objective:to evaluate the renal cortex blood perfusion of acute renal failure(arf)in rabbits using intravenous contrast ultrasound, power doppler imaging(pdi)and acoustic densitometry(ad)techniques.
目的:采用经静脉声学造影、能量多普勒显像(pdi)和声学密度定量(ad)技术评价急性肾功能衰竭(arf)肾皮质血流灌注情况。