Chinese Journal of Tissue Engineering Research ›› 2012, Vol. 16 ›› Issue (17): 3087-3090.doi: 10.3969/j.issn.1673-8225.2012.17.012

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Changes of lumbar lordosis angle at the early stage after L4-5 posterior lumbar interbody fusion operation

He Ke-yun1, Li Zhi-zhong2, Li Ning-ning1, Hu Zhao-hui1, Tang Yun-peng1, Zhuo Xiang-long1, Xie Xiang-tao1   

  1. 1Department of Spinal Surgery, People’s Hospital of Liuzhou (Fifth Affiliated Hospital of Guangxi Medical University), Liuzhou  545006, Guangxi Zhuang Autonomous Region, China; 2Department of Orthopedics, First Affiliated Hospital of Jinan University, Guangzhou  510632, Guangdong Province, China
  • Received:2011-10-21 Revised:2012-02-22 Online:2012-04-22 Published:2012-04-22
  • Contact: Li Zhi-zhong, Doctor, Chief physician, Department of Orthopedics, First Affiliated Hospital of Jinan University, Guangzhou 510632, Guangdong Province, China chenzhibest@163.com
  • About author:He Ke-yun★, Master, Department of Spinal Surgery, People’s Hospital of Liuzhou (Fifth Affiliated Hospital of Guangxi Medical University), Liuzhou 545006, Guangxi Zhuang Autonomous Region, China hekeyungood@163.com

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Abstract:

BACKGROUND: It is important to observe the changes of the early lumbar lordosis angle in posterior lumbar interbody fusion (PLIF) treatment, and to analyze the clinical significance of these changes on the treatment of lumbar disc.
OBJECTIVE: To analyze the variation of lumbar lordosis angle and its clinical significance on the early postoperative of PLIF at L4-5.
METHODS: 116 patients who had undergone the surgery of PLIF were selected. They were suffering from lumbar disc herniation with stenosis disease at L4-5 or suffering from lumbar spondylolisthesis at L4. Then we measured the patients’ lumbar lordosis angle before and after operation. Forty cases had integrated follow-up information, 28 cases were suffering from lumbar disc herniation and stenosis disease at L4-5, 12 cases were suffering from lumbar spondylolisthesis at L4. Statistics of the variation of sacral inclination angle between preoperative and postoperative was analyzed during 12-
24 months follow-up.
RESULTS AND CONCLUSION: The lumbar lordosis angles preoperatien were significantly larger than those postoperation (P < 0.05). Undergoing the operation, the changing trend of lumbar lordosis angle between the lumbar spinal canal stenosis group and lumbar disc herniation group was roughly the same (P > 0.05). Before and after the surgery, the difference of lumbar lordosis angle of optimal MacNab score patients and medium and bad MacNab score patients had no statistical significance (P > 0.05). PLIF was proved to be one of the effective methods to treat the lumbar disc herniation with stenosis disease and lumbar spondylolisthesis.

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