急性肾功能衰竭可定为肾功能有急剧但常为可逆性降低的综合征。虽传统认为此综合征有少尿。但最近的工作认为1/3或更多的患者并无少尿。急性肾衰的定义可包括各种原因的肾前性氮质血症,急性肾小球疾患,急性间质性肾炎和阻塞性尿路病变。在本文简短讨论中,作者集中于所谓急性肾小管坏死的患者组。这些患者中的急性肾衰或因肾脏缺血或因应用肾脏毒性药物所致。在挤压伤、败血症、休克或外科或产科并发症后 Acute renal failure may be characterized by a rapid but often reversible decrease in renal function. Although this syndrome is considered oliguric syndrome. However, recent work suggests that one third or more of these patients do not have oliguria. Definitions of acute renal failure may include prerenal azotosis, acute glomerular disorders, acute interstitial nephritis and obstructive urinary tract disease for a variety of reasons. In the short discussion of this article, the authors focused on the so-called acute tubular necrosis patient group. Acute renal failure in these patients is due to renal ischemia or due to the use of nephrotoxic drugs. After crush injury, sepsis, shock or surgical or obstetric complications