Rectal bleeding and hemostatic disorders induced by dabigatran etexilate in 2 elderly patients.

Objective: To report rectal bleeding associated with hemostatic disorders in 2 elderly patients treated with dabigatran etexilate.

Case Summary: A 79-year-old woman (weight, 69 kg) was hospitalized in a gastroenterology unit for severe rectal bleeding. She had been treated for 2 months with dabigatran etexilate 110 mg twice daily for chronic atrial fibrillation.