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논문 기본 정보

자료유형
학술저널
저자정보
Koshi Ninomiya (Osaka University Graduate School of Medicine) Koichi Iwatsuki (Osaka University Graduate School of Medicine) Yu-Ichiro Ohnishi (Osaka University Graduate School of Medicine) Toshiki Yoshimine (Osaka University Graduate School of Medicine)
저널정보
대한척추외과학회 Asian Spine Journal Asian Spine Journal Vol.10 No.2
발행연도
2016.1
수록면
251 - 257 (7page)

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Study Design: Retrospective study. Purpose: To compare initial fixation using the cortical bone trajectory (CBT) technique versus conventional pedicle screws (PS) in radiographs of postsurgical lumbar degenerative spondylolisthesis. Overview of Literature: Few reports have documented the holding strength of CBT technique for spondylolisthesis cases. Methods: From October 2009 to June 2014, 21 cases of degenerative spondylolisthesis were surgically treated in our institution. Ten were treated with conventional PS technique and 11 of with CBT technique. Mean lumbar lordosis and percent slippage were evaluated preoperatively, immediately after surgery, and 6 months and 1 year postoperatively using radiographs. We also investigated percent loss of slip reduction. Results: There were statistically significant differences between preoperative percent slippage and postoperative slippage in both PS and CBT procedures over 1 year, and both techniques showed good slip reduction. On the other hand, lumbar lordosis did not change significantly in either the PS or CBT groups over 1 year. Conclusions: CBT technique showed similarly good initial fixation compared with the PS procedure in the treatment of lumbar degenerative spondylolisthesis.

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