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CUI Hushan,LI Guanghao,ZHENG Bingzhou.Transcorporeal anterior cervical microforaminotomy for cervical radiculopathy[J].Chinese Journal of Spine and Spinal Cord,2014,(1):48-52. |
Transcorporeal anterior cervical microforaminotomy for cervical radiculopathy |
Received:March 15, 2013 Revised:December 06, 2013 |
English Keywords:Cervical radiculopathy Transcorporeal Foraminotomy |
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English Abstract: |
【Abstract】 Objectives: To investigate the effectiveness of transcorporeal anterior microforaminotomy for cervical radiculopathy. Methods: Between July 2008 and July 2010, 12 patients underwent transcorporeal anterior microforaminotomy due to cervical radiculopathy. Among them, there were 7 males and 5 females, with a mean age of 49 years(range, 35-68 years). The levels included C5/6 in 4 cases, C6/7 in 5 cases and C7/T1 in 3 cases. The pathogenesis included soft nucleus pulposus herniation in 3 cases, uncovertebral joint osteoproliferation in 7 cases and the calcification of protruded nucleus pulposus in 2 cases. During surgery, after soft tissue dissection, the entry point of drilling was determined on the upper vertebra of the diseased level under a spine surgical microscope. A hole about 6mm in diameter was made by using a high-speed air drill via the marked entry point. Drilling was conducted through the vertebral body to reach the lesion and subsequent decompression was performed. Before surgery and at last follow-up, neck disability index(NDI), visual analogue scale(VAS) for upper-extremity pain and the height of affected disc space were measured. Results: The mean operation time was 86±6min(range, 56-110min), and the mean intraoperative blood loss was 92±8ml(range, 40-120ml). No complication such as vertebral artery injury, Horner′s syndrome or recurrent laryngeal nerve palsy was observed. The mean follow-up duration was 15.8±1.3 months(range, 12-23 months). The mean preoperative VAS score of the upper limb was 8.5±0.5 points(range, 7-10 points), while the mean VAS score at final follow-up was 1.4±0.2 points(range, 0-3 points), which showed significant difference(P<0.05). The mean preoperative NDI was 26.4±1.3 points(range, 22-31 points), while the mean postoperative NDI was 4.2±0.6 points(range, 3-8 points), the difference was significant(P<0.05), the rate of improvement was 84.1%. The mean preoperative disc height was 5.4±0.7mm(range, 4.2-6.1mm), and the mean disc height at final follow-up was 4.9±0.7mm(range, 3.6-5.8mm), which showed no difference(P>0.05). The postoperative satisfaction rate was 100%. Conclusions: Transcorporeal anterior cervical microforaminotomy is minimal invasive to the disc, which is an effective procedure for unilateral cervical radiculopathy. |
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