<p>This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</p> <p>The intraoperative measurement of the afferent circulation of the liver, namely the hepatic artery flow and portal venous flow was carried out upon 14 anesthetized patients having carcinoma in the splanchnic area,
mainly in the head of the pancreas by means of transit time ultrasonic volume flowmeter. The hepatic
artery flow, portal venous flow and total hepatic flow were 0.377±0.10; 0.614±0.21; 0.992±0.276 l/min respectively.</p> <p>The ratio of hepatic arterical flow to portal venous flow was 0.66±0.259
There was a sharp, significant increase in hepatic arterial flow (29.8±6.1%, p&lt;0,01) after the temporary occlusion of the portal vein, while the temporary occlusion of hepatic artery did not have any significant
effect on portal venous circulation. The interaction between hepatic arterial flow and portal venous flow
is a much disputed question, but according to the presented data here, it is unquestionable, that the
decrease of portal venous flow immediately results a significant increase in hepatic artery circulation.</p>
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HPB Surg. 1996; 9(4):239-243