Myocarditis in the setting of RSV bronchiolitis

Area of Science:

• Pediatric Cardiology
• Infectious Diseases
• Critical Care Medicine

Background:

• Myocarditis in children is typically viral, with enterovirus and adenovirus being common culprits.
• Respiratory syncytial virus (RSV) is a frequent respiratory pathogen in children but rarely linked to myocarditis.
• The exact incidence and prognosis of pediatric myocarditis remain unclear due to diagnostic challenges and varied presentations.

Observation:

• This report details a rare case of fulminant myocarditis in a seven-month-old infant.
• The infant presented with severe bronchiolitis caused by respiratory syncytial virus.
• The clinical presentation underscores a potential, albeit uncommon, association between RSV and severe myocarditis.

Findings:

• The case demonstrates respiratory syncytial virus as a causative agent in fulminant pediatric myocarditis.
• This challenges the general understanding of RSV's limited role in myocarditis.
• The severity of the condition necessitated intensive care unit monitoring.

Implications:

• Highlights the need to consider RSV in the differential diagnosis of pediatric myocarditis, especially in severe cases.
• Emphasizes the importance of prompt pediatric intensive care unit admission for hemodynamic monitoring in suspected pediatric myocarditis.
• Suggests further research into the mechanisms and incidence of RSV-associated myocarditis in children.