Atrial septal defect in pregnancy

Pregnancy with congenital heart disease (congenital heart disease) is a high-risk pregnancy and is one of the leading causes of maternal death. Congenital heart disease refers to abnormalities in cardiovascular structure or function that existed at birth. It is due to cardiovascular abnormalities or developmental disorders during the fetal period, and cardiovascular abnormalities caused by failure to degenerate tissues that are born after birth. Symptoms are mild and not easy to detect before pregnancy. Symptoms are not diagnosed until pregnancy due to increased heart burden. Most of the severe cases have been diagnosed before pregnancy and even undergo corrective surgery. Either way, with the increase of gestational age after pregnancy, the total circulating blood volume increases, the heart shifts upwards to the left, the large blood vessels are distorted and the hemodynamic changes increase the burden on the heart, so heart failure is more likely to occur. In recent years, with the progress of congenital heart disease surgery, pregnancy with congenital heart disease has increased.

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