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Surgical Outcomes of Posterior Short Segment Pedicle Screw Fixation with or without Anterior Reconstruction for Severely Comminuted Thoracolumbar Burst Fractures Eiji Mori 1 , Itaru Yuge 1 , Keiichiro Shiba 1 , Takayoshi Ueta 1 , Takeshi Maeda 1 , Osamu Kawano 1 , Tsuneaki Takao 1 , Hiroaki Sakai 1 , Tomoyuki Shukuri 1 , Katsuhiro Kubo 1 , Muneaki Masuda 1 , Tetsuo Hayashi 1 , Kiyoshi Tarukado 1 1Department of Orthopaedic Surgery, Spinal Injuries Center Keyword: 破裂骨折 , burst fracture , 椎弓根スクリュー , pedicle screw , 手術 , surgery pp.1111-1118
Published Date 2010/12/25
DOI https://doi.org/10.11477/mf.1408101855
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 The surgical outcomes of patients treated for severely comminuted thoracolumbar burst fractures by posterior short-segment pedicle screw (PSSPS) fixation with or without anterior reconstruction were retrospectively reviewed. At the final follow-up examination the local kyphosis angle (LKA) of 1.3° and correction loss of 5.4° in the group of 27 patients treated by anterior reconstruction combined with PSSPS were significantly (p < 0.01) smaller than the 7.7° and 10.4°, respectively, in the group of 19 patients that underwent PSSPS alone. In the group treated by PSSPS alone, 7 patients had an LKA of < 5° (non-kyphosis group), and 12 patients had an LKA of ≧ 5° (kyphosis group). During the follow-up period anterior body collapse, vertebral kyphosis, and LKA were greater in the kyphosis group than in the non-kyphosis group, and the differences were significant (all p < 0.05). The mean number of fused segments in the non-kyphosis group, 2.4, was significantly greater than the mean of 2.0 in the kyphosis group (p < 0.05). Treatment by PSSPS alone could not prevent recurrent kyphosis. Surgical restoration of the height of the fractured vertebral bodies and the number of fused segments may be associated with recurrent kyphosis after treatment by PSSPS alone.


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

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