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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Wook-Ha (Department of Neurosurgery, Wooridul Spine Hospital) Lee, Sang-Ho (Department of Neurosurgery, Wooridul Spine Hospital) Lee, Dong-Yeob (Department of Neurosurgery, Wooridul Spine Hospital)
저널정보
대한신경외과학회 대한신경외과학회지 대한신경외과학회지 제50권 제3호
발행연도
2011.1
수록면
201 - 204 (4page)

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Objective : To quantitatively evaluate the asymmetry of the multifidus and psoas muscles in unilateral sciatica caused by lumbar disc herniation using magnetic resonance imaging (MRI). Methods : Seventy-six patients who underwent open microdiscectomy for unilateral L5 radiculopathy caused by disc herniation at the L4-5 level were enrolled, of which 39 patients (51.3%) had a symptom duration of 1 month or less (group A), and 37 (48.7%) had a symptom duration of 3 months or more (group B). The cross-sectional areas (CSAs) of the multifidus and psoas muscles were measured at the mid-portion of the L4-5 disc level on axial MRI, and compared between the diseased and normal sides in each group. Results : The mean symptom duration was $0.6{\pm}0.4$ months and $5.4{\pm}2.7$ months for groups A and B, respectively (p<0.001). There were no differences in the demographics between the 2 groups. There was a significant difference in the CSA of the multifidus muscle between the diseased and normal sides (p<0.01) in group B. In contrast, no significant multifidus muscle asymmetry was found in group A. The CSA of the psoas muscle was not affected by disc herniation in either group. Conclusion : The CSA of the multifidus muscle was reduced by lumbar disc herniation when symptom duration was 3 months or more.

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