Table 4 Associated parameters at low workload.
Overall (N = 123) | Ex PH (N = 57) | No Ex PH (N = 66) | p-value | |
|---|---|---|---|---|
At low workload (10 or 25 W) | ||||
Systolic blood pressure, mmHg | 158.1 ± 24.6 | 161.2 ± 23.3 | 155.4 ± 25.6 | 0.20 |
Diastolic blood pressure, mmHg | 90.1 ± 15.1 | 90.4 ± 14.8 | 89.8 ± 15.5 | 0.83 |
Heart rate, bpm | 98.3 ± 13.5 | 96.9 ± 13.3 | 99.5 ± 13.7 | 0.29 |
Stroke volume, mL | 64.7 ± 16.0 | 66.1 ± 15.7 | 63.4 ± 16.2 | 0.35 |
Cardiac index, L/min/m2 | 3.93 ± 0.98 | 3.94 ± 1.06 | 3.92 ± 0.92 | 0.92 |
Starting from 10 W, n (%) | 9 (7) | 4 (7) | 5 (8) | 0.91 |
Tricuspid regurgitation pressure gradient, mmHg | 40.7 ± 11.4 | 46.7 ± 10.0 | 35.4 ± 9.8 | < 0.001 |
Ejection fraction, % | 67.2 ± 4.6 | 67.1 ± 4.5 | 67.2 ± 4.6 | 0.87 |
Left ventricular global longitudinal strain, % | − 24.5 ± 4.3 | − 24.1 ± 4.4 | − 24.9 ± 4.2 | 0.34 |
E wave, cm/s | 132.1 ± 28.8 | 136.2 ± 27.1 | 128.6 ± 30.0 | 0.15 |
e′ (average), cm/s | 11.6 ± 3.1 | 11.3 ± 3.0 | 11.8 ± 3.2 | 0.36 |
Left atrial reservoir strain, % | 32.4 ± 14.5 | 31.1 ± 14.9 | 33.4 ± 14.1 | 0.38 |
Tricuspid annual plane systolic excursion, mm | 25.5 ± 5.6 | 25.1 ± 5.2 | 25.9 ± 5.9 | 0.45 |
Fractional area change, % | 45.6 ± 5.6 | 45.7 ± 4.7 | 45.5 ± 6.3 | 0.84 |
Right ventricle free wall strain, % | − 25.3 ± 6.2 | − 24.4 ± 4.7 | − 26.1 ± 7.2 | 0.13 |
Severe mitral regurgitation, n (%) | 72 (59) | 36 (63) | 36 (55) | 0.33 |
