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Dilated Cardiomyopathy: Genetic Determinants and Mechanisms
Elizabeth M McNally1, Luisa Mestroni1
1From the Center for Genetic Medicine, Northwestern University Feinberg School of Medicine, Chicago IL (E.M.M.); and Cardiovascular Institute, University of Colorado Anschutz Medical Campus, Aurora (L.M.). elizabeth.mcnally@northwestern.edu Luisa.Mestroni@ucdenver.edu.
Circulation Research
|September 16, 2017
Summary
Genetic testing for nonischemic dilated cardiomyopathy (DCM) aids prognosis and early intervention. Comprehensive genetic evaluation helps refine DCM subtypes and manage arrhythmia risk, improving patient outcomes.
Area of Science:
- Cardiology
- Genetics
- Molecular Biology
Background:
- Nonischemic dilated cardiomyopathy (DCM) frequently has a genetic basis.
- The large number of genes involved necessitates comprehensive genetic testing panels.
- Genetic diagnosis offers prognostic information, particularly regarding arrhythmia risk in specific DCM subtypes.
Purpose of the Study:
- To review the diagnosis and management of DCM.
- To highlight the role of genetic evaluation in DCM.
- To overview genetic pathways and pathogenetic mechanisms in DCM.
Main Methods:
- Review of current literature on DCM diagnosis, management, and genetics.
- Analysis of genetic testing strategies and their clinical utility.
- Discussion of genetic pathways and their role in DCM pathogenesis.
Main Results:
- Genetic diagnosis can predict prognosis and identify arrhythmia risk.
- Cascade genetic testing facilitates early detection and intervention in at-risk families.
- Genetic variants are emerging as a tool to refine DCM subtypes, especially those with increased arrhythmia risk.
Conclusions:
- Genetic evaluation is crucial for DCM diagnosis and management.
- Identifying genetic variants aids in classifying DCM subtypes and assessing prognosis.
- Genetic insights enable personalized medicine approaches for DCM patients and their families.
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