Congenital Heart Disease

Congenital heart disease (CHD) has an estimated incidence of 0.8% of all new live births globally, with significant geographic and income group differences, and a global prevalence of 0.4% in adults. The main classification schemes discriminate between acyanotic CHD, which initially do not interfere with the amount of oxygenated blood in the systemic circulation, and cyanotic CHD, which interfere with the amount of oxygenated blood in the systemic circulation. Most cyanotic CHD require surgical correction immediately or soon after birth due to high mortality rates.