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  • Title: Surgery for variceal bleeding in cirrhosis: a review of our experience and present concepts.
    Author: Ramakrishna N, Martin JG.
    Journal: J Natl Med Assoc; 1979 May; 71(5):475-7. PubMed ID: 312948.
    Abstract:
    The major cause of portal hypertension in Western countries is nutritional cirrhosis (parenchymal block) related to alcoholism. A third of those patients die of variceal bleeding when increased pressure within the varices precipitates bleeding. Construction of portal systemic shunts is aimed at reducing the pressure within the varices and thereby decreasing the risk of bleeding. However, it increases the incidence of hepatic encephalopathy and hence should be used only in patients who have bled. The remaining function appears to be the main factor that determines survival and the incidence of encephalopathy in obese individuals. Portacaval shunts almost completely eliminate the risk of bleeding. There is a greater incidence of hepatic encephalopathy with this procedure than with other shunts. The splenorenal shunt and the distal splenorenal shunt appear to work well in selected patients. Technically, it is a more difficult procedure. The interposition mesocaval shunt is technically easier and is also helpful in patients with ascites. Its post-shunt encephalopathy rate, however, is higher than the splenorenal shunt or the distal splenorenal shunt, though less than the portacaval shunts. Experience with the newer arterialized portacaval and coronary caval shunts is limited. A non-shunt procedure, such as the one described by Sugiura, with impressive results and follow-up may become more acceptable as experience grows.
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