目的探讨后路椎弓根螺钉内固定加椎体间BAK融合手术治疗低度(Ⅰ~Ⅱ度)腰椎滑脱症的临床与放射学结果的变化.方法行椎弓根螺钉内固定加椎体间融合器BAK融合者共26例.峡部不连性18例,退变性8例.L4滑脱14例、L5滑脱12例.测量所有患者的术...目的探讨后路椎弓根螺钉内固定加椎体间BAK融合手术治疗低度(Ⅰ~Ⅱ度)腰椎滑脱症的临床与放射学结果的变化.方法行椎弓根螺钉内固定加椎体间融合器BAK融合者共26例.峡部不连性18例,退变性8例.L4滑脱14例、L5滑脱12例.测量所有患者的术前、术后、最后一次随访的站立位侧位x线片,测量项目包括腰椎曲线指数(index of 1umbarspinal curvature,LCI)、L4、5、L5S1节段前凸角、全腰椎前凸角.结果排除1例未融合数据,术后融合节段的节段前凸角明显改善,且经随访后无明显丢失.术前、术后、随访时全腰椎前凸角与LCI的差别无显著性意义.结论后路椎弓根螺钉内固定加椎体间BAK融合治疗腰椎滑脱症可以有效改善并维持腰椎的正常生理曲线.展开更多
Objective To analyze complications associated with posterior lumbar interbody fusion (PLIF) in which two Bagby and Kuslich (BAK) interbody fusion cages were implanted.Methods A total of 118 patients with spondylolyt...Objective To analyze complications associated with posterior lumbar interbody fusion (PLIF) in which two Bagby and Kuslich (BAK) interbody fusion cages were implanted.Methods A total of 118 patients with spondylolytic spondylolisthesis underwent single-level PLIF using two BAK cages filled with morselized autogenous bone. The major clinical and radiographic complications were analyzed after a follow-up with an average time of 2 years and 9 months.Results Complications were divided into intraoperative and postoperative complications. Intraoperative complications mainly included dural tear (4 patients, 3.4%), nerve root injury (3 patients, 2.5%) and suboptimal cage position (9 patients, 7.5%). No death was caused by the operation. Postoperative complications chiefly consisted of cage retropulsion (3 patients, 2.5%), cage subsidence (4 patients, 3.4%), and postlaminectomy arachnoiditis (2 patients, 1.7%). Pseudarthrosis was noted radiographically with evidence of motion between adjacent vertebra on lateral flexion-extension films and luciencies around the cages (2 patient, 1.7%), continuous posterior cage migration (2 patients, 1.7%) or continuous cage subsidence (2 patients, 1.7%). Two patients died, one from a traffic accident and the other from metastatic cancer 1 year postoperatively.Conclusions The results of this study indicate that PLIF with BAK cages is an effective but also technically difficult procedure. The relatively high incidence of complications reminds us of the importance of surgical indications and proper manipulations.展开更多
文摘目的探讨后路椎弓根螺钉内固定加椎体间BAK融合手术治疗低度(Ⅰ~Ⅱ度)腰椎滑脱症的临床与放射学结果的变化.方法行椎弓根螺钉内固定加椎体间融合器BAK融合者共26例.峡部不连性18例,退变性8例.L4滑脱14例、L5滑脱12例.测量所有患者的术前、术后、最后一次随访的站立位侧位x线片,测量项目包括腰椎曲线指数(index of 1umbarspinal curvature,LCI)、L4、5、L5S1节段前凸角、全腰椎前凸角.结果排除1例未融合数据,术后融合节段的节段前凸角明显改善,且经随访后无明显丢失.术前、术后、随访时全腰椎前凸角与LCI的差别无显著性意义.结论后路椎弓根螺钉内固定加椎体间BAK融合治疗腰椎滑脱症可以有效改善并维持腰椎的正常生理曲线.
文摘Objective To analyze complications associated with posterior lumbar interbody fusion (PLIF) in which two Bagby and Kuslich (BAK) interbody fusion cages were implanted.Methods A total of 118 patients with spondylolytic spondylolisthesis underwent single-level PLIF using two BAK cages filled with morselized autogenous bone. The major clinical and radiographic complications were analyzed after a follow-up with an average time of 2 years and 9 months.Results Complications were divided into intraoperative and postoperative complications. Intraoperative complications mainly included dural tear (4 patients, 3.4%), nerve root injury (3 patients, 2.5%) and suboptimal cage position (9 patients, 7.5%). No death was caused by the operation. Postoperative complications chiefly consisted of cage retropulsion (3 patients, 2.5%), cage subsidence (4 patients, 3.4%), and postlaminectomy arachnoiditis (2 patients, 1.7%). Pseudarthrosis was noted radiographically with evidence of motion between adjacent vertebra on lateral flexion-extension films and luciencies around the cages (2 patient, 1.7%), continuous posterior cage migration (2 patients, 1.7%) or continuous cage subsidence (2 patients, 1.7%). Two patients died, one from a traffic accident and the other from metastatic cancer 1 year postoperatively.Conclusions The results of this study indicate that PLIF with BAK cages is an effective but also technically difficult procedure. The relatively high incidence of complications reminds us of the importance of surgical indications and proper manipulations.