尿少与尿闭是一个严重病象,是泌尿外科常见急症之一。如能及时发现致病原因,得出正确诊断,并给以恰当处理,不少病员可转危为安,否则将导致不良后果。因此,熟习尿少与尿闭的各种不同病因,掌握其诊断、鉴别诊断及各种治疗方法是十分必要的。尿少指24小时尿量在400毫升以下(有人提出600毫升以下即为尿少,因正常功能肾发挥最大浓缩能力时,也需要500毫升以上的尿液,始能排出经肾排泄的全部体内代谢产物);尿闭系指24小时尿量在100毫升以下,或12小时完全无尿而言。24小时完全 Less urine and urine closed is a serious disease, urology is one of the common emergency. If timely detection of the cause of the disease, come to the correct diagnosis, and give appropriate treatment, many patients can turn the corner, otherwise it will lead to adverse consequences. Therefore, familiar with less urine and urine closed a variety of different causes, to master its diagnosis, differential diagnosis and various treatment methods is very necessary. Urine less refers to 24-hour urine output of 400 ml or less (it was suggested that the following 600 ml less urine, due to normal function of the kidney to maximize the ability to concentrate, but also need more than 500 ml of urine, the body can be excreted by renal excretion Metabolite); Urine closed refers to 24-hour urine output in 100 ml or less, or 12 hours completely no urine terms. 24 hours completely