Fatal Hyperammonemic Encephalitis Following Gastric Bypass

Background: To report a fatal condition following commonly performed gastric bypass surgery for obesity and metabolic syndrome. Methods: 62 years old patient underwent gastric bypass surgery in 2014. She had lost significant amount of weight. She had no complications following her surgery. She had been recently admitted to another hospital with coma and died there. Results: Investigation of her death and post-mortem study confirmed hyperammonemic encephalitis. Conclusion: Awareness and early treatment of this rare condition may prevent high mortality.