腰椎退行性滑脱症的治疗探讨

目的 探讨腰椎管减压、SP内固定器及后外侧植骨融合治疗不稳定型腰椎退行性滑脱症的临床疗效.方法 对21例腰椎退行性滑脱症患者行后方入路腰椎管减压、SP内固定器固定、后外侧植骨融合.比较手术前后临床症状改善和X线片滑脱复位程度进行疗效评定.结果 21例患者临床症状均明显改善.16例Ⅰ度滑脱术后X线片检查证实完全复位;5例Ⅱ度滑脱,4例完全复位,1例部分复位.手术优良率85.7％.术后无发生神经系统并发症及感染.结论 SP内固定器治疗腰椎退行性滑脱症复位满意,疗效良好.

Treatment of degenerative lumbar spondylolisthesis

Objective To investigate the clinical efficacy of unstable degenerative lumbar spondylolisthesis（DLS） with spinal decompression intertransverse bone grafting and internal fixation with SP instrument. Methods 21 cases of posterior approach decompression, bone grafting fusion and internal fixation were performed for treatment of patients with DLS. Evaluation efficacy was compared in the improvement of clinical symptoms and degree of reduction of spondylolisthesis with the X Ray before and after operation. Results All patients were followed up for an average of 16.2 months after operation. Clinical symptoms were basically in 21 cases. The complete reduction of spondylolisthesis was 4, among 5 cases spondylolisthesis with Ⅱ degree, there was no complieation such as injury of Nevous system or infection. Conclusion The therapeutie is satisfactory for DLS in the early follow-up period.