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논문 기본 정보

자료유형
학술저널
저자정보
Bae, Jung Sik (Department of Neurosurgery, Nanoori Hospital) Kang, Kyung Hee (Department of Radiology, Nanoori Hospital) Park, Jeong Hyun (Department of Neurosurgery, Nanoori Hospital) Lim, Jae Hyeon (Department of Neurosurgery, Nanoori Hospital) Jang, Il Tae (Department of Neurosurgery, Nanoori Hospital)
저널정보
대한신경외과학회 대한신경외과학회지 대한신경외과학회지 제59권 제2호
발행연도
2016.1
수록면
143 - 148 (6page)

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Objective : We evaluated postoperative outcomes in patients who have lumbar foraminal or extraforaminal disc herniation (FELDH) and suggested the risk factors for poor outcomes. Methods : A total of 234 patients were selected for this study. Pre- and post-operative Visual Analogue Scale (VAS) and Korean version Oswestry Disability Index (KODI) were evaluated and the changes of both score were calculated. Outcome was defined as excellent, good, fair, and poor based on Mcnab classification. The percentage of superior facetectomy was calculated by using the Maro-view 5.4 Picture Archiving Communication System (PACS). Results : Paramedian lumbar discectomy was performed in 180 patients and combined lumbar discectomy was performed in 54 patients. Paramedian lumbar discectomy group showed better outcome compared with combined discectomy group. p value of VAS change was 0.009 and KODI was 0.013. The average percentage of superior facetectomy was 33% (range, 0-79%) and it showed negative correlation with VAS and KODI changes (Pearson coefficient : -0.446 and -0.498, respectively). Excellent or good outcome cases (Group I) were 136 (58.1%) and fair or poor outcome cases (Group II) were 98 (41.9%). The percentage of superior facetectomy was 26.5% at Group I and 42.5% at Group II. There was significant difference in superior facetectomy percentage between Group I and II (p=0.000). Conclusion : This study demonstrated that paramedian lumbar discectomy with preservation of facet joints is an effective and good procedure for FELDH. At least 60% of facet should be preserved for excellent or good outcomes.

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