Table 1. Demographic and clinical features of previously reported myocarditis following coronavirus disease 2019 vaccination.
| No. | Reference | No. of patients | Sex, M:F | Age, yr median (range) | Sx (No. of patients) | Histopathologic confirmation | Outcome (No. of patients) | Vaccine dose (No. of patients) | Type of vaccine (No. of patients) | Days from vaccination to Sx onset, median (range) |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Montgomery et al.8 | 23 | 23:0 | 25 (20–51) | Chest pain (23/23) | Not done | Resolved (23/23) | 1st (3/23) | BNT162b2-mRNA (7/23) | 50 (12–96)a |
| 2nd (20/23) | mRNA-1273 (16/23) | |||||||||
| 2 | Larson et al.5 | 8 | 8:0 | 28.5 (21–56) | Chest pain (8/8) | Endomyocardial biopsyb | Resolved (8/8) | 1st (1/8) | BNT162b2-mRNA (5/8) | 3 (2–4) |
| Fever (5/8) | 2nd (7/8) | mRNA-1273 (3/8) | ||||||||
| 3 | Marshall et al.7 | 7 | 7:0 | 17 (14–19) | Fever (5/7) | Not done | Resolved (7/7) | 2nd (7/7) | BNT162b2-mRNA (7/7) | 2 (2–4) |
| Chest pain (7/7) | ||||||||||
| Fatigue (3/7) | ||||||||||
| 4 | Rosner et al.9 | 7 | 7:0 | 24 (19–39) | Chest pain (7/7) | Endomyocardial biopsyb | Resolved (7/7) | 1st (2/7) | BNT162b2-mRNA (5/7) | 3 (2–7) |
| Fever (2/7) | 2nd (5/7) | mRNA-1273 (1/7) | ||||||||
| Ad26.CoV.S (1/7) | ||||||||||
| 5 | Snapiri et al.11 | 7 | 7:0 | 16.8 (16.2–17.6) | Chest pain (7/7) | Not done | Resolved (7/7) | 1st (1/7) | BNT162b2-mRNA (7/7) | 2 (1–3) |
| Fever (1/7) | 2nd (6/7) | |||||||||
| 6 | Kim et al.4 | 4 | 3:1 | 30 (23–70) | Chest pain (4/4) | Not done | Resolved (4/4) | 2nd (4/4) | BNT162b2-mRNA (2/4) | 2.5 (1–5) |
| Fatigue (3/4) | mRNA-1273 (2/4) | |||||||||
| Fever (3/4) | ||||||||||
| 7 | Mansour et al.6 | 2 | 1:1 | 23 (21–25) | Chest pain (2/2) | Not done | Resolved (2/2) | 2nd (2/2) | mRNA-1273 (2/2) | 1.5 (1–2) |
| Fever (1/2) | ||||||||||
| 8 | Verma et al.10 | 2 | 1:1 | 43.5 (42–45) | Chest pain (2/2) | Endomyocardial biopsy | Resolved (1/2) | 2nd (2/2) | BNT162b2-mRNA (1/2) | 12 (10–14) |
| Autopsy | Died (1/2) | mRNA-1273 (1/2) | ||||||||
| 9 | Ammirati et al.3 | 1 | 1:0 | 56 | Chest pain | Not done | Resolved | 2nd | BNT162b2-mRNA | 3 |
| 10 | Kim et al.12 | 1 | 1:0 | 24 | Chest pain | Not done | Resolved | 2nd | BNT162b2-mRNA | 1 |
| 11 | Present study | 1 | 1:0 | 22 | Chest pain | Autopsy | Died | 1st | BNT162b2-mRNA | 5 |
| Fatigue |
Sx = symptom, M = male, F = female.
aThe authors reported time to symptom onset as hours with mean (range); bOne patient underwent endomyocardial biopsy in each study, but myocardial inflammation was not found.