Gallbladder Stones and Choledocholitiasis

It is known that the rapid weight loss is a predisposing factor to develop biliary lithiasis. The physiopathology is related with a supersaturation of bile with cholesterol, bile stasis, and increase in mucin concentration in bile. The incidence of cholelithiasis post gastric bypass is estimated to be around 37%. Almost 50% developed disease in the first year of monitoring and 60% in the first 6 months. Meanwhile the patients undergoing sleeve gastrectomy have an incidence of cholelithiasis of 27%.