Patient characteristics
| Patients | Healthy controls | |
|---|---|---|
| NYHA, New York Heart Association functional class; RV, right ventricular. | ||
| Male/female (n) | 19/18 | 19/18 |
| Age at study (years) | 16.8 (9), range 6–33 | 17.2 (9), range 6–33 |
| Children (age <18 years) (n=24) | 12 (3) | 12 (3) |
| Adults (n=13) | 29 (7) | 28 (9) |
| Body surface area (m2) | 1.7 (0.49) | 1.7 (0.42) |
| Age at operative repair (years) | 4.5 (3) | |
| Time of follow up (years) | 14 (7) | |
| Right ventriculotomy (n) | 10 | |
| Transannular patch (n) | 13 | |
| Restrictive RV filling pattern (n) | 13 | |
| Pulmonary stenosis (>30 mm Hg) (n) | 3 | |
| Pulmonary regurgitation (n) | 34 | |
| Functional state at time of study | ||
| NYHA class I (n) | 34 | |
| NYHA class II (n) | 3 | |