Decompressive shunts and hepatic encephalopathy.
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2003-12-18
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Abstract
Encephalopathy is a major complication of all decompressive procedures done to reduce portal pressure. There are two major groups of decompressive procedures: surgical portosystemic shunts and transjugular intrahepatic portosystemic shunts (TIPS). Surgical decompressive shunts are of three types: total, partial and selective, depending on the amount of hepatopetal flow that is maintained in each of them. Encephalopathy with these shunts occurs because of reduction in hepatopetal flow. These shunts have failed to reduce mortality; in fact, some studies have shown an increase in mortality following shunts. TIPS has more or less replaced the need for surgical shunts, but their risk to cause encephalopathy is almost equivalent to that of selective shunts and in some series is even more. Lactulose, antibiotics and protein restriction can easily control severe encephalopathy as a consequence of decompressive shunts.
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Sachdev A, Duseja A. Decompressive shunts and hepatic encephalopathy. Indian Journal of Gastroenterology. 2003 Dec; 22 Suppl 2(): S21-4