The observation markers were: the size and echo of kidney, Vmax, Vmin and RI of each grade of renal artery.

• 分别于少尿期、多尿期、恢复期进行观察 ,观察指标 :肾脏大小、回声、肾皮质血流分布、各级肾动脉Vmax、Vmin、RI。