Effects of General Anaesthesia on Portal Venous Pressure in the Rat

Abstract
The effects of halothane anaesthesia on portal venous pressure and cardiac output was evaluated in normal rats and in rats with portal hypertension. This anaesthetic agent caused a significant decrease in portal venous pressure and in cardiac output compared with non-anaesthetized animals. It has been concluded that the results of splanchnic haemodynamic studies obtained in anaesthetized animals should be interpreted with caution.

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