Myocarditis in COVID-19: a focus on the pediatric population
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Published on: August 17, 2022
Bshara Sleem1, Rana Zareef1,2, Fadi Bitar1,2,3
1Faculty of Medicine, American University of Beirut Medical Center P.O. Box 11-0236, Beirut, Lebanon.
Insights
The novel coronavirus (COVID-19) can cause myocarditis, inflammation of the heart muscle. This review details COVID-19 myocarditis in children, its causes, diagnosis, and treatment, highlighting the need for more research.
Area of Science:
- Cardiology
- Infectious Diseases
- Pediatrics
Background:
- The COVID-19 pandemic, caused by SARS-CoV-2, presents diverse clinical manifestations.
- Myocarditis is a recognized complication of COVID-19, affecting the heart muscle.
- Pediatric cases of COVID-19 myocarditis require specific attention due to data scarcity.
Purpose of the Study:
- To review the clinical features of COVID-19-related myocarditis.
- To explore the molecular mechanisms underlying this condition.
- To summarize diagnostic and therapeutic strategies, with a focus on pediatric patients.
Main Methods:
- Comprehensive literature review of COVID-19 and myocarditis.
- Analysis of clinical manifestations, molecular basis, and diagnostic modalities.
- Focus on pediatric population data and treatment outcomes.
Main Results:
- A confirmed link exists between COVID-19 and myocarditis, with variable presentations.
- Both viral and immunological factors contribute to myocarditis development at the molecular level.
- Diagnosis, treatment, and outcomes show common trends but require further investigation, especially in children.
Conclusions:
- COVID-19 can lead to myocarditis with diverse clinical impacts.
- Prompt diagnosis and management of COVID-19 myocarditis are essential.
- Further large-scale studies, particularly in pediatric populations, are crucial for establishing definitive guidelines.
Abstract:
The emergence of the novel SARS-CoV-2 virus in late 2019 introduced new, unpreceded global challenges. Complications arising from COVID-19 widely range from mild to severe and, in some cases, lead to death. The myocardium has proven to be a potential target site for this virus, and has been affected at various levels, resulting in numerous complications, including myocarditis. This article represents a thorough and updated literature review on the clinical manifestations of COVID-19 that pertain to myocarditis, its molecular basis, diagnostic modalities, and treatment approaches, with a special focus on the pediatric population. There definitely is a link between COVID-19 and myocarditis, but the manifestations of this relationship vary from one case to another. At the molecular level, various viral and immunologic factors contribute to the development of myocarditis. Diagnosis, treatment, and outcomes vary as well, but some common trends can be noted. Proper and prompt diagnosis and treatment of SARS-CoV-2-induced myocarditis are crucial. Unfortunately, data in the literature suffers from conspicuous scarcity, especially for the pediatric population; thus, further large-scale clinical studies are required to attain clear and effective guidelines.
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