Introduction:

Neonatal congenital cardiopathies have a global incidence of 8 x 1000 live births and it greatly determines their mortality.

Objective:

To specify the neonatal morbidity and mortality by congenital cardiopathies.

Method:

Descriptive, longitudinal and prospective study of 97 newborns with these cardiopathies diagnosed in the Neonatolgy Service in ´´Dr. Agostinho Neto´´ Hospital, Guantánamo province from 2015 to 2017. It was considered: the segmental analysis, probable mechanisms that determine it and cardiopathy type.

Results:

Congenital cardiopathies were identified in 12.9 % of the newborns; the lethality was of 1.0%. The most common aspect was the identification of ways and types of aurículo-ventricular and physiologic ventrículo-arterial connection. Anomalies in the cellular death (47.3 %) were the most frequent genetic and molecular mechanism. The most frequent congenital heart disease was the interventricular communication (63.9 %). Most of the cardiopathies were classified as: isolated (95.9 %); of moderate graveness (92.8 %); acyanotic (93.8 %); not associated to syndromes or genetic diseases (94.9 %) but yes to extracardiac malformations (94.9 %); and they manifested mainly by heart murmur (85.6 ). The diagnosis of 70.1 % of the cardiopathies was carried out in prenatal stage.

Conclusions:

Congenital cardiopathies don't constitute a health problem in the Neonatology service of the Hospital; but instead that these were mainly diagnosed in the prenatal stage, it is required to continue working in function of boosting their prenatal diagnosis.

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