• Shu-gang Li, Gui-xing Qiu, Xi-sheng Weng, Ye Tian, Jin Lin, Yi-peng Wang, Jian-guo Zhang, Jin Jin, Hong Zhao, and Jian-xiong Shen.
• Department of Orthopaedics, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing 100730, China.
• Zhonghua Wai Ke Za Zhi. 2004 Dec 7; 42 (23): 1423-6.

ObjectiveTo observe early clinical efficacy of general spine system (GSS) in spondylolisthesis combined with lumbar canal stenosis, lumbar decompression, reduction and bone graft.MethodsSixteen patients with degenerative lumbar spondylolisthesis combined with lumbar canal stenosis, 10 male, 6 female, average age 58.5 years (range 42 - 72 years) underwent lumbar decompression, bone graft and internal fixation using GSS. Preoperatively 10 patients had degree I spondylolisthesis and 6 patients had degree II spondylolisthesis. Clinical efficacy, reduction effectiveness and complications were recorded.ResultsThe 16 patients in this group were followed up postoperatively for an average of 21.2 months (18 - 24 months). At latest follow-up after surgery, preoperative clinical symptoms had disappeared completely in 15 of 16 patients, and low back pain relief was seen in 15 patients. Average duration of surgery was 170 min (120 - 270 min), and average blood loss was 375 ml (100 - 800 ml). X-ray results showed complete reduction for all spondylolisthesis patients, and results remained good in follow-up. Dura mater tearing, pedical fracture, nerve injury and other surgical complication did not occur. Screw breakage, screw loosening and instrument loosening at the screw-rod juncture were not observed after surgery or in follow-up.ConclusionGSS provides good reduction for spondylolisthesis, and shows good early clinical efficacy.

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