广义而言,急性肾功能衰竭可分为肾前性、肾性和肾后性,本诊断标准指的是狭义的急性肾功能衰竭,亦即是急性肾小管坏死(ATN)。ATN占全部广义的急性肾衰的75%左右,属危重病急救医学的范畴。一、常继发于各种严重疾病所致的周围循环衰竭或肾中毒后,但亦有个别病例可无明显的原发病。 Broadly speaking, acute renal failure can be divided into prerenal, renal and post-renal, the diagnostic criteria refer to the narrow sense of acute renal failure, which is acute tubular necrosis (ATN). ATN accounts for about 75% of all generalized acute renal failure, which is a category of critical care emergency medicine. First, often secondary to a variety of serious diseases caused by peripheral circulatory failure or renal toxicity, but there are individual cases may not have a clear primary disease.