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Idiopathic dilated cardiomyopathy: possible triggers and treatment strategies
M Hazebroek1, R Dennert, S Heymans
1Department of Cardiology, CARIM, University Hospital Maastricht, Maastricht, the Netherlands.
Insights
Idiopathic dilated cardiomyopathy (DCM) diagnosis is improving with new molecular and genetic techniques. These advancements offer novel, cause-specific treatments and better outcomes for heart failure patients.
Area of Science:
- Cardiology and cardiovascular diseases.
- Molecular pathology and diagnostics.
Background:
- High morbidity and mortality persist in heart failure patients despite treatment advances.
- Idiopathic dilated cardiomyopathy (DCM) accounts for up to 50% of heart failure cases with unknown etiology.
- Traditional causes include ischemic heart disease, hypertension, and valvular disease.
Purpose of the Study:
- To discuss the causes of dilated cardiomyopathy (DCM).
- To highlight advancements in diagnosing idiopathic DCM.
- To focus on inflammatory and virus-mediated DCM.
Main Methods:
- Review of current diagnostic advancements in DCM.
- Focus on molecular and immunohistological biopsy techniques.
- Emphasis on genetic research in idiopathic DCM.
Main Results:
- Improved diagnostic accuracy for idiopathic DCM.
- Emergence of novel, etiology-based treatment strategies.
- Potential for improved patient outcomes through targeted therapies.
Conclusions:
- Advancements in molecular and genetic diagnostics are revolutionizing idiopathic DCM classification.
- Etiology-based treatments are emerging as a key strategy for improving outcomes.
- Inflammatory and viral causes are significant contributors to DCM and warrant focused investigation.
Abstract:
Despite recent advances in the management of patients with heart failure, morbidity and mortality rates remain high. Common causes of heart failure are ischaemic heart disease, uncontrolled hypertension and valvular disease. However, in up to 50 % of the cases its exact cause remains initially unknown; this condition is called idiopathic dilated cardiomyopathy (DCM). Improved diagnostic methods, most notably the advancements in molecular and immunohistological biopsy techniques and genetic research, have endorsed a new era in the diagnosis and classification of patients with idiopathic DCM. These insights have led to novel aetiology-based treatment strategies and improved outcome. The present article will briefly discuss all causes of DCM with a special focus on inflammatory- and virus-mediated forms of DCM.
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