Esophageal capsule endoscopy for screening and surveillance of esophageal varices in patients with portal hypertension. Hepatology 47 , 1595–1603 (2008). Article Google Scholar ...
Gastric varices are present at the time of screening endoscopy in approximately 25% of patients with known cirrhosis; 18% of patients with known cirrhosis have both esophageal and gastric varices.