定.结果:手术顺利,所有螺钉位置及稳定性良好,骨折复位满意,未出现脊髓神经症状加重现象,无切口感染.随访12~24个月,平均16个月,未出现内固定松动或断裂.末次随访时后凸Cobb角由术前的9°~53°(平均18.5°)矫正至-3°~14°(平均4.3°),脊柱在冠状位未出现失平衡情况,椎体前缘高度由术前正常高度的35%~92%(平均64.6%)恢复至正常高度的75%~ 100%(平均90.5%),脊髓神经功能无加重,脊髓神经功能Frankel分级,A级6例,B级3例,C级4例,D级7例,E级28例.结论:后路椎弓根螺钉固定结合经伤椎单侧椎弓根固定治疗胸腰段骨折取得良好的疗效.
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