![]() Surgical site infection was observed in one case however, pull-out of PSs or neurological deterioration was not found. Loss of correction of more than 3 mm during the follow-up period was observed in 3 cases. The mean postoperative percentage slip demonstrated significant reduction with significant neurological recovery when compared with preoperative percentage slip, and it was maintained until the latest follow-up. Good leg pain relief was achieved in all patients. Their clinical and radiological features were measured. All patients were followed up at least 12 months (mean 24 months). Thirty two consecutive patients (5 males, 27 females) surgically treated with single-level DLS in our institute using CBT were included. Despite the frequent use of CBT technique in the lumbar spine surgery, little is known of the capability of this technique to manage patients with DLS. To evaluate the capability of CBT to manage patients with DLS.ĬBT is a recently advocated, novel, less-invasive technique of lumbar pedicle screw, which provides enhanced screw purchase by maximizing the thread contact with higher density bone surface. Retrospective follow-up study on the result of surgical treatment for patients with degenerative lumbar spondylolisthesis (DLS) using cortical bone trajectory (CBT) technique. Tel: +81-7, Fax: +81-7, 4 2016 15 4 2016 10 2 238 244 19 8 2015 09 9 2015 09 9 2015 Copyright © 2016 by Korean Society of Spine Surgery 2016 This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( ) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. Department of Orthopaedic Surgery, Shiga University of Medical Science, Tsukinowa-cho, Seta, Otsu, Shiga, 520-2192 Japan. Asian Spine J Asian Spine J ASJ Asian Spine Journal 1976-1902 1976-7846 Korean Society of Spine Surgery 27114763 4843059 10.4184/asj.2016.10.2.238 Clinical Study Short-Term Clinical Result of Cortical Bone Trajectory Technique for the Treatment of Degenerative Lumbar Spondylolisthesis with More than 1-Year Follow-Up Mori Kanji Nishizawa Kazuya Nakamura Akira Imai Shinji Department of Orthopaedic Surgery, Shiga University of Medical Science, Otsu, Japan.
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