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Morio Matsumoto 1 , Kota Watanabe 2 , Shingo Iizuka 1 , Yoshiaki Toyama 1 , Kazuhiro Chiba 1 1Department of Orthopaedic Surgery, Keio University 2Department of Advanced Therapy for Spine and Spinal Cord Disorders, Keio University Keyword: 重度側弯症 , severe scoliosis , 椎弓根スクリュー , pedicle screw , ハイブリッド法 , hybrid method pp.637-642
Published Date 2009/7/25
DOI https://doi.org/10.11477/mf.1408101538

 Twenty-six patients (3 males and 23females, mean age 14years) with a curve magnitude of more than 80 degrees were treated either with a hybrid construct (H group) or by a pedicle screw only construct (PS group). The Cobb angle of the main curve was 95.8±11.9° in the H group and 98.2±12.9° in the PS group before surgery and 53.2±18.7° and 39.4±17.4°, respectively, at follow-up (correction rate:45.2% and. 60.7%, p=0.02, respectively). Mean operation time and estimated blood loss were 512.5min and 922.9g, respectively, in the H group and 359.9min and 706.7g, respectively, in the PS group (p<0.05). The PS construct provided a better surgical outcome than the H construct as well as a shorter operation time and smaller volume of blood loss, and it is an effective surgical option for the treatment of severe scoliosis.


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

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