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Familial dilated cardiomyopathy--a case report from western Nepal
1Department of Medicine, Manipal Teaching Hospital, Pokhara Nepal.
Insights
Familial dilated cardiomyopathy (FDC) affects four brothers in a family, while the sisters are unaffected. Early diagnosis and screening are crucial for managing this genetic heart condition.
Area of Science:
- Cardiology
- Genetics
- Internal Medicine
Background:
- Dilated cardiomyopathy (DCM) is a significant global cause of heart failure.
- While often idiopathic, 25-30% of DCM cases have a genetic origin.
- Familial DCM (FDC) presents with high mortality due to advanced disease, heart failure, arrhythmias, and sudden cardiac death.
Observation:
- A unique case of FDC is presented within a single family.
- All four male offspring were diagnosed with heart disease.
- All female offspring were unaffected, suggesting a potential sex-influenced genetic pattern.
Findings:
- The case highlights a distinct pattern of inheritance or manifestation in FDC.
- This observation underscores the importance of comprehensive family history and genetic screening in DCM cases.
- Early detection in relatives can prevent severe complications and improve patient outcomes.
Implications:
- Further research into sex-specific genetic factors in DCM is warranted.
- This case emphasizes the need for sex-stratified genetic counseling and screening protocols for FDC.
- Understanding such familial patterns can lead to targeted therapies and improved prognostic assessments.
Abstract:
Dilated cardiomyopathy (DCM) is a common cause of congestive cardiac failure all over the world. Most cases are idiopathic and sporadic. However, an increasing number are found to have a genetic basis which accounts for about 25.0-30.0% of cases all over the world. Different modes of inheritance and mutations have been implicated in these familial cases. Regardless of the type, they usually present in an advanced state with features of congestive cardiac failure or with complications like arrhythmia and sudden cardiac death and have a high mortality rate of 15.0-50.0% at 5 years. Hence in all DCM cases, detailed family history and if possible screening examination of the relatives is to be done so as to diagnose the familial cases in an early stage and prevent the likely complications. Here we present an interesting case of familial dilated cardiomyopathy (FDC) in which all four sons of the family are suffering from a heart disease while all the daughters are spared.
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