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Lower Preoperative JOA Score, Higher Age, and Longer Duration of Symptoms Prior to Surgery Are Associated with a Poorer Outcomes of Laminoplasty for Cervical Myelopathy Hiroshi Takei 1 , Hiroshi Hasegawa 1 , Yoshio Ota 2 , Masahiro Hayashi 3 , Minoru Yokota 4 , Kazuya Owashi 5 , Tomokazu Ito 6 , Masaaki Sagae 1 , Hayato Sasaki 7 , Fumiaki Goto 3 , Junichi Hashimoto 1 , Katsushi Chiba 6 , Takashi Furukawa 1 , Kazuhiko Ishikawa 2 , Makoto Sugita 7 , Hideaki Utsumi 5 , Toshihiko Ogino 1 1Department of Orthopaedic Surgery, Yamagata University School of Medicine 2Department of Orthopaedic Surgery, Miyukikai Hospital 3Department of Orthopaedic Surgery, Okitama Public General Hospital 4Department of Orthopaedic Surgery, Yamagata Prefectural Kahoku Hospital 5Department of Orthopaedic Surgery, Sakata Municipal Hospital 6Department of Orthopaedic Surgery, Yamagata Saisei Hospital 7Department of Orthopaedic Surgery, Sanyudo Hospital Keyword: cervical myelopathy , 頚部脊髄症 , open-door laminoplasty , 脊柱管拡大術 , surgical results , 手術成績 pp.1049-1055
Published Date 2006/10/1
DOI https://doi.org/10.11477/mf.1408100955
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 The relationship between age, preoperative morbidity, and duration of symptoms prior to surgery and the surgical outcomes of open-door laminoplasty was investigated in 247 patients with cervical myelopathy. Age was significantly negatively correlated with pre-and post-operative JOA scores and recovery rate. The duration of symptoms prior to surgery was negatively correlated with the recovery rate. The preoperative JOA scores were strongly correlated with the postoperative JOA scores. A multiple regression analysis that included data on age, duration of symptoms prior to surgery, and the preoperative JOA score generated a regression equation that could predict the postoperative JOA score. Lower preoperative JOA score, higher age, and longer duration of symptoms prior to surgery were associated with poor outcomes of laminoplasty. To maintain postoperative patients' QOL, surgery should not be delayed.


Copyright © 2006, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1286 印刷版ISSN 0557-0433 医学書院

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