分析腰椎管狭窄症患者腰痛的原因，探讨后路腰椎间融合术对腰椎管狭窄症腰痛的治疗效果。
To analyze the causes of back pain in lumbar spinal stenosis and to investigate the therapeutic effect of posterior lumbar interbody fusion (PLIF) for lumbar stenosis with severe back pain.
综述背景数据：相对于传统的开放式后路腰椎间融合术，微创后路腰椎间融合术采用旁正中入路，减少了术中出血和术后腰痛。
Summary of Background Data. Compared with conventional open PLIF, mini-open PLIF using a paramedian approach reduces intraoperative hemorrhage and decreases postoperative back pain.
方法对6例因各种原因造成的下腰椎失稳症病人行后路双BAK椎间融合术。
Methods 6 cases with lower lumbar vertebra mobilization were treated by posterior double BAK fusion technique.
Tsutsumimoto等使用MRI评估行后路腰椎体间融合术患者的多裂肌状况21。
Tsutsumimoto et al. used MRI to assess the multifidus muscle in patients treated with a posterior lumbar interbody fusion21.
治疗腰椎间盘突出症复发，在提高下腰痛评分、维持椎间高度和上一椎间隙角度方面，后路椎间融合术优于其它两手术方式。
Posterior lumbar interbody fusion is effective in increasing the improvement rates of lower back pain JOA score and maintaining the disc height and the superior intervertebral space angle.
治疗腰椎间盘突出症复发，在提高下腰痛评分、维持椎间高度和上一椎间隙角度方面，后路椎间融合术优于其它两手术方式。
Posterior lumbar interbody fusion is effective in increasing the improvement rates of lower back pain JOA score and maintaining the disc height and the superior intervertebral space angle.
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