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羊水栓塞多发生于分娩时或产后不久,偶可发生于临产前,也可出现于中期妊娠引产操作过程中.是产科的最重并发症之一,死亡率较高.羊水进入母循环的量及速度差异,在临床上表现为暴发型及缓慢型。前者发病急,多见于破水后继强烈宫缩出现严重的肺心衰竭症状;突然出理寒战、呼吸困难、胸闷、剧烈咳嗽,青紫、不安、意识消失、休克,终至死亡.作者曾见2例产妇,在尖叫一声后忽然青紫死亡.后者是进入静脉的少量羊水,缓慢释放于循环中,全身症状表现较轻,以血凝障碍为主.羊水中含有胎儿脱落细胞、毳毛、胎脂、胎便微粒等.均为极强的致敏物质;并含有大
Amniotic fluid embolism occurred in the delivery or postpartum soon, even can occur in prenatal, can also appear in the mid-term pregnancy induced labor operation is one of the most serious complication of obstetrics, high mortality rate of amniotic fluid into the mother’s volume And speed differences in the clinical manifestations of fulminant and slow type. The former onset of acute, more common in the broken water after a strong contraction of severe symptoms of pulmonary heart failure; sudden chills, dyspnea, chest tightness, severe cough, bruising, anxiety, loss of consciousness, shock, and finally died. Maternal, after a scream suddenly purple death, the latter is a small amount of amniotic fluid into the veins, slow release in the circulation, the systemic symptoms of mild to mainly clotting disorders amniotic fluid containing fetal exfoliated cells, beard hair, fetal Fat, meconium particles, etc. are highly sensitizing material; and contains large