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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.12
- 수록면
- 871 - 879 (9page)
- DOI
- 10.14245/ns.2142146.073
이용수
초록· 키워드
오류제보하기
Objective: The aims of this study were to describe the unilateral biportal endoscopic (UBE) technique for decompression of extraforaminal stenosis at L5?S1 and evaluate 1-year clinical outcomes. Especially, we evaluated compression factors of extraforaminal stenosis at L5?S1 and described the surgical technique for decompression in detail.
Methods: Thirty-five patients who underwent UBE decompression for extraforaminal stenosis at L5?S1 between March 2018 and February 2019 were enrolled. Clinical results were analyzed using the MacNab criteria, the visual analogue scale (VAS) for back and leg pain, and the Oswestry Disability Index (ODI). Compression factors evaluated pseudoarthrosis within the transverse process of L5 and ala of sacrum, disc bulging with or without osteophytes, and the thickened lumbosacral and extraforaminal ligament.
Results: The mean back VAS was 3.7±1.8 before surgery, which dropped to 2.3±0.8 at 1-year postoperative follow-up (p<0.001). There was a significant drop in postoperative mean VAS for leg pain from 7.2±1.1 to 2.3±1.2 at 1 year (p<0.001). The ODI was 61.5 before surgery and 28.6 (p<0.001). Pseudoarthrosis between the transverse process and the ala was noted in all cases (35 of 35, 100%). Pure disc bulging was seen in 12 patients (34.3%), and disc bulging with osteophytes was demonstrated in 23 patients. The thickened lumbosacral and extraforaminal ligament were identified in 19 cases (51.4%). No complications occurred in any of the patients.
Conclusion: In the current study, good surgical outcomes without complications were achieved after UBE decompression for extraforaminal stenosis at L5?S1.
목차
등록된 정보가 없습니다.
참고문헌 (26)
참고문헌 신청
Wiltse LL / 1984 / Alar transverse process impingement of the L5 spinal nerve: the far-out syndrome / Spine 9:31~41
Matsumoto M / 2010 / Posterior decompression surgery for extraforaminal entrapment of the fifth lumbar spinal nerve at the lumbosacral junction / J Neurosurg Spine 12:72~81
Tubbs RS / 2017 / Extraforaminal compression of the L5 nerve : an anatomical study with application to failed posterior decompressive procedures / J Clin Neurosci 41:139~143
Sasaki M / 2014 / Middle-term surgical outcomes of microscopic posterior decompression for far-out syndrome / J Neurol Surg A Cent Eur Neurosurg 75:79~83
Wiltse LL / 1988 / New uses and refinements of the paraspinal approach to the lumbar spine / Spine 13:696~706
Matsumoto M / 2010 / Posterior decompression surgery for extraforaminal entrapment of the fifth lumbar spinal nerve at the lumbosacral junction / J Neurosurg Spine 12:72~81
Tubbs RS / 2017 / Extraforaminal compression of the L5 nerve : an anatomical study with application to failed posterior decompressive procedures / J Clin Neurosci 41:139~143
Sasaki M / 2014 / Middle-term surgical outcomes of microscopic posterior decompression for far-out syndrome / J Neurol Surg A Cent Eur Neurosurg 75:79~83
Wiltse LL / 1988 / New uses and refinements of the paraspinal approach to the lumbar spine / Spine 13:696~706
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