Results:Plasma ET,TXB and ketoPGF α in patients with azotemia were 8±9 8ng/L,0 8±9 ng/L,and ± 0 7ng/L,a果：氮质血症组血浆ET为． 8±9．8ng／L，TXB为0．8±9．ng／L，ketoPGFα为 ．± 0．7ng／L；