Table 3.
Clinical and echocardiographic evolution.
| No OA (N=61) | OA (N=42) | P-value | |
|---|---|---|---|
| Mean gradient (mmHg) (SD) | 21.4 (10.0) | 16.8 (7.7) | 0.037* |
| Max. gradient (mmHg) (SD) | 33.4 (13.7) | 28.4 (10.2) | 0.05* |
| iEOA (cm2) (SD) | 0.79 (0.77) | 0.77 (0.22) | 0.357 |
| Dimensionless index | 0.43 (0.11) | 0.42 (0.08) | 0.774 |
| LVEF (%) | 59.6 (6.6) | 57.6 (9.0) | 0.186 |
| Central leak (%) | 5 (8.2) | 1 (2.4) | 0.216 |
| NYHA (%) | 0.032* | ||
| Increase | 7 (13.5) | 2 (5.4) | |
| No change | 22 (41.5) | 8 (21.6) | |
| Decrease | 24 (45.3) | 27 (73.0) |
iEOA=indexed effective orifice area; LVEF=left ventricular ejection fraction NYHA=New York Heart Association; OA=oral anticoagulation; SD=standard deviation.
P<0.05.