portacaval


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portacaval

 [por″tah-ka´val]
pertaining to or connecting the portal vein and inferior vena cava.

por·ta·ca·val

, portocaval (pōr'tă-kā'văl),
Concerning or relating to the portal vein and the inferior vena cava.

portacaval

/por·ta·ca·val/ (port″ah-ka´val) pertaining to the portal vein and inferior vena cava.

por·ta·ca·val

, portocaval (pōr'tă-kā'văl, pōrtŏ-kāvăl)
Concerning the portal vein and the inferior vena cava.

portacaval, portocaval

pertaining to or connecting the portal vein and caudal vena cava.

portacaval anastomosis
surgical, traumatic or congenital defect resulting in an anastomosis between the portal vein and the caudal vena cava including a portal-azygos anastomosis, or the portal vein and the hepatic artery resulting in portal hypertension. More commonly provides the physical basis for a portacaval shunt.
portacaval shunt
single or multiple abnormalities, intrahepatic or extrahepatic in location, result in venous blood from the intestine bypassing the liver. Hyperammonemia results and leads to neurological dysfunction (hepatic encephalopathy). Other clinical signs include weight loss or poor growth from an early age, vomiting, diarrhea, voracious appetite and polydipsia.
References in periodicals archive ?
Prosthetic H-graft portacaval shunts vs transjugular intrahepatic portasystemic stent shunts: 18-year follow-up of a randomized trial.
Randomized controlled trial of emergency transjugular intrahepatic portosystemic shunt versus emergency portacaval shunt treatment of acute bleeding esophageal varices in cirrhosis.
Fifty-three years' experience with randomized clinical trials of emergency portacaval shunt for bleeding esophageal varices in Cirrhosis: 1958-2011.
Transjugular intrahepatic portosystemic shunt versus H-graft portacaval shunt in the management of bleeding varices: A cost-benefit analysis.
small-diameter prosthetic H-graft portacaval shunt: Extended follow-up of an expanded randomized prospective trial.
H-graft portacaval shunts versus TIPS: ten-year follow-up of a randomized trial with comparison to predicted survivals.
In critical cases, the patient may be given a liver transplant or another surgery (such as a portacaval shunt) that is sometimes used to relieve the pressure in the portal vein and varices.
A portacaval shunt was performed, and liver biopsy yielded a diagnosis of cirrhosis.
Starting in 1967, surgeons began performing a surgical procedure, called a portacaval shunt, which bypassed the blood around the liver.