Table 2.
Effect of treatment with bosentan on echocardiographic parameters
| Parameter | Baseline | Final follow-up | P valuea |
|---|---|---|---|
| RVSP from TR (mmHg) (n = 4) |
94.0 ± 13.4 |
85.5 ± 7.6 |
0.3750 |
| Peak velocity of PR (m/s) (n = 2) |
4.00 ± 0.14 |
4.05 ± 0.07 |
1.0000 |
| AcT (m/s) |
62.9 ± 11.6 |
83.0 ± 9.6 |
0.0156 |
| AcT/ET | 0.24 ± 0.04 | 0.30 ± 0.02 | 0.0156 |
RVSP: right ventricular systolic pressure; TR: tricuspid regurgitation; PR: pulmonary regurgitation; AcT: acceleration time; AcT/ET: acceleration/ejection time ratio; aWilcoxon signed-rank test.