Clinical Study

Prenatal Detection of Congenital Heart Diseases: One-Year Survey Performing a Screening Protocol in a Single Reference Center in Brazil

Table 4

Congenital heart disease recognised prenatally by classification system of fetal heart diseases according to complexity of the heart anatomical abnormalities.

Cardiac abnormalityFrequency ( )

Complex13 (48.1%)
 Heterotaxy or atrial isomerism1
 Hypoplastic left heart syndrome6
 Tricuspid atresia1
 Ebstein’s anomaly2
 Truncus arteriosus1
 Complete atrioventricular septal defect1
 Double outlet of right ventricle1
Significant5 (18.5%)
 Tetralogy of Fallot2
 Large ventricular septal defect1
 Tricuspid valve dysplasia1
 Critical pulmonary stenosis1
Minor2 (7.4%)
 Small ventricular septal defect2
Others7 (26%)
 Dysrhythmias1
 Cardiomyopathies2
 Pulmonary sequestration1
 Secondary dextrocardia/levocardia2
 Restrictive ductus arteriosus1