椎弓根固定加360°融合治疗腰椎滑脱的疗效观察

目的：探讨后路腰椎管减压、短节段椎弓根固定系统复位固定和360°融合治疗腰椎滑脱症的疗效。方法：对25例腰椎滑脱患者进行腰椎管减压、短节段椎弓根固定系统复位固定和360°融合术治疗。其中Ⅰ度滑脱5例，Ⅱ度滑脱17例，Ⅲ度滑脱3例。L3滑脱3例，L4滑脱16例，L5滑脱6例。峡部裂性滑脱21例，退变性滑脱4例。结果：全部病例均获随访，随访时间6～18月，平均11月。25例术后症状均消失，X片显示完全复位11例，部分复位10例，未复位4例。1例术后出现健侧神经症状，经保守治疗1周后消失；2例出现脑脊液漏，对症处理后愈合。植骨均愈合，无内固定松动、Cage下沉及移位。根据Steffe方法评定临床结果，优13例、良8例，优良率84％。结论：后路腰椎管减压、短节段椎弓根固定系统复位固定和360°融合治疗腰椎滑脱症的疗效满意。

Clinical Analysis of Lumbar Spondylolisthesis Fixed with a Pedicle Screw and Fusion of 360 Degree

Objective:To explore curative effects of the decompressive laminectomy by posterior approach,reduction of spondylolisthesis fixed with a short segment pedicle screw and fusion of 360 degree in the treatment of lumbar spondylolisthesis.Methods:Twenty-five patients with lumbar spondylolisthesis accepted the above-mentioned operations.The grades of these lumbar spondylolisthesis consisted of degree I in five cases,degree II in seventeen and degree III in three.The sites of spondylolisthesis included L3 in thre...