alexa Revision surgery for posterior stabilized thoracolumbar fracture using mini-open anterior approach and expandable cage.
Neurology

Neurology

International Journal of Neurorehabilitation

Author(s): Zhao J, Schaser KD, Zhang F

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Abstract OBJECTIVE: To evaluate the surgical techniques and outcomes of revision surgery for compromised posterior stabilization or insufficient neurological decompression using anterior mini-open approach and expandable cage. METHODS: From August 2005 to June 2008, a total of 235 patients were operated on in our center for thoracolumbar fractures with dorsal transpedicular stabilization. Twenty-six of these patients underwent revision surgery, the main reasons being back pain and stagnant neurological recovery. The surgical procedure comprised a single-level thoracolumbar corpectomy and/or canal clearance, followed by an expandable cage reconstruction. The average interval between primary and revision surgery was 5 months (range, 3-11 months). A transthoracic (n= 11) or transthoracic transdiaphragmatic (n= 15) mini-open approach was conducted using a table-mounted retractor. RESULTS: The operating time averaged 105 min (range, 95-135 min) for the transthoracic approach and 152 min (range, 120-190 min) for the transthoracic plus transdiaphragmatic approach. The overall mean blood loss was 780 ml (range, 550-1700 ml). Over time, the pre-operative neurological deficit improved in 6/7 patients by at least one Frankel/American Spinal Injury Association (ASIA) grade. On a visual analogue scale (VAS) from 0 to 10, the mean local thoracolumbar back pain was relieved significantly from 6.8 before operation to 3.8 at 3 months, 2.4 at 6 months, and 1.5 at 12 months postoperatively. None of the patients developed intercostal neuralgia or post-thoracotomy pain syndromes. CONCLUSION: For patients with compromised stabilization or insufficient neurological decompression after primary dorsal transpedicular stabilization for thoracolumbar fracture, anterior revision surgery can produce good results. The mini-open anterior approach for corpectomy in the thoracolumbar spine is safe, reliable, and economical. The expandable cage is an excellent alternative for anterior reconstruction. © 2010 Tianjin Hospital and Blackwell Publishing Asia Pty Ltd. This article was published in Orthop Surg and referenced in International Journal of Neurorehabilitation

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