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Noninvasive Assessment of Cardiac Abnormalities in Experimental Autoimmune Myocarditis by Magnetic Resonance Microscopy Imaging in the Mouse
Published on: June 20, 2014
Diagnosis and management of viral myocarditis
William H Frishman1, Joshua Zeidner, Nauman Naseer
1Department of Medicine, New York Medical College, Munger 263, Valhalla, New York 10595, USA. William_Frishman@nymc.edu
Insights
Myocarditis is a common cause of heart failure, often difficult to detect early. Current treatments focus on heart failure symptoms, with ongoing research for specific myocarditis therapies and better diagnostic methods.
Area of Science:
- Cardiology
- Immunology
Background:
- Myocarditis is a significant cause of cardiomyopathy, contributing to 25% of human heart failure cases.
- Clinical detection of myocarditis before significant myopathic changes is challenging.
- Standard heart failure management is applied, but specific myocarditis treatments are limited.
Purpose of the Study:
- To review the current understanding of myocarditis, its impact on heart failure, and treatment strategies.
- To highlight the need for improved early detection methods for myocarditis.
- To emphasize the importance of differentiating between viral and autoimmune myocarditis for targeted therapy.
Main Methods:
- Literature review of myocarditis, cardiomyopathy, and heart failure.
- Analysis of current treatment regimens for myocarditis-induced heart failure.
- Discussion of investigational therapies for viral and autoimmune myocarditis.
Main Results:
- Myocarditis is a prevalent cause of heart failure, yet early clinical diagnosis remains difficult.
- Standard heart failure treatments are used, but specific therapies for myocarditis show limited advantages.
- Investigational treatments for viral and autoimmune myocarditis are under evaluation.
Conclusions:
- Early detection of myocarditis requires further research and development.
- Distinguishing between infectious and autoimmune myocarditis is crucial for effective treatment.
- Advancements in myocarditis diagnosis and etiology-specific therapies are needed to improve patient outcomes.
Abstract:
Myocarditis has been shown to be a common cause of cardiomyopathy; it is believed to account for 25% of all cases of heart failure in humans. Unfortunately, the disease is difficult to detect clinically before a myopathic process ensues. Treatment of myocarditis-induced heart failure includes the standard regimen of diuretics, digoxin, angiotensin-converting enzyme inhibitors, angiotensin II receptor blockers, and beta-adrenergic blockers. Treatment of myocarditis itself is dependent on the etiology of the illness. Additional treatments under investigation for viral and autoimmune myocarditis include immunosuppressants, nonsteroidal anti-inflammatory agents, immunoglobulins, immunomodulators, and antivirals, with no specific therapy having a real advantage over standard treatment for heart failure. Despite advances in treatment, more work needs to be done in the early detection of myocarditis. In addition, better means need to be established for distinguishing between viral and noninfectious autoimmune forms of the disease so that appropriate treatment can be instituted.
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