Table 1 Baseline clinical characteristics and right ventricular function parameters of patients with repaired tetralogy of Fallot and controls
Characteristics | rToF (n = 33) | Controls (n = 30) |
|---|---|---|
Age (years) | 20 ± 8 | 21 ± 6 |
Female, n (%) | 19 (58) | 19 (63) |
Body surface area (m2) | 1.6 ± 0.2 | 1.8 ± 0.3* |
LV end-diastolic volume (ml/m2) | 75 ± 13 | 65 ± 12** |
LV end-systolic volume (ml/m2) | 32 ± 7 | 25 ± 6*** |
LV ejection fraction (%) | 58 ± 4 | 62 ± 4** |
RV systolic pressure (mmHg) | 32 ± 7 | 21 ± 5 ** |
RV free-wall S′ (cm/s) | 10 ± 2 | 15 ± 2** |
TAPSE (mm) | 18 ± 3 | 25 ± 4** |
RV fractional area change (%) | 37 ± 5 | 49 ± 7** |
RV end-diastolic volume (ml/m2) | 133 ± 34 | 52 ± 18** |
RV end-systolic volume (ml/m2) | 74 ± 24 | 24 ± 10** |
RV ejection fraction (%) | 45 ± 6 | 55 ± 5** |
Two-dimensional RV strain | rToF (n = 29) | Controls (n = 28) |
RV global LS (%) | -20.0 ± 2.3 | -24.9 ± 3** |
RV free-wall LS (%) | -19.8 ± 3 | -29.4 ± 3.9** |
RV septal LS (%) | -18.7 ± 6 | -19.7 ± 2.0 |
Age (months) at surgical repair | 8 ± 11 | - |
Duration (years) from the surgery to the time of study recruitment | 18.6 ± 7.3 | - |
Type of surgery | ||
Transannular patch | 25 (76%) | - |
Infudibulectomy | 4 (12%) | - |
Unknown | 4 (12%) | - |