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SARS-CoV-2 Related Myocarditis: What We Know So Far
Raffaella Mistrulli1, Armando Ferrera1, Melwyn Luis Muthukkattil1
1Clinical and Molecular Medicine Department, Sapienza University of Rome, 00185 Roma, Italy.
Insights
Severe acute respiratory syndrome coronavirus 2 (COVID-19) can cause myocarditis, a heart inflammation. This review covers COVID-19 myocarditis, its management, and vaccine-associated myocarditis.
Area of Science:
- Cardiology
- Infectious Diseases
- Immunology
Background:
- Severe acute respiratory syndrome coronavirus 2 (COVID-19) can lead to cardiovascular complications.
- Myocarditis, or heart inflammation, is a rare but serious complication of COVID-19.
Purpose of the Study:
- To review current data on COVID-19-related myocarditis.
- To discuss management strategies and therapies for COVID-19 myocarditis.
- To briefly describe COVID-19 vaccine-associated myocarditis.
Main Methods:
- Literature review of current data on COVID-19 myocarditis.
- Analysis of management strategies and therapeutic approaches.
- Inclusion of information on vaccine-associated myocarditis.
Main Results:
- COVID-19 myocarditis affects a minority of patients, with a prevalence of 10-105 cases per 100,000 infected individuals.
- Fulminant myocarditis (FM) presents with cardiogenic shock and ventricular arrhythmias, leading to high mortality.
- Standard medical therapy may be insufficient, requiring inotropic and immunosuppressive drugs like corticosteroids.
Conclusions:
- COVID-19 myocarditis requires specific clinical attention due to its potential severity.
- Management may necessitate advanced therapies beyond standard ACE inhibitors and beta-blockers.
- Understanding vaccine-associated myocarditis is crucial for clinicians.
Abstract:
A minority of patients with severe acute respiratory syndrome coronavirus 2 (COVID-19) develop cardiovascular complications, such as acute cardiac lesions with elevated troponins, de novo systolic heart failure, pericardial effusion and, rarely, acute myocarditis. The prevalence of COVID-19-related myocarditis ranges from 10 to 105 cases per 100,000 COVID-19-infected individuals, with a male predominance (58%) and a median age of 50 years. The etiopathogenetic mechanism is currently unclear, but may involve direct virus-mediated damage or an exaggerated immune response to the virus. Mortality is high, as fulminant myocarditis (FM) develops very often in the form of cardiogenic shock and ventricular arrhythmias. Hence, medical therapy with ACE inhibitors and beta-blockers may not always be sufficient, in which case inotropic and immunosuppressive drugs, most commonly corticosteroids, may be necessary. In this review we analyze the current data on COVID-19 myocarditis, management strategies and therapy, with a brief description of COVID-19 vaccine-associated myocarditis to help clinicians dealing with this peculiar form of myocarditis.
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