Baseline characteristics of BAV patients according to aortic phenotype
| No aortic dilatation, normal shape N=47 | Aortic dilatation Valsalva>AA N=93 | Aortic dilatation AA>Valsalva N=213 | p Value | |
|---|---|---|---|---|
| Clinical characteristics | ||||
| Age (years) | 38±16 | 49±14 | 50±14 | <0.0001* |
| Male gender n (%) | 33 (70%) | 84 (90%) | 134 (65%) | <0.004† |
| BSA (m²) | 1.88±0.21 | 2.0±0.20 | 2.0±0.24 | 0.006* |
| Echocardiographic characteristics | ||||
| AR≥moderate | 13 (28%) | 44 (47%) | 65 (31%) | 0.01† |
| AS≥moderate | 4 (9%) | 9 (12%) | 37 (19%) | 0.15 |
| BAV morphology | ||||
| Typical | 25 (54%) | 83 (92%) | 150 (72%) | <0.0001‡ |
| All types (%) | <0.0001‡ | |||
| Typical with raphe | 28 | 86 | 64 | |
| Typical without raphe | 26 | 27 | 9 | |
| Atypical with raphe | 20 | 1 | 9 | |
| Atypical without raphe | 26 | 6 | 18 | |
*NS between Valsalva>AA and AA>Valsalva.
†NS between AA>Valsalva and normal shape.
‡Significant for predominance of typical type in Valsalva>AA phenotype.
AA, ascending aorta; AS, aortic stenosis; BAV, bicuspid aortic valve.