Journal
WORLD JOURNAL OF SURGERY
Volume 35, Issue 6, Pages 1287-1295Publisher
SPRINGER
DOI: 10.1007/s00268-011-1070-2
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Funding
- Yale Medical Student Research Fellowship
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We examined the impact of obesity on 30-day outcomes of adrenalectomy using a multi-institutional database. Patients who underwent adrenalectomy in 2005-2008 according to the American College of Surgeons-National Surgical Quality Improvement Project (ACS-NSQIP) data set were grouped by body mass index (BMI): normal weight (BMI = 18.5-24.9 kg/m(2)), overweight (BMI = 25.0-29.9 kg/m(2)), obese (BMI = 30.0-34.9 kg/m(2)), and morbidly obese (BMI a parts per thousand yen 35 kg/m(2)). Outcomes of the higher BMI groups were compared to those of the normal BMI group using chi(2), analysis of variance (ANOVA), and multivariate regression. There were 1,629 patients in the study: 22% were normal weight, 31% overweight, 22.2% obese, and 24.7% morbidly obese. Compared to normal-weight patients, obese and morbidly obese patients had a 12.5 and 16.7% increase in operation times (129 vs. 145 and 150 min, respectively, p a parts per thousand currency sign 0.01) and sustained more wound complications (0.2 vs. 0.4 and 1.2%, p < 0.001), including superficial and deep wound infections (p < 0.001 and p < 0.01, respectively). Morbid obesity independently predicted overall complications (odds ratio [OR] 2.9, 95% confidence interval [CI]: 1.7-5.7), wound complications (OR 6.1, 95% CI: 2.0-18.9), and septic complications (OR 3.1, 95% CI: 1.1-8.8). Obesity independently predicted longer total time in the operating room (p < 0.006). There were no differences in rates of reoperation and length of hospital stay by BMI category. Obesity is an independent risk factor that needs to be considered in surgical decisions regarding adrenalectomy. Morbidly obese adrenalectomy patients are particularly at risk for wound and septic complications.
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