Table 4.
CMR data among subjects with history of LV dysfunction vs normal LV function during hospitalization
| Parameter | Low LVEF (n=7) | Normal LVEF (n=6) | P value |
|---|---|---|---|
| Age at CMR (years) | 11.9 (6.1–15.3) | 16.2 (13.1–16.7) | 0.03 |
| LVEF (%) | 56 (55–58) | 59 (57–61) | 0.06 |
| RVEF (%) | 53 (52–54) | 55 (51–59) | 0.39 |
| LVEDV (mL) | 128.9 (81–153) | 199.2 (139–212.8) | 0.05 |
| Indexed LVEDV (mL/m2) | 84.2 (72.3–93.5) | 90.8 (80.1–116.4) | 0.39 |
| LV mass (g) | 61.0 (44.4–68.6) | 76.2 (51.9–96.5) | 0.20 |
| Indexed LV mass (g/m2) | 41.3 (36.7–42.4) | 42.9 (31.4–45.2) | 0.78 |
| RVEDV (mL) | 140.1 (86.3–149.4) | 207.0 (130.1–235.7) | 0.12 |
| Indexed RVEDV (mL/m2) | 88.2 (77.6–92.3) | 99.8 (74.9–114.8) | 0.32 |
| Native T1 (ms) | |||
| Base | 1032 (975–1036) | 1028.5 (993–1090) | 0.63 |
| Mid | 988 (977–1019) | 1020 (996–1043) | 0.20 |
| Global | 1002 (990–1047) | 1022 (993–1083) | 0.52 |
| T2 mapping (ms) | |||
| Base | 49.6 (46.2–53.7) | 49.6 (48.4–51.6) | 0.89 |
| Mid | 48.1 (45.6–52.5) | 49.9 (48.1–51.1) | 0.62 |
| Apex | 52.7 (51–55.7) | 53.7 (51–56.6) | 0.75 |
Data presented as median (IQR). CMR, Cardiac magnetic resonance; LV, left ventricle; RV, right ventricle; EF, ejection fraction; EDV, end-diastolic volume; ECV, extracellular volume