Table 7:
Aortic Valve Hemodynamics
| Author, Year N (TAVI/SAVR)a | Mean Aortic Valve Area (SD), cm2 | Mean Aortic Valve Gradient (SD), mm Hg |
|---|---|---|
| Reardon et al, 201719 | Baseline | Baseline |
| SURTAVI | TAVI: 0.8 (0.2) | TAVI: 47.2 (14.3) |
| Baseline | SAVR: 0.8 (0.2) | SAVR: 47.8 (13.8) |
| 1,642 (856/786) | Discharge | Discharge |
| Discharge | TAVI: 2.1 (0.6) | TAVI: 8.9 (4.1) |
| 1,560 (835/725) | SAVR: 1.8 (0.6) | SAVR: 12.4 (5.7) |
| 1 year | 1 year | 1 year |
| 1,090 (590/500) | TAVI: 2.2 (0.6) | TAVI: 8.3 (4.0) |
| 2 years | SAVR: 1.8 (0.6) | SAVR: 11.7 (5.6) |
| 537 (294/243) | 2 years | 2 years |
| TAVI: 2.2 (0.7) | TAVI: 7.8 (3.4) | |
| SAVR: 1.7 (0.5) | SAVR: 11.8 (5.7) | |
| Statistically significant difference between groups at all time points post-procedure | Statistically significant difference between groups at all time points post-procedure | |
| Leon et al, 201610 | Baseline | Baseline |
| PARTNER 2 | TAVI: 0.7 (0.2) | TAVI: 44.9 (13.4) |
| Baseline | SAVR: 0.7 (0.2) | SAVR: 44.6 (12.5) |
| 2,032 (1,011/1,021) | 30 days | 30 days |
| 30 days | TAVI: 1.7 (0.5) | TAVI: 9.7 (3.5) |
| 1,678 (890/788) | SAVR: 1.5 (0.4) | SAVR: 10.9 (4.3) |
| 1 year | 1 year | 1 year |
| 1,384 (751/633) | TAVI: 1.6 (0.4) | TAVI: 10.7 (4.5) |
| 2 years | SAVR: 1.4 (0.4) | SAVR: 11.5 (4.4) |
| 1,162 (626/536) | 2 years | 2 years |
| TAVI: 1.5 (0.4) | TAVI: 10.8 (4.6) | |
| SAVR: 1.4 (0.4) | SAVR: 11.7 (4.7) | |
| Statistically significant difference between groups at all time points post-procedure | Statistically significant difference between groups at all time points post-procedure |
Abbreviations: SAVR, surgical aortic valve replacement; SD, standard deviation; TAVI, transcatheter aortic valve implantation.
a
Aortic valve hemodynamics were evaluated in the implanted population.