Abstract
BACKGROUND CONTEXT Previous research on the impact of obesity on outcomes after adult spinal deformity surgery has reported radiographic and clinical outcomes, but no analysis has compared the mental health status and outcomes in these patients. PURPOSE This study examines the pre- and postoperative SF 36 mental health status in obese and non-obese patients undergoing correction of adult degenerative scoliosis. STUDY DESIGN/SETTING Multicenter prospective analysis of adult spinal deformity database. PATIENT SAMPLE A prospective, multicenter database of ASD patients was reviewed. Patients who had at least 2 years follow-up were analyzed. OUTCOME MEASURES Demographic and pre- and post-operative SF-36 mental health scores were assessed. A BMI threshold of 35 was selected to more accurately reflect real-world perception of obesity. METHODS A prospective database was analyzed using paired t-test and Mann-Whitney U analysis for continuous variables and Chi-Square analysis for categorical variables. RESULTS A total of 120 patients were included; 60 had a BMI 35. Patients were propensity matched on pre-operative SVA, PI-LL, and Cobb angle. There were no differences between groups in age, number of levels instrumented, pre-operative back pain, ODI, SRS-22, Sacral slope, Cobb angle or PI-LL. When comparing patients with a BMI threshold of 35, there was no difference in pre-operative mental health (42 vs 44.2; p CONCLUSIONS In this prospective evaluation of a large database of patients undergoing correction of ASD, patients with BMI >35 were not significantly different from non-obese patients pre-operatively or post-operatively. Furthermore, they experience similar improvement in mental health scores post-operatively compared to non-obese patients. FDA DEVICE/DRUG STATUS This abstract does not discuss or include any applicable devices or drugs.
Published Version
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