<unk>  <unk>  was a surgical weight-loss procedure performed for the relief of morbid obesity from the 1950s through the 1970s in which all but 30 cm (12 in) to 45 cm (18 in) of the small bowel were detached and set to the side. Many complications that followed<unk>  operations were caused by bacterial overgrowth in the excluded blind loop. The arthritis-dermatitis syndrome was one of the common distressing disorders. The pathogenetic mechanism was thought to be an immune-complex-mediated process related to<unk>  enteritis.
Jejunoileal bypass
Ileojejunal bypass
Duodenal-jejunal bypass liner
Intestinal bypass
Jejunojejunostomy
Partial ileal bypass surgery
Ileal interposition
Longitudinal intestinal lengthening and tailoring