我们采用赦免法检测小儿急性肾炎、肾病综合征、紫癜性肾炎58例极期和恢复期的血浆内皮素（PET）水平，并与其病情及预后进行比较。对象和方法一、对象1997年1月～1998年3月本院儿科患儿，急性肾小球肾炎（AGN）23例，肾病综合征（NS）20例，紫癫性肾炎（APN）15例，年龄3～14a We used amnesty to detect 58 cases of children with acute nephritis, nephrotic syndrome, purpura nephritis in extreme and convalescent plasma endothelin (PET) levels, and compared with their disease and prognosis. Subjects and Methods 1. Subjects From January 1997 to March 1998, 23 pediatric patients with acute glomerulonephritis (AGN), 20 nephrotic syndrome (NS), 15 with purpura nephritis (APN) , Age 3 ~ 14a