Revisional Surgery for Insufficient Loss or Regain of Weight After Roux-en-Y Gastric Bypass: Biliopancreatic Limb Length Matters.

Conversion from RYGB to BPL RYGB leads to significant additional weight loss in the long term. However, the morbidity is relevant, especially severe protein malnutrition and the frequency of revisional surgery. Therefore, this type of surgery should not be done routinely.