Clinically relevant patient and procedure characteristics
| Variable | Measure |
| Patient baseline characteristics | |
| Age, year | 83.5±8.8 |
| Male sex | 7 (64) |
| BMI, kg/m2 | 29.7±5.2 |
| STS mortality, % | 4.4±1.8 |
| STS morbidity, % | 24.6±11.5 |
| AVA, cm2 | 0.9±0.1 |
| Single antiplatelet | 2 (18) |
| Single antiplatelet and anticoagulation | 5 (45) |
| Dual antiplatelet | 3 (27) |
| Dual antiplatelet and anticoagulation | 1 (9) |
| Stroke or TIA | 4 (36) |
| IHD (including stable angina and acute coronary syndromes) | 4 (36) |
| Congestive cardiac failure | 0 (0) |
| Ejection fraction | 62±17.8 |
| Pulmonary embolism or DVT | 1 (9) |
| Hypertension | 7 (64) |
| Hyperlipidaemia | 4 (36) |
| Diabetes mellitus | 2 (18) |
| Creatinine >150 µmol/L | 1 (9) |
| Chronic liver disease | 0 (0) |
| Procedural characteristics | |
| Device success | 11 (100) |
| Average procedure time, min | 26±4.5 |
| Duration of rapid ventricular pacing, s | 24±5.8 |
Values are expressed as median±IQR or as n (%).
AVA, aortic valve area; BMI, body mass index; DVT, deep vein thrombosis; IHD, ischaemic heart disease; STS, Society of Thoracic Surgeons; TIA, transient ischaemic attack.