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Priya Bhardwaj1,2, Bo Gregers Winkel1, Finn Lund Henriksen3
1Hjertemedicinsk Afdeling, Hjertecentret, Københavns Universitetshospital - Rigshospitalet.
Insights
Inherited cardiovascular diseases cause up to 70% of sudden cardiac deaths (SCD) in individuals under 50. Evaluating first-degree relatives of young SCD patients for these conditions is crucial for prevention.
Area of Science:
- Cardiology
- Genetics
- Preventive Medicine
Background:
- Sudden cardiac death (SCD) is a significant cause of mortality, particularly in younger individuals.
- Inherited cardiovascular diseases (ICVDs) account for a substantial proportion of SCD in those under 50 years old.
- Ischaemic heart disease (IHD) is the leading cause of SCD.
Purpose of the Study:
- To review the role of inherited cardiovascular diseases in sudden cardiac death.
- To advocate for the evaluation of first-degree relatives of young SCD patients.
- To highlight the importance of understanding SCD genetics for risk stratification and prevention.
Main Methods:
- Literature review on inherited cardiovascular diseases and sudden cardiac death.
- Analysis of current understanding of SCD subtypes and genetics.
- Discussion on preventive strategies for ischaemic heart disease.
Main Results:
- Inherited cardiovascular diseases are implicated in up to 70% of SCD in individuals under 50.
- First-degree relatives of young SCD victims are at increased risk.
- Improved genetic insights can enhance risk assessment for SCD.
Conclusions:
- Screening first-degree relatives of young SCD patients for ICVD is recommended.
- Enhanced understanding of SCD genetics is vital for effective prevention strategies.
- Preventing ischaemic heart disease remains a critical component in reducing SCD.
Abstract:
Up to 70% of all sudden cardiac deaths (SCD) in persons under 50 years are due to inherited cardiovascular diseases. First-degree relatives to younger SCD patients should be evaluated for inherited cardiovascular disease, as argued in this review. An improved understanding of SCD subtypes and genetics is expected to improve risk stratification and SCD prevention. Preventing ischaemic heart disease (IHD) is a cornerstone as IHD is the most common cause of SCD.