TABLE II.
Pulmonary Valve Function, Right Ventricular Size, and Tricuspid Valve Function
| Measure | Baseline (Time 0) | Discharge (Time 1) | 30-Day Follow-Up (Time 2) | 6-Month Follow-Up (Time 3) | Repeated Measures ANOVA (P-value) | Significant Paired t-Tests (P < 0.05) |
|---|---|---|---|---|---|---|
| Conduit stenosis peak gradient (mmHg) | 41.9 ± 26.3 | 22.3 ± 13.7 | 24.1 ± 19.4 | 18.1 ± 13.7 | <0.01 | Time 0 versus 1, 2, 3 |
| Conduit stenosis mean gradient (mmHg) | 23.0 ± 15.0 | 13.2 ± 8.0 | 12.2 ± 8.9 | 11.3 ± 8.5 | <0.01 | Time 0 versus 1, 2, 3 |
| RV end-diastolic area (cm2) | 41.7 ± 9.9 | 41.9 ± 10.9 | 38.3 ± 8.6 | 37.9 ± 9.8 | <0.01 | Time 0 versus 2, 3 Time 1 versus 2, 3 |
| RV end-systolic area (cm2) | 29.6 ± 7.4 | 29.4 ± 8.7 | 26.4 ± 6.9 | 27.1 ± 9.4 | <0.01 | Time 0 versus 2 Time 1 versus 2 |
| Indexed RV end-diastolic area (cm2/m2) | 23.3 ± 5.6 | 23.5 ± 4.9 | 21.4 ± 4.9 | 21.0 ± 5.2 | <0.01 | Time 0 versus 2, 3 Time 1 versus 2, 3 |
| TR peak gradient (mmHg) | 55.9 ± 20.6 | 47.4 ± 17.7 | 41.5 ± 15.0 | 40.2 ± 11.7 | <0.01 | Time 0 versus 1, 2, 3 Time 1 versus 2, 3 |
| Indexed TR jet area (cm2/m2) | 0.18 ± 0.20 | 0.11 ± 0.12 | 0.11 ± 0.17 | 0.10 ± 0.09 | <0.01 | Time 0 versus 1, 2, 3 |
| Tricuspid valve annulus z-score | 1.36 ± 0.94 | 1.41 ± 0.99 | 1.49 ± 1.00 | 1.64 ± 0.80 | 0.89 | none |
Values are mean ± SD, P-values, or time points where differences in measures were statistically significant by paired t-test.
RV = right ventricular; TR = tricuspid regurgitation.