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.
Variables
All subjects (n = 26)
LGE < 15% (n = 18)
LGE ≥ 15% (n = 8)
value
Age (y)
46.6 (±14)
47.1 (±13)y
45.2 (±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 history
17/26 (68%)
14/18 (77%)
3/8 (37%)
0.078
Heart rate
64 (±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.