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논문 기본 정보

자료유형
학술저널
저자정보
Yinyu Fang (Division of Spine Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Medical School, Nanjing University) Jie Li (Division of Spine Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Medical School, Nanjing University) Zongshan Hu (1 Division of Spine Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Medical School, Nanjing University) Yong Qiu (Division of Spine Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Medical School, Nanjing University) Zhen Liu (Division of Spine Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Medical School, Nanjing University)
저널정보
대한척추신경외과학회 Neurospine Neurospine Vol.21 No.3
발행연도
2024.9
수록면
903 - 912 (10page)
DOI
10.14245/ns.2448544.272

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초록· 키워드

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Objective: To explore the changes in coronal imbalance (CIB) in Lenke 5C adolescent idiopathic scoliosis (AIS) after posterior selective fusion surgery and determine their implications for surgical decision-making. Methods: One hundred twenty patients were categorized according to the preoperative coronal pattern (type A, coronal balance distance [CBD] < 20 mm; type B, CBD ≥ 20 mm and coronal C7 plumbline [C7PL] shifted to the concave side of the curve; type C, CBD ≥ 20 mm and C7PL shifted to the convex side of the curve). CIB group (CIB+) was defined as having a CBD ≥ 20 mm at the 2-year follow-up. Results: Compared to type A patients, the prevalence of postoperative CIB was higher in type C patients both immediately postoperative (22% vs. 38%, p < 0.05) and at the final follow-up (5% vs. 29%, p < 0.05), whereas type A patients showed a greater improvement in CBD (9 of 12 vs. 6 of 24, p < 0.05) at the final follow-up. The majority of patients in all groups had recovered to type A at the final follow-up (96 of 120). The proximal Cobb-1 strategy reduced the incidence of postoperative CIB (1 of 38) at the 2-year follow-up, especially in preoperative type C patients. Multivariate logistic regression analysis revealed that type C and overcorrection of the thoracolumbar curve were risk factors for CIB at the 2-year follow-up (p = 0.007 and p = 0.026, respectively). Conclusion: Patients with type C CIB in AIS exhibited unsatisfactory restoration, with 29% of them exhibiting CIB at the final follow-up. The selective fusion strategy of proximal Cobb-1 may reduce the risk of postoperative CIB especially when the preoperative coronal pattern is type C.

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