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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 610 - 614 (5page)
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초록· 키워드
오류제보하기
Objective : The purpose of this study was to present the outcome of the microsurgical foraminotomy via Wiltse paraspinal approach for foraminal or extraforaminal (FEF) stenosis at L5-S1 level. We investigated risk factors associated with poor outcome of microsurgical foraminotomy at L5-S1 level. Methods : We analyzed 21 patients who underwent the microsurgical foraminotomy for FEF stenosis at L5-S1 level. To investigate risk factors associated with poor outcome, patients were classified into two groups (success and failure in foraminotomy). Clinical outcomes were assessed by the visual analogue scale (VAS) scores of back and leg pain and Oswestry disability index (ODI). Radiographic parameters including existence of spondylolisthesis, existence and degree of coronal wedging, disc height, foramen height, segmental lordotic angle (SLA) on neutral and dynamic view, segmental range of motion, and global lumbar lordotic angle were investigated. Results : Postoperative VAS score and ODI improved after foraminotomy. However, there were 7 patients (33%) who had persistent or recurrent leg pain. SLA on neutral and extension radiographic films were significantly associated with the failure in foraminotomy (p<0.05). Receiver-operating characteristics curve analysis revealed the optimal cut-off values of SLA on neutral and extension radiographic films for predicting failure in foraminotomy were $17.3^{\circ}$ and $24^{\circ}s$, respectively. Conclusion : Microsurgical foraminotomy for FEF stenosis at L5-S1 level can provide good clinical outcomes in selected patients. Poor outcomes were associated with large SLA on preoperative neutral (>$17.3^{\circ}$) and extension radiographic films (>$24^{\circ}$).
목차
등록된 정보가 없습니다.
참고문헌 (22)
참고문헌 신청
Baba H / 1996 / Microsurgical nerve root canal widening without fusion for lumbosacral intervertebral foraminal stenosis : technical notes and early results / Spinal Cord 34:644~650
Jung Sik Bae / 2016 / Postoperative Clinical Outcome and Risk Factors for Poor Outcome of Foraminal and Extraforaminal Lumbar Disc Herniation / 대한신경외과학회지 59(2):143~148
Chang SB / 2006 / Risk factor for unsatisfactory outcome after lumbar foraminal and far lateral microdecompression / Spine 31:1163~1167
Darden BV 2nd / 1995 / Far lateral disc herniations treated by microscopic fragment excision. Techniques and results / Spine 20:1500~1505
Donaldson WF 3rd / 1993 / Surgical treatment for the far lateral herniated lumbar disc / Spine 18:1263~1267
Jung Sik Bae / 2016 / Postoperative Clinical Outcome and Risk Factors for Poor Outcome of Foraminal and Extraforaminal Lumbar Disc Herniation / 대한신경외과학회지 59(2):143~148
Chang SB / 2006 / Risk factor for unsatisfactory outcome after lumbar foraminal and far lateral microdecompression / Spine 31:1163~1167
Darden BV 2nd / 1995 / Far lateral disc herniations treated by microscopic fragment excision. Techniques and results / Spine 20:1500~1505
Donaldson WF 3rd / 1993 / Surgical treatment for the far lateral herniated lumbar disc / Spine 18:1263~1267
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