Table 2. Comparison of the preoperative and postoperative hemodynamic parameters assessed with the non-invasive ARC Solver method.
| Before AVR | After AVR | p value | |
|---|---|---|---|
| Systolic BP (mmHg) | 128.1 ± 21.2 | 123.3 ± 18.9 | 0.232 |
| Diastolic BP (mmHg) | 77.1 ± 11.8 | 71.6 ± 10.6 | 0.116 |
| Pulse pressure (mmHg) | 51.2 ± 10.8 | 52.1 ± 8.5 | 0.749 |
| Total vascular resistance (mmHg sec/mL) | 1.38 ± 0.41 | 1.12 ± 0.38 | 0.241 |
| Cardiac output (L/min) | 4.3 ± 1.1 | 5.3 ± 0.8 | 0.018 |
| Cardiac index (L/min m2) | 2.2 ± 0.4 | 2.9 ± 0.3 | 0.032 |
| PWV (m/sec) | 9.07 ± 1.28 | 8.44 ± 1.81 | 0.332 |
| Augmentation index (%) | 26.6 ± 4.8 | 25.8 ± 3.5 | 0.466 |
AVR: aortic valve replacement; BP: blood pressure; PWV: pulse wave velocity; ARC: ARC Solver method (Austrian Institute of Technology, Vienna, Austria).