Volume 32, Number 4—April 2026
Dispatch
Cardiomyopathy Caused by Coxsackievirus Strain A9 in Previously Healthy Child, Northeastern France, 2024
Table
Laboratory tests performed on a child with recombinant mosaic coxsackievirus strain A9, associated with severe inflammatory cardiomyopathy, northeastern France, 2024*
| Laboratory tests | Day 1 | Day 19 | Day 97 | Day 179 |
|---|---|---|---|---|
| LVTDD, mm | 47.1 (TTE) | 47.6 (MRI) | 34.4 (TTE) | |
| T troponin, ng/L | 57 | 41.3 | 12 | |
| NT ProBNP, pg/mL | 32,843 | 2,897 | 251 |
*Corticosteroids plus intravenous Ig were administered on day 2, day 7, and day 16 of hospitalization. LVTDD, left ventricular tele diastolic diameters; MRI, magnetic resonance imaging; NT Pro BNP, N-terminal prohormone of brain natriuretic peptide; TTE, transthoracic echocardiography.
1These authors contributed equally to this article.
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