Table 7.
This table shows the prevalence of congenital heart diseases (CHDs) and/or valvulopathies in children, categorized by the presence of ECG abnormalities (left columns) and a prolonged QTc interval (right columns).
| Structural Alteration of the Heart Associated with ECG Abnormalities | Patients, n. (%) | Structural Alterations of the Heart Associated with Long QTc | Patients, n. (%) |
|---|---|---|---|
| PFO | 164 (61.4) | PFO | 72 (62.1) |
| PFO/IAD OS | 25 (9.4) | PFO + IVD | 6 (5.2) |
| PFO + Mitral insufficiency | 21 (7.9) | PFO + PDA | 4 (3.4) |
| PFO + PDA | 12 (4.5) | PFO/IAD OS | 3 (2.4) |
| PFO + IVD | 6 (2.2) | PFO + Mitral insufficiency | 3 (2.4) |
| PFO/IAD OS + Mitral insufficiency | 3 (1.1) | PFO + Aortic insufficiency | 1 |
| PFO + PDA + Mitral insufficiency | 3 (1.1) | PFO + Tricuspid insufficiency | 1 |
| PFO + Aortic insufficiency | 2 | IAD OS | 12 (10.3) |
| PFO/IAD OS + IVD | 1 | IAD OS + IM | 1 |
| PFO/IAD OS + PDA | 1 | IAD OS + Tricuspid insufficiency | 1 |
| PFO + Aortic coarctation + Mitral insufficiency | 1 | IAD OS + Aortic dysplasia | 1 |
| PFO + Tricuspid insufficiency | 1 | PDA | 4 (3.2) |
| PFO + Flow acceleration at the level of the aortic isthmus without obstructive gradient + Mitral insufficiency | 2 | IVD | 3 (2.4) |
| Mitral insufficiency | 12 (4.5) | Mitral insufficiency | 2 |
| IAD OS | 2 | Aortic Insufficiency | 1 |
| IAD OS + Tricuspid insufficiency | 2 | Pulmonary stenosis | 1 |
| PDA | 2 | TOTAL | 116 |
| PDA + Mitral insufficiency | 2 | ||
| IVD | 1 | ||
| Pulmonary insufficiency | 1 | ||
| Tricuspid insufficiency | 1 | ||
| Mild aortic insufficiency in apparently tricuspid valve | 1 | ||
| Multiple ventricular echo-dense neoformations, referable in the first hypothesis to rhabdomyoma | 1 | ||
| TOTAL | 267 |
Legend: IAD, interatrial defect; IVD, interventricular defect; OS, ostium secundum; PFO, patent foramen ovale; PDA, patent ductus arteriosus.