A technique for performance of portocaval shunt operations using tubular inferior vena cava grafts is proposed. The aim of this method is to avoid prosthetic or venous interposition with their risk of thrombosis. It is based on results of cadaver experimental studies and a clinical case. Different possible grafts are described, including useful sizes, advantages and inconveniences and clinical indications. Two types are selected: that resected from left surface of subhepatic vena cava for portocaval anastomosis and that obtained from anterior surface of infrarenal vena cava for mesentericocaval anastomosis.
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