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KMID : 0361620160510030221
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Journal of the Korean Orthopaedic Association
2016 Volume.51 No. 3 p.221 ~ p.230
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Lumbopelvic Fixation with Iliac Screw in Spinopelvic Dissociation
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Kim Whoan-Jeang
Shin Hyun-Min
Park Kun-Young
Sung Hwan-Il
Kwon Won-Cho
Choy Won-Sik
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Abstract
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Purpose: Spinopelvic dissociation which occurs by high energy trauma with associated fractures is rare. Treatment is difficult and only a few studies on treatment of spinopelvic dissociation have been reported. Therefore we evaluated spinopelvic dissociation patients treated with iliac screw.
Materials and Methods: We analyzed patients who underwent surgery using an iliac screw from 2005 to 2010. Preoperative radiologic classification was performed using the level of the transverse fracture line of the sacrum, shape of the fracture, and Roy-Camille classification. Neurologic evaluation was performed using Gibbons classification. Eleven patients underwent surgery with a pedicle screw in 1 level (L5 to S1) and bilateral iliac screws were added.
Results: A total of 11 patients were included in this study. The level of the transverse fracture line of the sacrum was mainly at S2, and there were mostly type 3 or 4 in Roy-Camille classification. Bony union was checked in 11 patients without metal failure. Six of 7 patients were treated by posterior decompression. Among them, 5 patients recovered from neurological deficit and 1 patient still had a sensory disorder on both lower legs.
Conclusion: The more displacement of fracture, the more neurologic deficit occurred. In addition, we think that aggressive surgical treatment for spinopelvic dissociation should be considered, because a good clinical result was achieved with 1 level (L5 to S1) fixation and bilateral iliac screw fixation.
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KEYWORD
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spinopelvic dissociation, iliac screw, sacral fracture
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