Table 1.
Echocardiographic measurements of right ventricle outflow tract flow profiles.
| CTRL (n = 15) | PAH (n = 13) | PAH+RES (n = 13) | RES (n = 13) | |
|---|---|---|---|---|
| Heart rate (bpm) | 315 ± 10 | 328 ± 18 | 328 ± 7 | 318 ± 6.4 |
| Pulmonary artery acceleration time (ms) | 35 ± 2.2 | 21±1.8∗∗ | 20 ± 1.3∗ | 31 ± 2.1# |
| Ejection time (ms) | 98.2 ± 5.1 | 82.9 ± 4.6 | 80.6 ± 4.6 | 87.5 ± 5.8 |
| PAAT/ET ratio | 0.35 ± 0.02 | 0.25 ± 0.02∗ | 0.26 ± 0.02 | 0.35 ± 0.01# |
| Peak gradient (mmHg) | 3.1 ± 0.3 | 3.2 ± 0.2 | 3.4 ± 0.4 | 3.5 ± 0.2 |
| Estimated mPAP (mmHg) | 21 ± 2 | 36 ± 2.2∗ | 30 ± 1.1∗ | 21 ± 1.7# |
PAAT: pulmonary artery acceleration time; ET: ejection time. All data are presented as the mean ± SEM. ∗p < 0.05 vs. CTRL; #p < 0.05 vs. PAH.