Complications of a gastric bypass
Complications can be divided into early (< 30 days) and late.
Early complications include mortality (0.3%), anastomotic leaks (2%), gastrointestinal bleeding (2%), pulmonary embolus (0.4%), and wound infection (3%).
Late complications include anastomotic stenosis (5%), small bowel obstruction from internal hernias (3%), marginal ulceration (10%), cholelithiasis (10%), and vitamin and mineral deficiencies.
