阿司匹林专辑　阿司匹林与妇产科疾病伊藤昌春等一、少量阿司匹林的作用机理阿司匹林可作用于环加氧酶的活性部位使其乙酰化，从而阻断前列腺素类（ＰＧｓ）的合成。给予阿司匹林后，在血管内皮细胞的Ｇｓ合成酶只是短暂性受到障碍，而后能迅速地再恢复其合成ＰＧＩ２作用... Aspirin album Aspirin and obstetrics and gynecology diseases Ito Changchun, a small amount of Aspirin mechanism of action Aspirin can act on the active site of cyclooxygenase acetylation, thus blocking the synthesis of prostaglandins (PGs). After administration of aspirin, the Gs synthetase in vascular endothelial cells is transiently impaired and then rapidly regains its action as a synthetic PGI2.