Table 1.
Baseline characteristics of study participants.
| Variable | Controls (n = 10) | Cases (n = 10) |
|---|---|---|
| Patient characteristics | ||
| Age, years | 83.3 ± 9.4 | 84.2 ± 3.2 |
| Female | 4 (40%) | 5 (50%) |
| Body mass index, kg/m2 | 31.4 ± 8.4 | 27 ± 5.9 |
| EuroSCORE II, % | 5.9 ± 2.6 | 5.1 ± 3.1 |
| STS, % | 6.6 ± 3.6 | 5.5 ± 2.7 |
| Arteriovenous anastomosis, cm2 | 0.8 ± 0.1 | 0.8 ± 0.1 |
| Peak jet velocity | 4.3 ± 0.4 | 4.4 ± 0.6 |
| Mean pressure gradient | 49.2 ± 11.4 | 47 ± 16.2 |
| Pre-operative left ventricular ejection fraction | 58.4 ± 9.2 | 51.3 ± 16.7 |
| Procedural characteristics | ||
| Device success | 10 (100%) | 10 (100%) |
| Average procedure time, min | 93 ± 68 | 61 ± 13 |
STS, Society of Thoracic Surgeons.