Revision Rates Dim Enthusiasm for Roux-en-Y: The high rates suggest that the distal procedure is a poor first-line treatment for morbid obesity.

LAS VEGAS — Distal Roux-en-Y gastric bypass surgery led to excellent long-term weight loss in superobese and morbidly obese individuals, but researchers found a high incidence of protein-calorie malnutrition requiring revision, in a study of 49 patients.