Table 2.
Previous Surgical and Catheter-Based Interventionsa
| Previous Interventions | Number of Patients |
|---|---|
| Surgery | |
| Tetralogy of Fallot repair | 47 |
| Right ventricular outflow tract reconstruction | 12 |
| Systemic to pulmonary artery shunt | 10 |
| Pulmonary valvotomy | 10 |
| Pulmonary atresia/ventricular septal defect repair | 3 |
| Double-outlet right ventricle repair | 2 |
| Ventricular septal defect (subarterial type) closure | 1 |
| Arterial switch operation | 1 |
| Supravalvular pulmonary stenosis repair | 1 |
| Pulmonary valve replacement | 1 |
| Truncus arteriosus repair | 1 |
| Brock procedure | 1 |
| Coarctation of the aorta repair (thoracotomy) | 1 |
| Catheter-based intervention | |
| Branch or peripheral pulmonary artery stent placement | 9 |
| Catheter ablation for right ventricular arrhythmia focus | 2 |
| Radiofrequency pulmonary valve perforation | 2 |
| Balloon pulmonary valve dilatation | 1 |
| Automated implantable cardioverter-defibrillator placement | 1 |
a
Some patients had more than one intervention.