Objective To compare the influence of pentobarbital sodium and urethane anesthesia on the changes of blood flow dynamics in rabbit kidneys monitored by ultrasound.Methods Twenty-four Japanese rabbits were selected and randomly divided into two groups:the pentobarbital sodium and urethane anesthesia groups,12 in each group,and the parameters of arterial blood flow in the rabbit kidneys were measured by colored Doppler ultrasound.Results The levels of renal artery peak systolic velocity(Vmax ) and minimum dia...