腹水形成一般是肝硬化患者肝功能失代偿的结果,是肝硬化患者晚期较为常见的并发症。腹水形成的机制是多方面的,全身因素主要有。①血浆胶体渗透压低下,由低蛋白血症引起;②血液中抗利尿物质增加,由于肝脏灭活能力减低,使抗利尿激素、醛固酮等相对增加,水钠贮留;③肾脏循环障碍,有效的肾 Ascites is generally the result of hepatic decompensation in patients with cirrhosis and is a more common complication of advanced liver cirrhosis. Ascites formation mechanism is multifaceted, systemic factors are mainly. ① lower plasma colloid osmotic pressure, caused by hypoproteinemia; ② blood antidiuretic substances increased, due to reduced inactivation of the liver, so vasopressin, aldosterone and other relative increase, sodium and water retention; ③ renal circulatory disorders, effective Kidney