Riesgo perioperatorio del bypass gástrico reseccional en pacientes con obesidad mórbida. Estudio prospectivo de 684 pacientes
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Background: Bariatric surgery is a complex procedure not exempt of complications. Aim: To assess mortality and complications of excisional gastric bypass among morbidly obese subjects. Material and methods: Prospective analysis of 684 morbid obese patients (age range 14-70 years, 525 females) subjected to an excisional gastric bypass. Major postoperative complications and mortality were registered. Results: Mean body mass index (BMI) of the subjects was 43.7 kg/m2. One hundred sixty two patients had a BMI between 35 and 39.9 kg/m2, 419 had a BMI between 40 and 49.9 kg/m2 and 103 had a BMI over 50 kg/m2. Two patients with a BMI of 52 and 56 kg/m2 respectively, died in the postoperative period (0.3%). Thirty six patients had major complications. Anastomotic fistula was the most common complication in 12 patients (1.7%). Fourteen patients required a new operation due to complications. None of these died. The mean operative volume of the surgical team was 124 patients per year. Conclusions: Excisional gastric bypass has a low rate of mortality and complications, if the surgical team operates a large volume of patients.