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Percentage of Affected
Patients With Congenital
Heart Disease Common Cardiac Findings
60%–80% Interrupted aortic arch type B, other aortic arch
abnormalities, truncus arteriosus, tetralog y of Fallot,
ventricular septal defect/pulmonary atresia
40%–50% Atrial septal defect, ventricular septal defect,
atrioventricular septal defect, tetralog y of Fallot
75% Atrial septal defect, ventricular septal defect, valvular
disease (mitral valve prolapse, pulmonary stenosis)
50% Patent ductus arteriosus, atrial septal defect, mitral valve
prolapse
80% Pulmonary stenosis, atrial septal defect, hypertrophic
cardiomyopathy, atrioventricular septal defect
30% Bicuspid aortic valve, coarctation of the aorta,
aortopathies, partial anomalous pulmonary venous
connection, atherosclerosis risk
50%–80% Supravalvar aortic stenosis, branch pulmonary artery
stenosis, supravalvar pulmonary stenosis, coronary ostial
stenosis, QTc prolongation, mid-aortic narrowing syndrome
70%–75% Two-thirds with peripheral or branch pulmonary artery
stenosis or other arterial narrowing (coarctation of
the aorta, renal artery stenosis, middle cerebral artery,
Moyamoya); also can have tetralog y of Fallot, aortic
stenosis, septal defects, mid-aortic narrowing syndrome
50%–95% Atrioventricular septal defect (balanced, unbalanced),
malposed great vessels, interrupted inferior vena cava,
bilateral superior vena cava, atrial isomerism
