[Controversial issues and working practice in myocarditis: from scientific data to clinical grounds]
Marco Anzini1, Michele Moretti, Marco Merlo
1Dipartimento Cardiovascolare, Azienda Ospedaliero-Universitaria Ospedali Riuniti, Trieste, Italy.
Summary
Myocarditis, often viral, can cause heart damage and arrhythmias. Early, multiparametric diagnosis and personalized treatment are crucial for managing this heart condition.
Area of Science:
- Cardiology
- Infectious Diseases
- Immunology
Context:
- Myocarditis, inflammation of the heart muscle, has diverse causes including infections, systemic diseases, drugs, and toxins.
- Cardiotropic viruses are common triggers, often leading to silent progression, but can cause persistent myocyte damage, dilated cardiomyopathy, or arrhythmias.
- While 40-50% of patients experience spontaneous improvement in left ventricular function, others face progressive dysfunction.
Purpose:
- To review the multiparametric diagnostic work-up and prognostic assessment of myocarditis.
- To analyze controversial aspects of myocarditis diagnosis and therapy, including the roles of cardiac magnetic resonance imaging and endomyocardial biopsy.
- To provide evidence-based instructions for personalized myocarditis management, potentially including specific immunoactive treatments.
Summary:
- A comprehensive diagnostic approach for myocarditis involves biomarkers (troponin I, brain natriuretic peptide), advanced echocardiography, cardiac magnetic resonance, and endomyocardial biopsy with histopathologic, immunohistochemical, and virological analyses.
- Personalized management strategies are essential, considering the potential need for specific immunoactive treatments.
- Unresolved issues in myocarditis diagnosis and therapy necessitate further investigation and clinical consensus.
Impact:
- Facilitates evidence-based, personalized management of myocarditis.
- Aims to resolve diagnostic and therapeutic controversies in myocarditis.
- Improves clinical practice by providing clear instructions for myocarditis assessment and treatment.
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