Mucosal tonometry as early warning of gastrojejunal leak in laparoscopic Roux-en-y gastric bypass.

The laparoscopic Roux-en-Y gastric bypass (LRYGB) is the standard surgical procedure for morbidly obese patients in many centers worldwide. The gastrojejunal anastomosis (GJA) leak has a 2 % incidence and a 10 % mortality. This prospective study aims to test gastroenteric tonometry as an early warning of GJA leak risk.