Research Article

Efficacy of Novel Noncontrast Cardiac Magnetic Resonance Methods in Indicating Fibrosis in Hypertrophic Cardiomyopathy

Table 1

Baseline demographic and cardiac MRI characteristics of the study population.

VariablesAll subjects (n = 26)LGE < 15% (n = 18)LGE ≥ 15% (n = 8) value

Age (y)46.6 (±14)47.1 (±13)y45.2 (±19)0.776
Gender (female)8/26 (30.8%)3/18 (16%)5/8 (62%)0.060
Body surface area (m2)1.91 (±0.21)1.9 (±0.16)1.7 (±0.23)0.006
Positive family history17/26 (68%)14/18 (77%)3/8 (37%)0.078
Heart rate64 (±8)65 (±9)63 (±6)0.522
LVEF (%)54 (±11)58 (±8)47 (±13)0.024
LVESVI (mL/m2)34.7 (±18.3)29 (±13)46 (±23)0.032
LVEDVI (mL/m2)74.7 (±20.8)70 (±19)84 (±22)0.121
LV mass index (g/m2)84.1 (±39.1)78 (±35)96 (±46)0.312
Cardiac output (L/m)4.9 (±1.4)5.3 (±1.4)4.0 (±0.8)0.027
Maximal wall thickness (mm)19.5 (±5.7)17 (±4.1)24 (±6.2)0.003

Values are mean (±SD) or n (%). LVEF: left ventricular ejection fraction; LVESVI: left ventricular end-systolic volume index; LVEDVI: left ventricular end-diastolic volume index; LV: left ventricle.