Table 3 Characteristics of patients with aortic stenosis (AS) and hypertrophic cardiomyopathy (HCM) with (+) and without (–) focal hyperenhancement (HE).
| AS (n = 22) | HCM (n = 22) | |||
|---|---|---|---|---|
| HE− (n = 16) | HE+ (n = 6) | HE− (n = 6) | HE+ (n = 16) | |
| LV mass (g) | 221.6 (60.8) | 283.8 (96.8) | 156.7 (68.5) | 223.6 (78.8) |
| MWT (mm) | 16.3 (3.0) | 22.0 (3.1)* | 20.5 (3.2) | 21.6 (4.7) |
| EF (%) | 49.4 (17.7) | 61.7 (13.7) | 74.5 (4.0) | 69.9 (8.3) |
| EDV (ml) | 179.2 (76.3) | 158.3 (68.5) | 98.8 (16.9) | 125.4 (36.9)† |
| ESV (ml) | 96.5 (68.6) | 71.5 (40.8)‡ | 25.2 (1.7) | 38.9 (18.2)† |
| AVA (cm2) | 0.99 (0.3) | 0.80 (0.09)* | NA | NA |
| Echocardiographic gradient (mm Hg) | 74 (24) | 98 (22)* | NA | NA |
| HE volume (% LV) | NA | 4.3 (1.9) | NA | 8.6 (7.4)§ |
| Number of segments with HE | NA | 4.5 (3.1) | NA | 4.6 (2.7) |
| Location of HE | ||||
| Anteroseptal | NA | 29% | NA | 48%¶ |
| Anterolateral | NA | 15% | NA | 12% |
| Inferoseptal | NA | 15% | NA | 22% |
| Inferolateral | NA | 41% | NA | 18% |
Data are mean (SD) or number (%).
*p<0.05 v AS HE−; †p<0.05 v HCM HE−; ‡p<0.05 v HCM HE+; §p<0.05 v AS HE+; ¶p<0.05 v anterolateral, inferoseptal and inferolateral in HCM.
EDV, end diastolic volume; EF, ejection fraction; ESV, end systolic volume; LV, left ventricular; MWT, maximum diastolic wall thickness; NA, not applicable.