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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
- 2017.1
- 수록면
- 278 - 284 (7page)
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Study Design: This is a prospective study that was undertaken at a single centre and involved 80 consecutive patients diagnosed with lumbar spinal stenosis (LSS). Purpose: The aim of the study was to assess the efficacy of a qualitative grading system as seen on magnetic resonance imaging (MRI) as a tool in the management of multilevel LSS. Overview of Literature: LSS diagnosis is clinical but is usually radiologically supplemented. However, there are often multilevel radiological findings with non-specific or atypical clinical features. We used a qualitative grading system to help in the decision-making process of the management of patients with multilevel LSS. Methods: 80 patients with LSS were treated with decompression and prospectively followed-up for a minimum of 12 months. All had failed conservative treatment. Qualitative grading of LSS severity was based on the dural sac in T2 weighted axial MRI images at all disc levels and was done from L1–2 to L5–S1 (n=400). Functional outcome was assessed using the Oswestry disability index (ODI). Results: The mean patient age was 56.6 years, with a gender ratio of 0.6:1. Forty patients had degenerative LSS and 40 had degenerative spondylolysthesis. A total of 178 levels were decompressed, the majority of which were L4–L5 (43.82%), followed by L5–S1 (41.57%). According to our qualitative grading system, grade D stenosis (53.93%) was decompressed most frequently, followed by grade C stenosis (41.57%). The average preoperative ODI score was 58.55%, which later reduced to 19.15%. Seventy percent of patients achieved excellent results, whereas 30% achieved good results. Conclusions: Morphological grading is a useful tool in decision making in surgery for multilevel LSS. Grade C and D stenosis should be decompressed, whereas A and B should not be, unless clinically justified.
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