Comparison of Argon Plasma Coagulation and Injection Therapy with Adrenalin and Polidocanol in the Management of Bleeding Angiodysplasia in Upper Gastrointestinal Tract.

Introduction: The term angiodysplasia (AD) refers to acquired malformation of the blood vessels (communications between veins and capillaries), frequently found within the gastrointestinal mucosa and submucosa. AD of stomach and duodenum are cause of upper gastrointestinal bleeding in 4%-7% of patients. The means of treatment are usually endoscopic, including argon plasma coagulation (APC), electrocoagulation, mechanical hemostasis by clippsing, laser photo-coagulation and injection therapy.