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COMPARATIVE STUDY
JOURNAL ARTICLE
Outcomes of Roux-en-Y gastric bypass in the super obese: comparison of body mass index 50-60 kg/m(2) and≥60 kg/m(2) with the morbidly obese.
Surgery for Obesity and Related Diseases 2016 Februrary
BACKGROUND: Reports on the outcomes of Roux-en-Y gastric bypass (RYGB) in super-obese patients are limited, especially on patients with body mass index (BMI)≥60 kg/m(2).
OBJECTIVES: The aim of the present study was to evaluate and compare the tolerability and efficacy of RYGB in the super-obese by comparing patients with a BMI of 50-60 kg/m(2) and a BMI of≥60 kg/m(2) with patients with a BMI of 40-50 kg/m(2).
SETTING: Academic practice.
METHODS: Between January 2004 and November 2013, a total of 2717 patients underwent RYGB at our institution. Of these, 661 (24.3%) had a preoperative BMI of 50-60 kg/m(2) and 230 (8.5%) had a BMI≥60 kg/m(2). A retrospective review of outcomes and complications was performed, comparing these patients with 1555 patients with a BMI between 40-50 kg/m(2).
RESULTS: Fifty-two (3.3%) patients in the BMI 40-50 kg/m(2) group, 15 (2.3%) patients in the BMI 50-60 kg/m(2) group, and 3 (1.3%) patients in the BMI≥60 kg/m(2) had<30 days of follow-up. Readmission rates were 10.7%, 9.2%, and 11.7%, and reoperation rates were 7.3%, 5.0%, and 6.1%, in the BMI 40-50, 50-60, and≥60 kg/m(2) groups, respectively. No significant difference was found in readmission rate among the 3 groups, and reoperation rate was significantly lower in the BMI 50-60 kg/m(2) group. Mean percentage of excess BMI loss was 58.3%, 80.6%, 85.8%, 83.3%, and 80.9% in the BMI 40-50 kg/m(2) group; 44.9%, 65.0%, 70.1%, 72.1%, and 65.9% in the BMI 50-60 kg/m(2) group; and 38.5%, 57.4%, 62.2%, 62.8%, and 59.1% in the≥60 kg/m(2) group at 6, 12, 18, 24, and 36 months, respectively. The differences in excess BMI loss were statistically significant among all 3 groups at all follow-up time points. All groups experienced a significant decrease in their mean number of co-morbidities after the procedure.
CONCLUSION: Readmission and reoperation rates were similar in the BMI 40-50, 50-60, and≥60 kg/m(2) groups. Super-obese and super-super-obese patients are not at greater risk for surgical complications compared with those with lower BMIs.
OBJECTIVES: The aim of the present study was to evaluate and compare the tolerability and efficacy of RYGB in the super-obese by comparing patients with a BMI of 50-60 kg/m(2) and a BMI of≥60 kg/m(2) with patients with a BMI of 40-50 kg/m(2).
SETTING: Academic practice.
METHODS: Between January 2004 and November 2013, a total of 2717 patients underwent RYGB at our institution. Of these, 661 (24.3%) had a preoperative BMI of 50-60 kg/m(2) and 230 (8.5%) had a BMI≥60 kg/m(2). A retrospective review of outcomes and complications was performed, comparing these patients with 1555 patients with a BMI between 40-50 kg/m(2).
RESULTS: Fifty-two (3.3%) patients in the BMI 40-50 kg/m(2) group, 15 (2.3%) patients in the BMI 50-60 kg/m(2) group, and 3 (1.3%) patients in the BMI≥60 kg/m(2) had<30 days of follow-up. Readmission rates were 10.7%, 9.2%, and 11.7%, and reoperation rates were 7.3%, 5.0%, and 6.1%, in the BMI 40-50, 50-60, and≥60 kg/m(2) groups, respectively. No significant difference was found in readmission rate among the 3 groups, and reoperation rate was significantly lower in the BMI 50-60 kg/m(2) group. Mean percentage of excess BMI loss was 58.3%, 80.6%, 85.8%, 83.3%, and 80.9% in the BMI 40-50 kg/m(2) group; 44.9%, 65.0%, 70.1%, 72.1%, and 65.9% in the BMI 50-60 kg/m(2) group; and 38.5%, 57.4%, 62.2%, 62.8%, and 59.1% in the≥60 kg/m(2) group at 6, 12, 18, 24, and 36 months, respectively. The differences in excess BMI loss were statistically significant among all 3 groups at all follow-up time points. All groups experienced a significant decrease in their mean number of co-morbidities after the procedure.
CONCLUSION: Readmission and reoperation rates were similar in the BMI 40-50, 50-60, and≥60 kg/m(2) groups. Super-obese and super-super-obese patients are not at greater risk for surgical complications compared with those with lower BMIs.
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