Chinese Journal of Clinical Anatomy >
Dynamic stabilization system between Wallis spines treatment the clinical effect of the treatment onlumbar spinal stenosis
Received date: 2013-06-19
Online published: 2014-04-21
Objective To study the clinical curative effect of dynamic stability system between the Wallis spine (hereinafter referred to as Wallis system) oon lumbar spinal stenosis. Methods From October 2010 to May 2012, Wallis system was adopted for treatment of lumbar spinal stenosis in 27 cases. The surgical duration, blood loss, postoperative hospitalization length, postoperative complications was recorded. The JOA score of low back pain, VAS score of lumbocrural pain, oswestry disability index (ODI), and the change of the intervertebral height of the surgery-corrected segment prior to surgery, 1 week, 3 week, 1 year after surgery were analyzed and compared. Results The average surgical duration was of 70 min (50~130 min), intraoperative blood loss 100 ml (30~250 m1), postoperative hospitalization length 4 days (3-7 days). No prosthetic complication such as shift, spine fractures was found postoperatively. Preoperative symptoms were reduced in all patients . Improvement was found in JOA score of low back pain, VAS score of lumbocrural pain, oswestry disability index (ODI) at 1 week postoperative, 3-month and 1-year follow-up when compared with those preoperatively. (P < 0.01). The intervertebral height of the surgery-corrected segment was larger at 1 week postoperatively than that prior to surgery. (P<0.01). No statistical significance was found in the intervertebral height of the surgery-corrected segment at 3-month and 1 year follow-up(P>0.05). Conclusion Little trauma, quick recovery, satisfactory clinical effect can be achieved y Wallis system for treatment of lumbar spinal stenosis, providing a new option.
ZHENG Xiao-Jing , GU Hong-Lin , ZHENG Chao , ZHENG Qiu-Jian , DAN Shi-Jiang , CENG Shi-Xin , CHANG Yun-Bing . Dynamic stabilization system between Wallis spines treatment the clinical effect of the treatment onlumbar spinal stenosis[J]. Chinese Journal of Clinical Anatomy, 2014 , 32(2) : 221 -224 . DOI: 10.13418/j.issn.1001-165x.2014
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