Abstract:
STUDY DESIGN:In this prospective study, the results of treating unstable thoracolumbar and lumbar injuries with Cotrel-Dubousset instrumentation were investigated. OBJECTIVE:To determine the pain and work status of the patients, to evaluate neurologic status, and to assess the efficacy of instrumentation in the short term. SUMMARY OF BACKGROUND DATA:Short-segment pedicle screw construct is the method of choice for reduction and stabilization of unstable thoracolumbar spinal injuries. Many investigators have recently reported a high rate of instrument failure. In this study, the use of segmental transpedicular fixation two levels above the kyphosis decreased instrument failure and sagittal collapse. METHODS:Thirty patients, who had unstable thoracolumbar and lumbar spinal injuries, underwent application from a posterior approach of Cotrel-Dubousset instrumentation two levels above and one below at the thoracolumbar junction and short segment fixation in the lumbar area. Radiologic parameters were evaluated before and after surgery. RESULTS:The mean follow up was 31 months (range, 25-49) months. There were statistically significant differences between the pre- and postoperative values in all radiologic parameters. Neurologic status improved in 70% of the patients, with a mean Frankel grade of 1.3 grades. CONCLUSIONS:Cotrel-Dubousset instrumentation provided spinal stability in unstable injuries, forming a rigid construct and restoring physiologic thoracolumbar and lumbar postural contours because of its highly corrective effect in the sagittal profile with no loss of correction.
journal_name
Spine (Phila Pa 1976)journal_title
Spineauthors
Katonis PG,Kontakis GM,Loupasis GA,Aligizakis AC,Christoforakis JI,Velivassakis EGdoi
10.1097/00007632-199911150-00011keywords:
subject
Has Abstractpub_date
1999-11-15 00:00:00pages
2352-7issue
22eissn
0362-2436issn
1528-1159journal_volume
24pub_type
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