Table 2.
Patients Demographics of controls and myocarditis patients
| Healthy control (n = 39) | Acute myocarditis (n = 23) | p-value | |
|---|---|---|---|
| Median age at CMR (years) | 15.1 (IQR 11.3–17.2) | 16.3 (IQR 14.7–17.7) | 0.054 |
| Gender (% male) | 69% | 61% | 0.50 |
| ICU Admission | – | 13/23 (56.5%) | – |
| Required Inotropes | – | 6/23 (26.1%) | – |
| Treated with IVIG | – | 12/23 (52.2%) | – |
| Presence of Arrhythmias | – | 4/23 (17.4%) | – |
| Elevated Troponin | – | 22/23 (96%) | – |
| Time from diagnosis to CMR (days) | – | 4.5 (range, 1–26) | – |
| Required Anesthesia for CMR | 4/39 (10.3%) | 6/23 (26.1%) | < 0.001 |
| Left Ventricular Ejection Fraction (%) | 57.0 ± 4.8 | 54.5 ± 7.3 | 0.17 |
| Indexed LVEDV (ml/m2) | 92 ± 16 | 92 ± 23 | 0.89 |
| Edema Present (T2W) | – | 13/23 (57%) | – |
| Hyperemia Present (T1W) | – | 3/23 (13%) | – |
| LGE Present | – | 20/23 (86%) | – |
| Met LLC criteria | – | 13/23 (57%) | – |
Mean values listed unless otherwise specified. CMR: Cardiovascular Magnetic Resonance, IQR: Interquartile range, ICU: Intensive Care Unit, IVIG: Intravenous Immunoglublin,, LVEDV: Left ventricular end-diastolic volume, LGE: late gadolinium enhancement, LLC: Lake Louise Criteria