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논문 기본 정보

자료유형
학술저널
저자정보
현승재 (서울대학교) Lawrence G. Lenke (Columbia University College of Physicians and Surgeons) 김용정 (서울부민병원) Keith H. Bridwell (Department of Orthopaedic Surgery Washington University School of Medicine) Meghan Cerpa (Columbia University College of Physicians and Surgeons) Kathy M. Blanke (Department of Orthopaedic Surgery Washington University School of Medicine)
저널정보
대한척추신경외과학회 Neurospine Neurospine 제18권 제3호
발행연도
2021.9
수록면
457 - 463 (7page)
DOI
10.14245/ns.2142182.091

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Objective: To compare and identify risk factors for distal adding-on (AO) or distal junctional kyphosis (DJK) in adolescent idiopathic scoliosis (AIS) treated by anterior- (ASF) and posterior spinal fusion (PSF) to L3. Methods: AIS patients undergoing ASF versus PSF to L3 from 2000?2010 were analyzed. Distal AO and DJK were deemed poor radiographic results. New stable (SV) and neutral vertebra (NV) scores were defined for this study. The total stability (TS) score was the sum of the SV and NV scores. Results: Twenty of 42 (ASF group: 47.6%) and 8 of 72 patients (PSF group: 11.1%) showed poor radiographic outcome. Fused vertebrae, correction rate of main curve, coronal reduction rate of L3 were significantly higher in PSF group. Multiple logistic regression results indicated that preoperative SV-3 at L3 in standing and side benders (odds ratio [OR], 2.7 and 3.7, respectively), TS score -5, -6 at L3 (OR, 4.9), rigid disc at L3?4 (OR, 3.7), lowest instrumented vertebra (LIV) rotation >15° (OR, 3.3), LIV deviation >2 cm from center sacral vertical line (OR, 3.1) and ASF (OR, 13.4; p<0.001) were independent predictive factors. There was significant improvement of the Scoliosis Research Society (SRS)-22 average scores only in PSF group. Furthermore, the ultimate scores of PSF group were significantly superior to ASF group. Conclusion: The prevalence of AO or DJK at ultimate follow-up for AIS with LIV at L3 was significantly higher in ASF group. Ultimate SRS-22 scores were significantly better in PSF group.

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