The changes in the hepatic hemodynamics were promptly reflected in the biliary pressure in dogs. Both wedged hepatic venous pressure and portal venous pressure increased in response to the elevated biliary pressure, and conversely decreased following rapid biliary decompression, suggesting that the changes in the biliary pressure might affect the hepatic hemodynamics post-sinusoidally. It was supposed that too rapid biliary decompression might trigger the following consequences; 1) decrease in sinusoidal pressure, 2) increase in sinusoidal inflow, and 3) extravasation of intravascular fluid in the perivascular space. When these were not sufficiently compensated, they could trigger shock in the jaundiced patients.

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