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find Author "SHAO Ming." 1 results
  • A COMPARATIVE STUDY OF ANTERIOR DECOMPRESSION APPROACH BY USING CERVICAL RETRACTORSYSTEMS AND TRADITIONAL SURGICAL APPROACH TO TREAT CERVICAL SPONDYLOSIS

    To compare and evaluate the whole effect of anterior decompression approach to treat cervical spondylotic myelopathy by using cervical retractor systems and the traditional surgical approach. Methods From April 2001 to August 2004, group A included 30 males and 23 females aging from 31 to 69 years, and the involved time was from 7 months to 15 years. Involved segments included 22 one-segments, 24 two-segments and 7 three-segments. In all 53 cases, anterior windowing decompression and fusion with autograft and titanium plate internal fixation by using traditionalcircular saw were performed. Group B included 48 males and 20 females aging from 33 to 74 years, and the involved time was from 5 months to 18 years. Involved segments included 23 one-segments, 34 two-segments and 11 three-segments. In all 68 cases, anterior undermined far-reaching decompression and fusion with autograft and titanium plate internal fixation by using removing disc merely in the single-level or separately in the multilevels employing self-retractor and Caspar cervical retractor systems via interspinal approach were performed. X-rays and MRI showed cervical disc degeneration, herniation and spinal cord compression. The surgery time, loss of blood, vertebral body fusion time, difference in height of involved segments preor postoperatively and compl ications were counted up and compared between the two groups. Improvement rate of spinal function pre- or postoperatively were valued by using JOA score. Results A total of 92 cases including 42 of group A and 50 of group B were followed up for 3 to 5 years, mean 3.5 years. In group A, surgery time, loss of blood, time of vertebral body fusion, difference in height of involved segments pre- or postoperatively, and improvement ratio of spinal function were(76.80 ± 28.41) min,(564.00 ± 181.96) mL,(12.10 ± 3.58) weeks, (1.30 ± 0.67) mm and 0.49% ± 0.14%, respectively. In group B, they were(57.90 ± 15.01) min,(317.50 ± 136.92) mL,(9.75 ± 1.36) weeks, (3.00 ± 0.56) mm and 0.71% ± 0.17% , respectively. The differences between the two groups were significant in all measured values(P lt; 0.05). Compl ications occurred in 7 cases ofgroup A including 1 spinal cord injury, 1 plate displacement, 1 bonegraft displacement and 4 disfunctions of il iac region. No compl ication happened in group B. Conclusion Anterior decompression approach using cervical retractor systems is significantly superior to the traditional approach as to the whole effect to treat cervical spondylotic myelopathy, and furtherperfects the traditional anterior decompression approach. The modified approach is scientific, safe and easily spread.

    Release date:2016-09-01 09:12 Export PDF Favorites Scan
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