Mortality for Critical Congenital Heart Diseases and Associated Risk Factors in Newborns. A Cohort Study
Congenital heart disease (CHD) is any change in the anatomy of the heart and its blood vessels that occurs within the first 8 weeks of gestation. The manifestation of CHD is very variable and may occur soon after birth or appear later in childhood or adolescence.
The incidence of CHD is 8 to 10 per 1000 live births, or one in one hundred births. In Brazil, 28,900 children are born with CHD per year (1% of the total birth), of which about 80% (23,800) need cardiac surgery, and half of them need to be operated in the first year of life.
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