Chinese Journal of Tissue Engineering Research ›› 2011, Vol. 15 ›› Issue (39): 7311-7314.doi: 10.3969/j.issn.1673-8225.2011.39.023

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Recent clinical observation in treatment of lumbar degenerative diseases with posterior lumbar interbody fusion cage and pedicle screw fixation under MAST QUADRANT expansive pipe

Sun Yu-yu, Cui Zhi-ming, Bao Guo-feng, Li Wei-dong, Xu Guan-hua, Wang Ling-ling, Cui Ying, Chu Jing-zhe   

  1. Department of Spinal Surgery, Second Affiliated Hospital of Nantong University, Nantong  226001, Jiangsu Province, China
  • Received:2011-03-31 Revised:2011-08-31 Online:2011-09-24 Published:2011-09-24
  • Contact: Cui Zhi-ming, Chief physician, Associate professor, Master’s supervisor, Department of Spinal Surgery, Second Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
  • About author:Sun Yu-yu★, Master, Physician, Department of Spinal Surgery, Second Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China baodianone@yahoo.com.cn
  • Supported by:

    the Social Development Project of Nantong City, No.S2009014*; The General Program of Jiangsu Provincial Health Bureau, No.H201051*

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Abstract:

BACKGROUND: Posterior lumbar interbody fusion for lumbar degenerative disease can restore disc height, maintain the lumbar lordosis, provide immediate stability for the lumbar spine and achieve a higher rate of interbody bone fusion.
OBJECTIVE: To explore the indications, surgical techniques and early curative effects in treatment of lumbar degenerative diseases with posterior lumbar interbody fusion cage and pedicle screw fixation under MAST QUADRANT expansive pipe.
METHODS: Thirty-two cases suffering from lumbar degenerative diseases were treated by posterior lumbar interbody fusion cage and unilateral pedicle screw fixation with MAST QUADRANT expansive pipe which was placed in 3.0 cm minimally invasive incision.
RESULTS AND CONCLUSION: There were no epidural capsule tear, injury of nerve root and great vessels after reatment. Postoperative follow-up continued over 3 months. Compared with preoperation, JOA score difference had statistical significance at 3 months after operation (P < 0.01). VAS score difference also had statistical significance at 3 months after operation (P < 0.01). Bone density on intervertebral space increased gradually on x-ray photograph. Complications including cage displacement, pseudarthrosis and internal fixation loosening did not occur.

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