Plate Fixation of Expansive Open-Door Laminoplasty Decreases the Incidence of Postoperative C5 Palsy

Clinical Spine Surgery : a Spine Publication
Yoshiomi KobayashiKota Watanabe

Abstract

Retrospective study. To compare outcomes for plate fixation versus suture suspension in expansive open-door laminoplasty (ELAP) for cervical spondylotic myelopathy (CSM). C5 palsy and laminar closure have been reported to occur after ELAP when suture suspension is used to anchor the opened lamina. We assessed 174 patients with CSM who were treated by ELAP using either suture suspension (114 patients, mean age 63.3 y, 83 men and 31 women, mean follow-up 12.0 mo) or laminoplasty plate (60 patients, mean age 65.6 y, 45 men and 15 women, mean follow-up 12.6 mo) to maintain the position of the opened laminae. We compared clinical outcomes, radiographic findings, and complications between the 2 groups. Mean Japanese Orthopaedic Association scores had improved significantly for both groups at the final follow-up (P<0.001), with similar recovery rates: scores improved from 10.8±2.8 to 13.4±2.8 points in the suture-suspension (SS) group and from 11.3±2.7 to 13.6±2.2 points in the laminoplasty plate (LP) group. The incidence of C5 palsy was significantly higher in the SS group (7.9%) than in the LP group (1.7%; P<0.05). Computed tomography (CT) showed larger mean angles of the opened laminae in the SS group compared with the LP group (P<...Continue Reading

References

Oct 24, 2002·Spine·Kazuhiro ChibaKiyoshi Hirabayashi
Jul 29, 2004·Journal of Spinal Disorders & Techniques·Andrew E Park, John G Heller
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
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Sep 6, 2011·The Spine Journal : Official Journal of the North American Spine Society·Hai-Qiang WangKenneth M C Cheung

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Citations

Oct 15, 2019·Neurospine·Kiyoshi Hirabayashi, Kota Watanabe
Apr 19, 2021·Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association·Satoshi NoriKota Watanabe
Sep 24, 2021·Spinal Cord Series and Cases·Morito TakanoKota Watanabe

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