Table 2.
CMR imaging findings
| 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 |
Values are presented as Mean (Standard Deviation)
p-values < 0.05 are bolded
CMR cardiovascular magnetic resonance, ECV extracellular volume, EDV end diastolic volume, EDVI end diastolic volume index, ESV end systolic volume, ESVI end systolic volume index, HCM hypertrophic cardiomyopathy, LV left ventricle, LVEF left ventricular ejection fraction, RV right ventricle, RVEF right ventricular ejection fraction