- High blood pressure in the vein that carries blood to the liver from the stomach, small and large intestines, spleen, pancreas, and gallbladder. It is usually caused by a block in the blood flow through the liver due to cirrhosis (scarring) of the liver.
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portal hypertension — n hypertension in the hepatic portal system caused by venous obstruction or occlusion that produces splenomegaly and ascites in its later stages * * * a state in which the pressure within the hepatic portal vein is increased, causing enlargement… … Medical dictionary
Portal hypertension — ] However, in less industrialized parts of the world, climate permitting, the major cause is schistosomiasis. One of the best known cases in recent years is Katie MacLennan Signs and symptomsConsequences of portal hypertension are caused by blood … Wikipedia
portal hypertension — noun increase in blood pressure in the veins of the portal system caused by obstruction in the liver (often associated with alcoholic cirrhosis), causing enlargement of the spleen and collateral veins • Hypernyms: ↑malignant hypertension * * *… … Useful english dictionary
portal hypertension — a state in which the pressure within the hepatic portal vein is increased, causing enlargement of the spleen, enlargement of veins in the oesophagus (gullet) (which may rupture to cause severe bleeding), and accumulation of fluid in the… … The new mediacal dictionary
Portal hypertensive gastropathy — Classification and external resources Image of portal hypertensive gastropathy seen on endoscopy of the stomach. The normally smooth mucosa of the stomach has developed a mosaic like appearance, that resembles snake skin … Wikipedia
Hypertension (disambiguation) — Hypertension may refer to the following: * Hypertension without a qualifier usually refers to arterial hypertension (high blood pressure of the arteries) ** Pregnancy induced hypertension is newly diagnosed arterial hypertension in pregnant women … Wikipedia
hypertension — [ ipɛrtɑ̃sjɔ̃ ] n. f. • 1895; de hyper et tension ♦ Tension artérielle supérieure à la normale; augmentation de la tension. Souffrir d hypertension (cf. Avoir de la tension). ⊗ CONTR. Hypotension. ● hypertension nom féminin Augmentation anormale… … Encyclopédie Universelle
Portal venous pressure — is the blood pressure in the portal vein. It is normally 5 10 mm Hg [ [http://www.emedicine.com/med/byname/esophageal varices.htm eMedicine Esophageal Varices : Article Excerpt by: Samy A Azer ...] ] .An elevated pressure may cause portal… … Wikipedia
Portal vein thrombosis — is a form of venous thrombosis affecting the hepatic portal vein, which can lead to portal hypertension and reduction in the blood supply to the liver.CausesCauses can include pancreatitis, cirrhosis, diverticulitis, and… … Wikipedia
hypertension — High blood pressure; transitory or sustained elevation of systemic arterial blood pressure to a level likely to induce cardiovascular damage or other adverse consequences. H. has been arbitrarily defined as a s … Medical dictionary