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Sex differences in cardiomyopathies
Sven Meyer1, Peter van der Meer, J Peter van Tintelen
1Department of Cardiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
European Journal of Heart Failure
|January 28, 2014
Summary
Biological sex significantly influences cardiomyopathy presentation and inheritance patterns. Understanding these sex-specific aspects is crucial for accurate diagnosis of hypertrophic (HCM), dilated (DCM), and other cardiomyopathies.
Area of Science:
- Cardiology
- Genetics
- Internal Medicine
Background:
- Cardiomyopathies are diverse heart muscle diseases with distinct phenotypes.
- Current classification includes hypertrophic (HCM), dilated (DCM), arrhythmogenic right ventricular (ARVC), and restrictive (RCM) types.
- These are further categorized into inherited and non-inherited forms.
Purpose of the Study:
- To highlight the significant role of biological sex in modulating cardiomyopathy clinical manifestations.
- To emphasize the importance of recognizing sex-specific characteristics in all cardiomyopathy classes.
- To underscore the clinical utility of understanding sex-specific disease expression and inheritance for diagnosis.
Main Methods:
- Review of current European Society of Cardiology classification of cardiomyopathies.
- Analysis of evidence regarding biological sex as a modulator of disease phenotype.
- Examination of sex-specific inheritance patterns and hereditary influences.
Main Results:
- Biological sex is a strong determinant of how cardiomyopathies manifest clinically.
- Sex-specific characteristics are evident across all major cardiomyopathy classifications (HCM, DCM, ARVC, RCM).
- Inheritance patterns and hereditary factors also exhibit sex-specific influences.
Conclusions:
- Clinicians must consider biological sex when diagnosing cardiomyopathies.
- Awareness of sex-specific disease expression aids in differential diagnosis.
- Understanding sex-based hereditary influences improves diagnostic accuracy for familial cardiomyopathies.
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