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논문 기본 정보

자료유형
학술저널
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Kim, Hyeun-Sung (Department of Neurosurgery, Mok-Po Han Kook Hospital) Park, Sung-Keun (Department of Neurosurgery, Mok-Po Han Kook Hospital) Joy, Hoon (Department of Neurosurgery, Mok-Po Han Kook Hospital) Ryu, Jae-Kwang (Department of Neurosurgery, Mok-Po Han Kook Hospital) Kim, Seok-Won (Department of Neurosurgery, School of Medicine, Chosun University) Ju, Chang-Il (Department of Neurosurgery, School of Medicine, Chosun University)
저널정보
대한신경외과학회 대한신경외과학회지 대한신경외과학회지 제44권 제1호
발행연도
2008.1
수록면
8 - 14 (7page)

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Objective : The purpose of this study was to determine the efficacy of short segment fixation following postural reduction for the re-expansion and stabilization of unstable burst fractures in patients with osteoporosis. Methods : Twenty patients underwent short segment fixation following postural reduction using a soft roll at the involved vertebra in cases of severely collapsed vertebrae of more than half their original height. All patients had unstable burst fracture with canal compromise, but their motor power was intact. The surgical procedure included postural reduction for 2 days and bone cement-augmented pedicle screw fixations at one level above, one level below and the fractured level itself. Imaging and clinical findings, including the level of the vertebra involved, vertebral height restoration, injected cement volume, local kyphosis, clinical outcome and complications were analyzed. Results : The mean follow-up period was 15 months. The mean pain score (visual analogue scale) prior to surgery was 8.1, which decreased to 2.8 at 7 days after surgery. The kyphotic angle improved significantly from $21.6{\pm}5.8^{\circ}$ before surgery to $5.2{\pm}3.7^{\circ}$ after surgery. The fraction of the height of the vertebra increased from 35% and 40% to 70% in the anterior and middle portion. There were no signs of hardware pull-out, cement leakage into the spinal canal or aggravation of kyphotic deformities. Conclusion : In the management of unstable burst fracture in patients with severe osteoporosis, short segment pedicle screw fixation with bone cement augmentation following postural reduction can be used to reduce the total levels of pedicle screw fixation and to correct kyphotic deformities.

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