Table 1.
Patient characteristics and baseline echocardiographic data
| Characteristics | Total (n=50) | TAVI (n=25) | SAVR (n=25) | p Value* |
|---|---|---|---|---|
| Age | 77±8 | 80±6 | 73±7 | 0.001 |
| Male gender, n (%) | 31 (62) | 14 (56) | 17 (68) | 0.56 |
| Body mass index (kg/m2) | 27±4 | 27±3 | 27±5 | 0.77 |
| Body surface area (m2) | 1.86±0.2 | 1.84±0.2 | 1.89±2 | 0.33 |
| Systolic blood pressure (mm Hg) | 139±24 | 136±28 | 142±20 | 0.48 |
| Diastolic blood pressure (mm Hg) | 73±11 | 67±10 | 77±9 | 0.002 |
| Valvuloarterial impedance (Zva) | 4.0±1 | 3.98±1 | 4.01±1 | 0.94 |
| EuroSCORE (%) | 16±15 | 22±14 | 7±3 | <0.001 |
| CV history | ||||
| NYHA class | 2.38±0.7 | 2.48±0.7 | 2.28±7 | 0.30 |
| Coronary artery disease (%DS) | ||||
| < 50% | 29 (58) | 9 (36) | 20 (80) | 0.004 |
| 50–70% | 8 (16) | 5 (20) | 3 (12) | |
| >70% | 13 (26) | 11 (44) | 2 (8) | |
| Prior PCI, n (%) | 5 (10) | 4 (16) | 1 (4) | 0.17 |
| Prior CABG, n (%) | 9 (18) | 8 (32) | 1 (4) | 0.01 |
| Prior MI, n (%) | 8 (16) | 5 (20) | 3 (12) | 0.70 |
| Co-morbidities | ||||
| Hypertension, n (%) | 35 (70) | 15 (60) | 20 (80) | 0.22 |
| Hypercholesterolemia, n (%) | 26 (52) | 16 (64) | 10 (40) | 0.16 |
| Diabetes, n (%) | 13 (26) | 7 (28) | 6 (24) | 0.75 |
| CKD, n (%) | 2 (4) | 2 (8) | 0 (0) | 0.49 |
| Atrial fibrillation, n (%) | 7 (14) | 6 (24) | 1 (4) | 0.04 |
| Previous stroke, n (%) | 6 (12) | 4 (16) | 2 (8) | 0.39 |
| Peripheral vascular disease, n (%) | 7 (14) | 6 (24) | 1 (4) | 0.04 |
| COPD, n (%) | 7 (14) | 5 (20) | 2 (8) | 0.23 |
| Echocardiographic data | ||||
| AVA (cm2) | 0.62±0.3 | 0.58±0.2 | 0.68±0.4 | 0.24 |
| MPG (mm Hg) | 51 (41–61) | 57±22 | 47±13 | 0.05 |
| LV function, ejection fraction, n (%) | ||||
| Good (>50%) | 34 (68) | 15 (60) | 19 (76) | 0.48 |
| Fair (30–50%) | 11 (22) | 7 (28) | 4 (16) | |
| Poor (<30%) | 5 (10) | 3 (12) | 2 (8) | |
Values are mean±SD or n (%)
*p Value for comparison between procedure types.
AVA, aortic valve area; CABG, coronary artery bypass graft; CKD, chronic kidney disease (eGFR<30); COPD, chronic obstructive pulmonary disease; MI, myocardial infarction; MPG, mean pressure gradient; NYHA, New York Health Association; PCI, percutaneous intervention; SAVR, surgical aortic valve replacement; TAVI, transcatheter aortic valve implantation; Zva, valvuloarterial impedance (systolic arterial pressure+mean transvalvular gradient/stroke volume index).