title: Current staging and diagnosis of gastroesophageal varices.
abstract: Portal hypertension is defined as an increase in hepatic sinusoidal pressure to 6 mm Hg or higher. Cirrhosis is the most common cause of portal hypertension in the western world and results from increased resistance to blood flow at the hepatic sinusoidal level.
authors.affiliation: Mayo Clinic Rochester, MN 55905, USA.
authors.forename: Nayantara
authors.initials: N
authors.lastname: Coelho-Prabhu
authors.forename: Patrick S
authors.initials: PS
authors.lastname: Kamath
mesh_terms: D003952:Diagnostic Imaging / Q000379:methods*; D003938:Diagnostic Techniques, Digestive System; D004932:Esophageal and Gastric Varices / Q000145:classification / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology; D006801:Humans; D006975:Hypertension, Portal / Q000209:etiology / Q000503:physiopathology; D008099:Liver / Q000098:blood supply; D008103:Liver Cirrhosis / Q000150:complications / Q000503:physiopathology