1 血液透析的适应证 1.1 急性肾功能衰竭急性肾功能衰竭常发生高钾血症、急性肺水肿或脑水肿等水中毒、代谢性酸中毒并发症,死亡率高达50％左右。血液透析可清除毒素和体内潴留过多的水份,故是抢救急性肾功能衰竭的最有效措施,亦可提供输液、用药及维持营养的有利条件。所以只要急性肾功能衰竭的诊断成立,尿量 A hemodialysis indications 1.1 Acute renal failure Acute renal failure often hyperkalemia, acute pulmonary edema or cerebral edema and other water poisoning, metabolic acidosis complications, the mortality rate as high as 50%. Hemodialysis can remove toxins and excessive water retention in the body. Therefore, hemodialysis is the most effective measure to rescue acute renal failure. It can also provide favorable conditions for transfusion, medication and nutrition. So long as the diagnosis of acute renal failure is established, urine output