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19 Cards in this Set
- Front
- Back
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What is portal hypertension
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Elevated pressure in the portal venous system
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What is the most common cause of portal hypertension in the US
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Cirrhosis
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What is the normal diameter of the portal vein
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13 mm
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What is the normal flow direction of the portal vein
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Hepatopedal
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What is the average flow velocity of the portal vein
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15 to 18 cm/sec
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What is the congestive index
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Portal vein area (cm2) divided by the mean portal flow velocity (cm/sec) > 0.7 indicates portal hypertension
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What is the primary cause of cirrhosis in the US
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alcoholism
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What is the contour of the liver surface in cirrhotic patients
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Nodular
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How does one differentiate a dilated portal vein that is the results from portal hypertension rather than umilical vein
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CHF the portal flow is often pulsatile
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What is important collateral of portal hypertension that indicates portal hypertension 100%
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Patent umbilical vein
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What is the purpose for performing a portosystemic shunt
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protect the patient from gastroesophageal bleeding
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What is one clinical indication that the TIPS is not working
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Increased abdominal girth ascites
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What is the normal peak systolic velocity of flow in a TIPS
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90 to 120 cm/sec, at least 50 to 60 cm/sec
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What is the portal vein velocity of a TIPS patient
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at least 30 cm/sec
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Pulsatile flow in a TIPS is abnormal t/f
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False
it is normal |
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What tumors can invade and occlude the portal vein
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HCC and panc CA
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If you cannot image the portal vein, what should you highly consider
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occlusion
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What is the primary manifestation of chronic portal vein thrombosis
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Cavernous transformation
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What syndrome results from hepatic vein occlusion
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Budd-Chiari syndrome
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