• Eur Spine J · Feb 2013

    Clinical and radiographic parameters that distinguish between the best and worst outcomes of scoliosis surgery for adults.

    • Justin S Smith, Christopher I Shaffrey, Steven D Glassman, Leah Y Carreon, Frank J Schwab, Virginie Lafage, Vincent Arlet, Kai-Ming G Fu, Keith H Bridwell, and Spinal Deformity Study Group.
    • Department of Neurosurgery, University of Virginia Health Sciences Center, PO Box 800212, Charlottesville, VA 22908, USA. jss7f@virginia.edu
    • Eur Spine J. 2013 Feb 1;22(2):402-10.

    PurposePredictors of marked improvement versus failure to improve following surgery for adult scoliosis have not been identified. Our objective was to identify factors that distinguish between patients with the best and worst outcomes following surgery for adult scoliosis.MethodsThis is a secondary analysis of a prospective, multicenter spinal deformity database. Inclusion criteria included: age 18-85, scoliosis (Cobb ≥ 30°), and 2-year follow-up. Based on the Oswestry Disability Index (ODI) and the SRS-22 at 2-year follow-up, patients with the best and worst outcomes were identified for younger (18-45) and older (46-85) adults with scoliosis. Clinical and radiographic factors were compared between patients with the best and worst outcomes.Results276 patients met inclusion criteria (89 younger and 187 older patients). Among younger patients, predictors of poor outcome included: depression/anxiety, smoking, narcotic medication use, older age, greater body mass index (BMI) and greater severity of pain prior to surgery. Among older patients, predictors of poor outcome included: depression/anxiety, narcotic medication use, greater BMI and greater severity of pain prior to surgery. None of the other baseline or peri-operative factors assessed distinguished the best and worst outcomes for younger or older patients, including severity of deformity, operative parameters, or the occurrence of complications.ConclusionsNot all patients achieve favorable outcomes following surgery for adult scoliosis. Baseline and peri-operative factors distinguishing between patients with the best and worst outcomes were predominantly patient factors, including BMI, depression/anxiety, smoking, and pain severity; not comorbidities, severity of deformity, operative parameters, or complications.

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