内镜辅助微创入路人工腰椎间盘置换术的临床效果及矢状平衡分析

被引:9
作者
徐宝山 [1 ]
Le Huec JeanCharles [2 ]
夏群 [1 ]
胡永成 [1 ]
机构
[1] 天津医院脊柱外科
[2] 法国波尔多大学医院脊柱外科
关键词
腰椎; 椎间盘; 假体和植入物; 内窥镜检查;
D O I
暂无
中图分类号
R686 [筋腱、韧带、滑囊疾病及损伤];
学科分类号
100220 [骨科学];
摘要
目的探讨内镜辅助微创入路人工腰椎间盘置换术的临床效果及对矢状平衡的影响。方法采用内镜辅助微创入路 Maverick 人工腰椎间盘置换术治疗腰椎间盘退变性疾病135例。术前 MR检查评估小关节和椎旁肌退变程度;术前和随访时均摄腰椎正侧位、过伸过屈位及包括双侧股骨头的站立位脊柱全长正侧位 X 线片,测量假体位置和活动度、矢状平衡参数。结果术后随访2~5年,平均3.5年。一个间隙手术时间平均60 min,术中出血平均170 ml。输尿管损伤1例,术中修补后效果好,交感神经损伤5例,术后神经根性痛4例,切口浅表感染1例,保守治疗后均好转。末次随访时 Oswestry评分由术前平均46.6%±12.0%降至23.2%±19.0%;腰痛和腿痛视觉类比评分(visual analogue scale,VAS)分别由术前平均7.6±2.3和3.6±3.0降至2.7±2.5和1.9±2.5。末次随访时间盘置换节段活动度平均7.5°±5.2°,节段性前凸较术前增加,但相邻节段前凸代偿性减少,腰椎前凸轻度增大,维持矢状平衡。L4-5椎间盘置换同时行 L5S1前路融合者 L4,5前凸增大不明显;L5S1椎间盘置换者骨盆指数平均降低1.7°;骶骨上终板倾角<35°者末次随访时平均增大2.1°,>45°者平均减少3.8°。结论内镜辅助微创入路Maverick 人工腰椎间盘置换术在严格掌握适应证的情况下能取得良好的临床效果,保留椎间活动度,恢复和保持脊柱矢状平衡,间盘置换节段一般前凸增加,但受相邻节段融合手术的影响。
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