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| Right and left heart catheterizations | 75 | |
| Aortic stenosis not study of interest | 7 | |
| EF <30% | 16 | |
| Priorvalvular replacement | 5 | |
| Echocardiography imaging unavailable | 4 | |
| Catheter unable to cross aortic valve | 1 | |
| Multiple valves/aortic insufficiency | 2 | |
| Final patients included in study | 40 |
