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Amniotic fluid embolism in Sweden, 1951-1980
Amniotic fluid embolism is one of the least frequent complications of parturition, but the most dangerous of all. 38 cases of fatal amniotic fluid embolism were diagnosed in Sweden during the years 1951-1980, i.e. 1 case for every 83,000 live births. The proportion of amniotic fluid embolism in maternal mortality as a whole increased from 1.2 to 16.5% during this period. Predisposing factors identified were gemini/polydyramnios, abruptio placentae, hypertonic labor, rupture of the birth canal, macrosomia, and obstetrical interventions such as administration of oxytocin and fundal pressure. The main symptoms were cardiovascular shock with right heart strain, and hemorrhage with pathologic proteolysis. Four cases of presumed amniotic fluid embolism with survival of the patient were diagnosed during the years 1972-1980--a case fatality rate of 66% (4/12).
Amniotic fluid embolism is one of the least frequent complications of parturition, but the most dangerous of all. 38 cases of fatal amniotic fluid embolism were diagnosed in Sweden during the years 1951-1980, i.e. 1 case for every 83,000 live births. The proportion of amniotic fluid embolism in maternal mortality as a whole increased from 1.2 to 16.5% during this period. Predisposing factors identified were gemini/polydyramnios, abruptio placentae, hypertonic labor, rupture of the birth canal, macrosomia, and obstetrical interventions such as administration of oxytocin and fundal pressure. The main symptoms were cardiovascular shock with right heart strain, and hemorrhage with pathologic proteolysis. Four cases of presumed amniotic fluid embolism with survival of the patient were diagnosed during the years 1972-1980--a case fatality rate of 66% (4/12).
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