ArticleGlobal spine journal2026
Lumbar Muscle Morphology Correlates With Early Surgical Outcomes in Adolescent Idiopathic Scoliosis: A Pilot Study.
Article in Global spine journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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13 authors.
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Abstract
Study DesignOriginal Research.ObjectivesThis study aimed to evaluate the preoperative cross-sectional area (CSA) and muscle quality of the major lumbar muscles in patients with adolescent idiopathic scoliosis (AIS) and to investigate their associations with perioperative outcomes. The study also explored lumbar muscle morphology as a potential imaging-based surrogate marker for perioperative risk stratification.Materials and MethodsIn this retrospective study, 81 consecutive AIS patients who underwent posterior spinal fusion at a single institution between January 2019 and December 2023 were included. Two trained pediatric radiologists independently reviewed preoperative T1-weighted axial MRI scans at the L3 level to assess muscle CSA, Modified Goutallier grade, and threshold-based parameters of fatty infiltration. Interobserver reliability was evaluated using intraclass correlation coefficients. Multivariable linear regression analyses were performed to assess associations between muscle parameters and perioperative outcomes, adjusting for relevant covariates. Receiver operating characteristic (ROC) analysis was used to identify curve-specific muscle thresholds for perioperative risk stratification (
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