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腰椎滑脱导航下椎弓根螺钉植入的手术时间比较

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摘要 目的:探讨腰椎滑脱患者于计算机辅助CT影像导航下植入椎弓根螺钉对手术时间的影响。方法:58例腰5骶1滑脱需行后路椎弓根螺钉固定及椎间融合术的患者,随机分为两组,分别采用计算机导航辅助下植钉及采用解剖定位+C臂机辅助下植钉,比较两组的植钉准确率和手术时间、射线暴露时间的差异。结果:术后经CT扫描比较两组椎弓根钉位置,导航植钉组准确率显著高于传统植钉组(P=0.038<0.05),自2006年10月至2008年5月,统计两组手术植钉时间,导航植钉组手术时间(79.04±13.74)min少于传统方法植钉组(85.93±12.86)min,但无统计学意义P=0.053。但自2007年4月后,两组手术时间分别为(72.95±10.70)min和(87.14±11.23)min,有统计学差异P=0.000。计算机辅助导航植钉组的射线暴露时间较传统植钉组平均减少6.6s,P=0.000。结论:随着操作熟练度的提高,采用CT影像导航下植入腰椎滑脱患者的椎弓根螺钉能提高植钉准确率,同时不增加手术时间,减少了患者创伤。
出处 《南京医科大学学报(自然科学版)》 CAS CSCD 北大核心 2009年第9期1325-1328,共4页 Journal of Nanjing Medical University(Natural Sciences)
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