• Arch Orthop Trauma Surg · Jun 2011

    Pedicle subtraction osteotomy for rigid kyphosis of the dorsolumbar spine.

    • Ashok S Gavaskar and T Naveen Chowdary.
    • Parvathy Ortho Hospital, Door No. 63A/44, Gandhi Road, Gill Nagar, Choolaimedu, Chennai, 600094 Tamil Nadu, India. gavaskar.ortho@gmail.com
    • Arch Orthop Trauma Surg. 2011 Jun 1; 131 (6): 803-8.

    MethodPedicle subtraction osteotomy is one of the well established and popular techniques for kyphosis correction. 52 patients with dorsolumbar kyphosis followed up for a minimum period of 2 years after pedicle subtraction osteotomy were assessed prospectively for clinico-radiological and functional outcomes. Unacceptable cosmesis and severe back pain were the chief complaints preoperatively.ResultsThe average kyphosis at last follow-up was 8.4° compared to preoperative kyphosis of 58°. Union at the osteotomy site was achieved in all patients, and there were no major neurological complications. All patients showed a significant improvement in all subsets of Scoliosis Research Society (SRS-30) outcome measures following the surgery.ConclusionA greater degree of kyphosis correction (>40°) can be obtained with a single pedicle subtraction osteotomy at the dorsolumbar level with minimal neurological complications.

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