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Signal Acquisition, Score Interpretation, and Economics of a Non-Invasive Point-of-Care Test for Coronary Artery Disease
Published on: August 9, 2024
Genetics in the prevention and management of coronary artery disease
1Department of Medicine for University of Arizona College of Medicine-Phoenix.
Insights
Over 90 genetic risk variants for coronary artery disease (CAD) have been identified. A genetic risk score (GRS) effectively stratifies CAD risk, offering a lifetime perspective for primary prevention.
Area of Science:
- Cardiovascular Genetics
- Genomic Medicine
- Preventive Cardiology
Background:
- Coronary artery disease (CAD) remains a leading cause of mortality worldwide.
- Conventional risk factors do not fully capture individual susceptibility to CAD.
- Genetic predisposition plays a significant role in CAD development.
Purpose of the Study:
- To review identified genetic risk variants for coronary artery disease (CAD).
- To describe the application of genetic risk scores (GRS) in CAD risk stratification.
- To highlight the potential of GRS in the primary prevention of CAD.
Main Methods:
- Systematic review of genetic association studies identifying CAD risk variants.
- Analysis of studies utilizing genetic risk scores (GRS) for risk stratification.
- Evaluation of GRS performance against traditional risk factors.
Main Results:
- Over 90 distinct genetic risk variants predisposing to CAD have been discovered.
- The genetic risk burden for CAD is quantifiable through a genetic risk score (GRS).
- GRS demonstrates superior efficacy in CAD risk stratification compared to conventional risk factors.
Conclusions:
- Genetic risk variants provide valuable insights into CAD susceptibility.
- The genetic risk score (GRS) offers a powerful tool for personalized CAD risk assessment.
- GRS enables early and lifelong risk stratification, paving the way for a paradigm shift in CAD primary prevention.
Purpose Of Review:
The current review is to describe the genetic risk variants that have been discovered predisposing to coronary artery disease (CAD) and how they are utilized to stratify for risk of CAD.
Recent Findings:
Over 90 genetic risk variants have been discovered that predispose to risk for CAD.
Summary:
The total genetic risk burden for CAD is proportional to the number of risk variants inherited and can be combined into a single number referred to as the genetic risk score (GRS). GRS has been utilized in multiple studies and shown to be more effective in risk stratification for CAD than conventional risk factors. There is a major advantage to risk stratification based on the GRS since the risk can be determined at birth or anytime throughout one's lifetime since the individual's DNA does not change. Widespread application of the GRS is likely to enable a paradigm shift in the primary prevention of CAD.
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