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  • Title: Direct transhepatic assessment of hepatic vein pressure and direction of flow using a thin needle in patients with cirrhosis and Budd-Chiari syndrome. An effective alternative to hepatic vein catheterization.
    Author: Rector WG, Redeker AG.
    Journal: Gastroenterology; 1984 Jun; 86(6):1395-9. PubMed ID: 6714568.
    Abstract:
    Portal pressure can be accurately measured transhepatically with a Chiba needle. Since 1980, we have used transhepatic hepatic vein pressures as our zero reference for transhepatic portal pressure measurements. To validate the latter technique, we performed hepatic vein catheterization and transhepatic hepatic vein puncture in 11 patients undergoing portal pressure measurement. Transhepatic hepatic vein puncture was simple, providing pressures as reproducible as those obtained by hepatic vein and inferior vena cava catheterization. These pressures were minimally higher than simultaneous free hepatic vein and inferior vena caval pressures, possibly reflecting the more proximal location of the small hepatic vein radicles often entered by this technique. Transhepatic hepatic vein puncture is an accurate way to determine hepatic vein pressure and, combined with transhepatic portal vein pressure measurement, completely obviates the need for venous catheterization for portal pressure determination. Transhepatic hepatic vein pressure was also measured in 3 patients with Budd-Chiari syndrome. In these patients, transhepatic hepatic vein pressure was elevated and equaled or exceeded portal vein pressure. Abnormal venous collaterals were identified in all patients. Transhepatic portal pressure studies are also an appropriate way to evaluate patients suspected of having hepatic outflow obstruction.
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