gastric bypass

noun

: a surgical bypass operation that typically involves reducing the size of the stomach and reconnecting the smaller stomach to bypass the first portion of the small intestine so as to restrict food intake and reduce caloric absorption in cases of severe obesity compare gastric banding

Examples of gastric bypass in a Sentence

Recent Examples on the Web

Some instances that require additional consideration for vitamin D include the following: Gastric procedures: Certain gastric procedures, like gastric bypass, affect the upper small intestine, where vitamin D is absorbed. —Amy Brownstein, Ms, Rdn, Verywell Health, 10 July 2024

People who are hospitalized or who have had gastric bypass surgery may also become deficient. —Christie Aschwanden, Scientific American, 1 Jan. 2024

Another option is bariatric surgery, most commonly gastric bypass, and it has been performed in morbidly obese pediatric patients since the 1980s. —Amanda C. Fifi, M.d., Miami Herald, 30 Jan. 2024

There are several types of bariatric surgery, but the Roux-en-Y gastric bypass tends to have the greatest effect on blood sugar. —Verywell Health, 2 Feb. 2023

Word History

First Known Use

1967, in the meaning defined above

Medical Definition

gastric bypass

noun

: a surgical bypass operation performed to restrict food intake and reduce absorption of calories and nutrients in the treatment of severe obesity that typically involves reducing the size of the stomach and reconnecting the smaller stomach to bypass the first portion of the small intestine

especially : roux-en-y gastric bypass