Table 2.
Measured and calculated parameters.
| Parameter | Rest (n = 20) | Exercise (n = 20) | P value |
|---|---|---|---|
| Watt | 83.5 ± 37.8 | < 0.001 | |
| Right arm blood pressure systolic (mmHg) | 128.5 ± 21.5 | 158.7 ± 34 | 0.002 |
| Right arm blood pressure diastolic (mmHg) | 64.8 ± 9.1 | 78.8 ± 19.2 | 0.01 |
| Heart rate (bpm) | 72.9 ± 14.2 | 107.4 ± 12.4 | < 0.001 |
| Stroke volume index (ml/m2) | 50.6 ± 6 | 52.2 ± 6.1 | 0.28 |
| Volume flow rate ascending aorta (ml/s) | 407.0 ± 87.3 | 494.4 ± 146.5 | < 0.001 |
| Volume flow rate descending aorta (ml/s) | 225.5 ± 76.7 | 274.8 ± 83.6 | 0.002 |
| Cardiac index (l/min/m2) | 3.7 ± 0.8 | 5.6 ± 0.9 | < 0.001 |
| Pressure gradient (mmHg) | 17.99 ± 16.61 | 28.45 ± 22.56 | < 0.001 |
| SFD ascending aorta | 0.46 ± 0.39 | 0.42 ± 0.31 | 0.14 |
| SFD descending aorta | 0.5 ± 0.45 | 0.58 ± 0.66 | 0.53 |
| NFD ascending aorta | 0.08 ± 0.06 | 0.08 ± 0.06 | 0.86 |
| NFD descending aorta | 0.11 ± 0.06 | 0.12 ± 0.06 | 0.53 |
| WSS (Pa) | 20.33 ± 12.20 | 25.37 ± 14.84 | 0.01 |
Values are mean ± SD or numbers (%). Differences between rest and exercise were compared using paired t-tests for normally distributed data and Wilcoxon signed-rank test for non-normally distributed data.
SFD secondary flow degree, NFD normalized flow displacement, WSS wall shear stress.