Direct Internal Kyphectomy for Severe Angular Tuberculous Kyphosis
- 1 July 2007
- journal article
- Published by Ovid Technologies (Wolters Kluwer Health) in Clinical Orthopaedics & Related Research
- Vol. 460, 124-129
- https://doi.org/10.1097/blo.0b013e31805470db
Abstract
We describe a direct internal kyphectomy through a modified costotransversectomy, an extrapleural approach to the kyphus that does not jeopardize already compromised pulmonary function. A curved longitudinal incision is made 6 to 8 cm lateral to the midline. The posterior 5 cm of the two to three crowded ribs at the apex are resected. The segmental intercostal nerves are preserved as a guide into the spinal canal. Two to three pedicles at the apex are resected. The pleura are elevated with blunt dissection leading to the internal kyphus. Removal of the posterior half of the collapsed vertebrae is performed with a high-speed burr; the posterior walls are removed last to avoid forward migration of the dural sac as the decompression progresses. Cortical strut grafting is then performed as far anteriorly as the exposure permits. We treated five patients with paraparesis of healed disease with this approach. Preoperatively the mean kyphosis was 114°. Neurological improvement was obtained in two patients. At a mean followup of 5 years, solid anterior fusion was achieved in four patients. One patient died 5 months after surgery because of chest infection. Level of Evidence: Level IV, therapeutic study. See the Guidelines for Authors for a complete description of levels of evidence.Keywords
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