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妊娠合并心脏病是临床较复杂的问题,据国内统计,其平均发病率为0.856％,并有逐年上升趋势,其病死率为0.26％。心力衰竭是妊娠合并心脏病时威胁母婴生命的最重要的并发症。在妊娠前、后,合理的预防及处理心力衰竭,是降低妊娠合并心脏病病死率的关键。 1 妊娠与分娩对心脏功能的影响妊娠合并心脏病心力衰竭发生的时间多在妊娠晚期及分娩期。这是因为妊娠期血容量增加随孕月而逐渐增多,至20～24孕周,血容量增加迅速,较未孕前增加约34％,以后较稳定地增加,孕32～34周达最高
Pregnancy complicated with heart disease is a more complicated clinical issue, according to the domestic statistics, the average incidence rate of 0.856%, and there is an upward trend year by year, the case fatality rate was 0.26%. Heart failure is the most important complication of threatening maternal and infant life in pregnancy with heart disease. In pregnancy before and after, the proper prevention and treatment of heart failure, is to reduce the mortality of heart disease with pregnancy key. 1 pregnancy and childbirth on the heart function Pregnancy complicated with heart disease and heart failure occurred in late trimester and childbirth. This is because the increase in blood volume during pregnancy with pregnancy month and gradually increased to 20 to 24 weeks gestational week, rapid increase in blood volume, compared with no pre-pregnancy increased by about 34%, more stable after the increase of 32 to 34 weeks pregnant reached the highest