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Familial late onset heart block: a clinico-pathological study
1St George's Hospital, London.
Age and Ageing
|November 1, 1975
Summary
This study reports a rare case of inherited complete heart block, appearing late in life as an autosomal dominant trait. Affected family members showed varying degrees of conduction abnormalities, suggesting a genetic predisposition.
Area of Science:
- Cardiology
- Genetics
- Clinical Medicine
Background:
- Inherited cardiac conditions can manifest with conduction abnormalities.
- Autosomal dominant inheritance patterns are observed in some genetic heart diseases.
- Late-onset diseases present unique diagnostic and management challenges.
Observation:
- A family presented with complete heart block developing late in life.
- Two elderly brothers exhibited symptomatic complete heart block.
- Younger relatives displayed asymptomatic cardiac conduction abnormalities.
Findings:
- The condition appeared to be inherited as an autosomal dominant trait.
- Neurological disease in one patient was deemed a coincidental finding.
- Genetic analysis suggested a familial link to conduction system disease.
Implications:
- Understanding the genetic basis of late-onset heart block is crucial for early diagnosis and intervention.
- This case highlights the importance of family history in identifying individuals at risk for inherited cardiac conditions.
- Further research into the specific genetic mutations responsible could lead to targeted therapies.