Table 2.
Comparison of data between HCM patients with or without abnormal venous residual volume fraction.
| Abnormal RVFv (n = 9) |
Normal RVFv (n = 21) |
p | |
|---|---|---|---|
| Men | 67% | 67% | 0.89 |
| Age | 64 ± 9 | 60 ± 13 | 0.29 |
| Body mass index | 31.2 ± 4.6 | 28.5 ± 4.9 | 0.17 |
| Height, cm | 169 ± 11 | 166 ± 8 | 0.41 |
| Systolic blood pressure, mmHg | 135 ± 13 | 137 ± 21 | 0.85 |
| NYHA functional class | 2.3 ± 0.5 | 2.3 ± 0.5 | 0.81 |
| Brain Natriuretic Peptide | 377 ± 388 | 312 ± 507 | 0.74 |
| Elevated Von Willebrand factor | 56% | 26% | < 0.05 |
| Maximal LV wall thickness, mm) | 17.3 ± 2.0 | 18.1 ± 2.5 | 0.36 |
| Left ventricular ejection fraction, % | 68.9 ± 7.3 | 70.1 ± 7.8 | 0.68 |
| Global longitudinal strain, % | 15.3 ± 4.5 | 15.6 ± 4.2 | 0.89 |
| Left ventricular end-diastolic volume index, ml/m2 | 40.1 ± 9.0 | 50.2 ± 10.6 | 0.02 |
| Max LVOTO gradient, mmHg | 59.4 ± 31.0 | 65.9 ± 31.4 | 0.61 |
| Mean E/E’ | 12.0 ± 2.6 | 11.5 ± 4.7 | 0.67 |
| Left atrial volume index, mm/m2 | 49.8 ± 16.5 | 53.9 ± 18.3 | 0.55 |
| Vena cava expirium diameter, mm | 16.3 ± 6.2 | 15.8 ± 6.0 | 0.82 |
| Systolic pulmonary artery pressure, mmHg | 34.4 ± 12.8 | 33.2 ± 7.9 | 0.78 |
Data are expressed in mean ± SD or n (%), RVFv = venous residual volume fraction.