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Updated: May 12, 2026

Roux-en-Y Gastric Bypass Operation in Rats
Published on: June 11, 2012
[How to facilitate protein consumption after gastric bypass?]
Muriel Clarisse1, Véronique Di Vetta, Carine Siegrist
1Service d'endocrinologie, diabétologie et métabolisme, CHUV, Lausanne. muriel.clarisse@hospvd.ch
Abstract:
After a gastric bypass, covering protein needs is impossible. This deficit is co-responsible for several postoperative complications so it is essential to inform, prepare and train every patient candidate for such an intervention. To increase protein intake, it is important to work on two different aspects: on the one hand on food sources, targeting the richest food and, on the other hand, on food tolerance so that these foods can be consumed. In fact, gastric bypass induces not only a reduction in gastric volume, but also reduces the passage from the stomach to the intestine. Changes in feeding behavior are much needed to improve food tolerance.
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