肾脏是保持液体,电解质和酸碱平衡,排泄代谢产物的重要生命器官。急性肾功能衰竭(Acute renal failure)是急骤发生的,常为可逆的肾功减退综合征(3)。临床典型表现为急性少尿或无尿。机体水、电解质和酸碱平衡紊乱,代谢产物滞留。近年研究表明有(1/3)或更多患者并无尿少(3)。称非少尿型急性肾功能衷竭。广义而言ARF包括各种原因的肾前氮质血 The kidneys are vital vital organs that maintain fluid, electrolytes and acid-base balance and excrete metabolites. Acute renal failure is a rapid, often reversible syndrome of impaired renal function (3). Typical clinical manifestations of acute oliguria or no urine. Body water, electrolyte and acid-base balance disorders, metabolites retention. In recent years, studies have shown that (1/3) or more patients have no urine (3). Non-oliguric acute renal failure called exhaust. ARF broadly includes a variety of causes of prerenal blood nitrogen