Long-term Loss of Warren's Shunt Selectivity

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Abstract
• Fifteen patients with a patent shunt after distal splenorenal shunt with gastrosplenic disconnection were prospectively studied by angiography three to 36 months after operation. In all patients a collateral circulation from the portomesenteric to the gastrosplenic system was developed through enlarged venous channels. In all patients the portal flow decreased, as suggested by the angiographically assessed degradation of the portal perfusion of the liver and/or the diminution of the diameter of the portal vein. In two patients the portal vein was thrombotic. We conclude that three months after operation distal splenorenal shunt with gastrosplenic disconnection is not hemodynamically different than portacaval laterolateral shunt. (Arch Surg 1981;116:1121-1124)