Outcome and Complications of Gastric Bypass in Super-Super Obesity versus Morbid Obesity
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Background: Roux-en-Y gastric bypass (RYGBP) reduces the co-morbidities of obesity. Patients with super-super obesity (BMI ≥60) present additional technical and medical challenges. This study compares the results in super-super-obese patients with patients with a BMI of <60 over a 5.5-year period. Methods: Retrospective analysis was performed of the 504 patients who underwent open RYGBP from January 1999 through June 2004. Patients were divided into 2 groups: Group A (444 patients) had a BMI <60, and Group B (60 patients) had a BMI ≥60, and also had a greater percentage of males. The groups were otherwise similar in demographics and co-morbidities. Results: Concomitant ventral herniorrhaphy was performed in 23 patients (5%) in Group A and in 3 patients (5%) in Group B. Concomitant cholecystectomy was done in 11.2% in Group A and 10% in Group B. Group A patients had an incidence of leaks of 1.3%, and there were no leaks in Group B. Wound infection rate for Group A was 5% vs 1.7 % in Group B (NS). Mortality for both groups was similar. The stricture rate for Group A was 0.9% compared with 1.7 % for Group B. After 1 year, excess weight lost was 41.7% in Group A and 38.3% in Group B. The development of anemia was not statistically different (8.3% vs 11.0 %). Incidence of postoperative gallbladder disease and incisional hernia was similar. Conclusions: Super-super-obese patients should not be excluded from RYGBP because of a perceived increased risk based upon BMI.
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