OBJECTIVE:

To determine the prevalence of adverse perinatal outcomes in fetuses with prenatal diagnosis of congenital heart disease in a tertiary level unit in Mexico City.

MATERIALS AND METHODS:

Observational, retrospective, cross-sectional, descriptive study performed at the Fetal Cardiology Clinic of the High Specialty Medical Unit of the Hospital de Ginecoobstetricia 3, Centro Médico Nacional La Raza, in fetuses with prenatal diagnosis of congenital heart disease confirmed at birth, evaluated between January 2018 and June 2019. Study parameters: maternal demographic variables, type of heart disease and perinatal outcomes. Descriptive statistics and SPSS version 24 statistical package were used.

RESULTS:

Eighty-seven fetuses were analyzed, yielding a prevalence of congenital heart disease of 1.2% of the 6979 births registered during the study period. The most frequent heart diseases were arrhythmias (17 of 87), right heart lesions (17 of 87), complex anomalies (16 of 87) and left heart lesions (14 of 87). There were adverse perinatal outcomes in 62 of the 87 fetuses; perinatal deaths in 17 of 87 (orbits 4 of 87 and neonatal deaths 13 of 87), admitted to intensive care 35 of 87 and had preterm delivery 27 of 87.

CONCLUSIONS:

The group of fetuses with prenatal diagnosis of congenital heart disease had a high prevalence of adverse perinatal outcomes.

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