Table 1 Baseline patient characteristics
All patients with follow-up | 405 (92.5) |
Time to follow-up [days] | 1591 (1490–1739) |
Gender, female | 177 (43.7) |
Age [years] | 47.9 (36.9-60.8) |
Referring physician | |
Inpatients | 222 (54.8) |
Outpatients referred by cardiologists | 154 (38.0) |
Outpatients referred by general practitioners | 29 (7.2) |
Primary cardiac symptoms leading to CMR (multiple possible) | |
Reduced LVEF | 82 (20.2) |
Pericardial effusion | 6 (1.5) |
ECG abnormality | 131 (32.3) |
Palpitations | 92 (22.7) |
Dyspnea | 137 (33.8) |
Angina/Chest pain | 217 (53.6) |
Abnormal fatigue | 96 (23.8) |
Wall motion abnormality | 17 (4.2) |
Ventricular arrythmias/Extrasystoles | 45 (11.1) |
Aborted SCD | 6 (1.5) |
Viral prodrome/history of infectious symptoms | 130 (32.1) |
Atrial fibrillation | 50 (12.4) |
Elevated troponin | 38 (9.4) |
Coronary angiography performed | 205 (50.6) |
EMB performed | 78 (20.5) |
Histopathological myocarditis in EMB | 53 (68.8) |
PVB19 | 29 (37.7) |
HHV6 | 12 (15.6) |
Double infection PVB19/HHV6 | 10 (13.0) |
EBV | 1 (1.3) |
CMR imaging parameters | |
LVEF [%] | 62.5 (55.0-68.0) |
LV-EDV [ml] | 137 (110–164) |
LV-ESV [ml] | 50 (36–72) |
LVEDD [mm] | 50 (46.0-54.5) |
Pericardial effusion present | 76 (18.8) |
LGE present | 114 (28.3) |
Final diagnosis based on CMR | |
No cardiac pathology | 225 (55.6) |
Myocarditis | 116 (28.8) |
Other cardiac pathology | 63 (15.6) |