| portasystemic shunt, transjugular intrahepatic | A type of surgical portasystemic shunt to reduce portal hypertension with associated complications of oesophageal varices and ascites. It is performed percutaneously through the jugular vein and involves the creation of an intrahepatic shunt between the hepatic vein and portal vein. The channel is maintained by a metallic stent. The procedure can be performed in patients who have failed sclerotherapy and is an additional option to the surgical techniques of portocaval, mesocaval, and splenorenal shunts. It takes one to three hours to perform. (jama 1995;273(23):1824-30) (12 Dec 1998) |
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| portative | 1. Portable. 2. <physics> Capable of holding up or carrying; as, the portative force of a magnet, of atmospheric pressure, or of capillarity. Origin: Cf. F. Portatif Source: Websters Dictionary (01 Mar 1998) |
| portable |
(see handhelds)
Ãâó: www.geocities.com/rabidsmily/Terms/terms.html
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| portal hypertension |
a portal venous pression greater than 20 mmHg. It causes splenomegaly (spleen enlargement), esophageal varices and ascites.
Ãâó: www.geocities.com/HotSprings/3982/dictionary.html
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| portal vein |
A blood vessel that carries blood from the digestive organs and the spleen to the liver.
Ãâó: www.stjude.org/glossary
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| portal |
a door or entrance
Ãâó: library.thinkquest.org/3786/glossary.html
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| porta hepatis |
A horizontal fisssure in the liver, containing blood and lymph vessels, nerves and the hepatic ducts.
Ãâó: www.bdid.com/termsp.htm
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