Incidence and Risk Factors for Late Neurologic Deterioration after C3-C6 Laminoplasty for Cervical Spondylotic Myelopathy

Global Spine Journal
Hironobu SakauraTetsuo Ohwada

Abstract

Study Design Retrospective study. Objective We previously reported that the long-term neurologic outcomes of C3-C6 laminoplasty for cervical spondylotic myelopathy (CSM) are satisfactory, with reduced frequencies of postoperative axial neck pain and kyphotic deformity. However, only 20 patients were included, which is a limitation in that study. The present study investigated the incidence of late neurologic deterioration (LND) of myelopathic symptoms after C3-C6 laminoplasty for CSM and attempted to identify significant risk factors for LND in a larger patient population. Methods Subjects comprised 137 consecutive patients with CSM who underwent C3-C6 laminoplasty (bilateral open-door laminoplasty, n = 85; unilateral open-door laminoplasty, n = 52) and were followed for >24 months (mean follow-up, 70 months; range, 25 to 124 months). The patients' medical records were examined for evidence of LND due to cervical myelopathy. The age at time of surgery, sex, surgical procedures, anteroposterior spinal canal diameter at the C7 level, type of C6 spinous process, pre- and postoperative C2-C7 angle, C3-C6 range of motion (ROM), and disk height at the C6-C7 level were analyzed to identify risk factors for LND. Results Three patients ...Continue Reading

References

Jun 5, 2003·Clinical Orthopaedics and Related Research·Yoshiharu KawaguchiTomoatsu Kimura
Mar 28, 2007·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Tatsuto Takeuchi, Yasuhiro Shono
Aug 30, 2007·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Takashi TsujiKoichi Nemoto
Jul 5, 2008·Journal of Spinal Disorders & Techniques·Hironobu SakauraHideki Yoshikawa
Dec 31, 2010·Archives of Orthopaedic and Trauma Surgery·Shingo KomuraKatsuji Shimizu
Dec 18, 2013·The Spine Journal : Official Journal of the North American Spine Society·Hideki ShigematsuYasuhito Tanaka

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Citations

Jun 28, 2016·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Kevin PhanRalph J Mobbs

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