Roux-en-Y gastric bypass


Roux–en–Y gastric bypass

noun
\ˌrü-ˌen-ˈwī-, ˌrü-ˌän-ˌē-ˈgrek-\

Definition of ROUX-EN-Y GASTRIC BYPASS

: a gastric bypass surgical procedure in the treatment of severe obesity that involves partitioning off part of the upper stomach (as by stapling and separation from the lower stomach) to form a small pouch, dividing the jejunum into upper and lower parts, and forming a Y-shaped anastomosis by attaching the free end of the lower part of the jejunum to a new outlet on the upper stomach pouch and attaching the free end of what was the upper jejunum to a new opening on the small intestine—called also Roux-en-Y

Biographical Note for ROUX-EN-Y GASTRIC BYPASS

Roux \ˈrü\ , César (1857–1934), Swiss surgeon. Roux served as chief of surgery at the University of Lausanne's medical school. In 1892 he began using the technique of the Y-shaped loop in gastrointestinal surgeries involving antral or pyloric obstruction. Although he subsequently abandoned the procedure, on account of the frequency of late peptic ulcerations in the loop, the concept of the Y-shaped loop was eventually adapted for hepatic, biliary, and pancreatic surgeries, as well as for other gastrointestinal procedures.

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