Table 2 CMR imaging findings
From: Endogenous T1ρ cardiovascular magnetic resonance in hypertrophic cardiomyopathy
HCM patients (N = 40) | Controls (N = 10) | p-value | |
|---|---|---|---|
Left ventricle (LV) | |||
LV mass (g) | 148 (51) | 94 (32) | < 0.001 |
LV mass index (g/m2) | 74.8 (22.8) | 48.6 (11.8) | < 0.001 |
LVEDV (mL) | 167 (36.0) | 163 (46.5) | 0.797 |
LVEDVI (mL/m2) | 85.1 (13.6) | 85.3 (15.8) | 0.961 |
LVESV (mL) | 58.8 (17.2) | 66.1 (20.6) | 0.322 |
LVESVI (mL/m2) | 30.0 (7.90) | 34.6 (7.73) | 0.114 |
LV stroke volume (mL) | 109 (25.3) | 97.8 (26.5) | 0.263 |
LVEF (%) | 65.0 (6.18) | 60.2 (2.25) | < 0.001 |
Right ventricle (RV) | |||
RVEDV (mL) | 147 (35.0) | 177 (49.1) | 0.091 |
RVEDVI (mL/m2) | 74.4 (13.1) | 93.4 (18.8) | 0.011 |
RVESV (mL) | 52.6 (18.0) | 81.4 (26.0) | 0.001 |
RVESVI (mL/m2) | 26.7 (7.75) | 42.7 (11.3) | 0.001 |
RV stroke volume (mL) | 94.2 (23.5) | 95.8 (25.0) | 0.855 |
RVEF (%) | 64.4 (7.10) | 54.1 (4.31) | < 0.001 |
Tissue characterization | |||
T1 pre-contrast (ms) | 986 (41.0) | 923 (30.0) | < 0.001 |
T1ρ (ms) | 72.2 (5.86) | 65.4 (5.24) | < 0.001 |
T1 post-contrast (ms) | 471 (31.1) | 476 (38.4) | 0.618 |
ECV (%) | 28.1 (3.28) | 24.3 (2.24) | < 0.001 |