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Influenza myocarditis in paediatric patients

Part of: Infectious

Published online by Cambridge University Press:  10 December 2021

Paola Dolader Open the ORCID record for Paola Dolader [Opens in a new window] ,
Joan Balcells  and
Ferran Gran
Paola Dolader*
Affiliation:
Department of Paediatric Cardiology, Hospital Universitari Vall d’Hebron, Universidad Autonoma de Barcelona, Barcelona. Spain
Joan Balcells
Affiliation:
Paediatric Critical Care Department, Hospital Universitari Vall d’Hebron, Universidad Autonoma de Barcelona, Barcelona. Spain
Ferran Gran
Affiliation:
Department of Paediatric Cardiology, Hospital Universitari Vall d’Hebron, Universidad Autonoma de Barcelona, Barcelona. Spain
*
Author for correspondence: P. Dolader, MD, Department of Paediatric Cardiology, Hospital Universitari Vall d’Hebron, Passeig de la Vall d’Hebron 119, 08035, Barcelona, Spain. Tel: +34 934893365. E-mail: pdolader@vhebron.net
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Abstract

Acute myocarditis is a rare but potentially fatal disease. Endomyocardial biopsy and histologic examination are key to an accurate diagnosis. Despite being an uncommon cause, Influenza A and B viruses are a well-documented aetiology. Myocarditis may complicate about 0 to 10% of influenza virus infections (0.4 to 5% in paediatric cases). The clinical presentation varies widely, from ischemic-like chest pain to fulminant myocarditis with acute hemodynamic compromise, requiring mechanical circulatory support, with high mortality in the acute phase. We report a series of paediatric patients with myocarditis due to Influenza virus, to emphasize the importance of considering this uncommon aetiology.

Keywords

Myocarditisinfluenzaendomyocardial biopsyextracorporeal membrane oxygenation
Type
Brief Report
Information
Cardiology in the Young , Volume 32 , Issue 7 , July 2022 , pp. 1188 - 1190
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Copyright
© The Author(s), 2021. Published by Cambridge University Press

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