[Congenital Heart Disease Prevalence in Portugal in 2015: Data from the National Register of Congenital Anomalies].

Acta Médica Portuguesa
Isabel Saraiva MeloCarlos Dias

Abstract

The prevalence at birth of congenital heart disease in Portugal is 8.3/1000 births; undetected critical congenital heart disease may result in adverse outcomes for the fetus/newborn infant. This study describes the reported cases of congenital heart disease in Portugal in 2015 regarding antenatal diagnosis, cardiac defect, and presence of other congenital anomalies/chromosomal abnormalities. These indicators are compared in live births and medical pregnancy terminations. Additionally, postnatal deaths were characterized. Congenital heart disease data derived from the 2015 Portuguese National Registry of Congenital Birth Defects were analyzed. The prevalence rates per 1000 births were assessed by the chi-square test of independence. The prevalence of congenital heart disease in this study was 5/1000 live-births (339 live-births, 20% with critical defects). The most common defects were ventricular septal defect (38%), atrial septal defect (15%), aortic coarctation (7%), tetralogy of Fallot (7%) and pulmonary stenosis (5%). One third of the live births had antenatal diagnosis of congenital heart disease. In the live-births with critical congenital heart disease, 54% had antenatal diagnosis and 14% were diagnosed at birth. There we...Continue Reading

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