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9
Endoscopic Lumbar Discectomy with Extremely Far-Lateral Transforaminal Approach
Won-Bae Seung, M.D., Byung-Chan Jeon, M.D., Young-Su Kim, M.D., Kyo-Whang Lee, M.D., Tae-Sang Chun, M.D. and Nam-Kyu Kim, M.D.
Department of Neurosurgery, Kosin University College of Medicine, Gospel Hospital, Busan, Korea
요추간반탈출증에 대하여 극외측 접근법으로 추간공을 통한 내시경 수술
승원배, 전병찬, 김영수, 이교황, 천태상, 김남규
고신대학교 복음병원 신경외과학교실
Abstract
Objective
This study is designed to describe an extremely far-lateral transforaminal endoscopic decompression technique and outcome in the patients with lumbar disc herniations.
Methods
The authors underwent 256 posterolateral endoscopic lumbar discectomies between 1993 and 2003. Among them, a retrospective review involving 102 consecutive cases of lumbar disc herniations treated by extremely far-lateral transforaminal endoscopic discectomy was conducted. A retrospective assessment of 94 patients was performed at least 3 months after their index operation. The surgeon-performed assessment was done according to the modified Macnab criteria. The patient-performed outcome was graded according to a modified scale of 0(no pain) to 10(their index pain).
Results
The surgeon-performed assessment showed satisfactory results in 97 cases of 102 cases. The pain level dropped from 10 to 1.08 in 102 cases. The responses indicated that 89.3% of the 94 respondents were satisfied with their surgical outcome and would undergo the same endoscopic procedure again if met with a similar herniation in the future. The poor outcome occurred in 4.9% of 102 patients and 10.7% of 94 respondents were the questionnaire group. The combined major and minor complication rate was 4.9%.
Conclusion
The surgical outcome of extremely far-lateral transforaminal endoscopic discectomy for the treatment of lumbar disc herniations is comparable with the traditional open lumbar discectomy.
Keywords: Lumbar disc herniation, Endoscopic discectomy, Extremely far-lateral approach


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