Duplex sonography accurately assesses portacaval shunt patency.

Abstract:

:Among 42 patients who had undergone portacaval shunt (PCS) to treat bleeding esophageal varices, shunt patency was assessed with duplex sonography 1 month to 5 years postoperatively. Patency was confirmed in all patients (100%). Correlative angiograms confirming the sonographic findings were obtained in 24 patients. Duplex scanning showed hepatofugal or stagnant flow in the distal portal vein in all 42 patients. Very low rates of liver-failure-related mortality (6%) and morbidity (6% incidence of encephaloparthy) in this series despite loss of portal perfusion of the liver in patients incriminate factors other than magnitude and direction of portal vein flow as the cause of complications occurring after PCS. Duplex sonography offers accurate and relevant clinical and physiologic data about shunt hemodynamics in patients who have undergone PCS.

journal_name

J Vasc Surg

authors

Helton WS,Montana MA,Dwyer DC,Johansen K

doi

10.1067/mva.1988.avs0080657

subject

Has Abstract

pub_date

1988-12-01 00:00:00

pages

657-60

issue

6

eissn

0741-5214

issn

1097-6809

pii

0741-5214(88)90070-5

journal_volume

8

pub_type

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