Clinical, echocardiographic and CMRI characteristics in control subjects and patients with hypertrophic cardiomyopathy
| Characteristics | Control subjects (n=17) | Patients with HCM (n=24) |
| Men/women | 8/9 | 11/13 |
| Age, years | 38±12 | 42±13 |
| Vmax, m/s | 1.3±0.2 | 1.4±0.5 |
| LV MRI findings | ||
| Maximal wall thickness, mm | 9.7±1.7 | 19.5±4.9** |
| Mass, g | 123±32 | 151±57 |
| End-diastolic volume, ml | 146±25 | 122±45** |
| End-systolic volume, ml | 56±15 | 52±29 |
| Hypokinetic segments, % | 12±12 | 37±20** |
| Ejection fraction, % | 61±7 | 58±7 |
| Perfusion reserve | 1.80±0.58 | 1.12±0.35* |
| The heterogeneity of late-enhancement, % | 12±3 | 18±11* |
Vmax indicates maximum velocity in the Doppler signal from the jet in left ventricular outflow tract.
Data are means±SD.
*p<0.05, **p<0.001.
CMRI, cardiac magnetic resonance imaging; HCM, hypertrophic cardiomyopathy; LV, left ventricular.