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Updated: Jun 16, 2026

Determining the Likelihood of Variant Pathogenicity Using Amino Acid-level Signal-to-Noise Analysis of Genetic Variation
Published on: January 16, 2019
Genetic testing in cardiovascular diseases
Nynke Hofman1, Irene van Langen, Arthur A M Wilde
1Department of Clinical Genetics, Academic Medical Center, Amsterdam, The Netherlands.
Genetic counseling and testing for inherited heart disease are expanding, with growing diagnostic yields from new genetic discoveries. Further research is needed to understand mutation relevance and optimize cascade screening for timely patient treatment.
Area of Science:
- Cardiovascular Genetics
- Medical Genetics
- Genomic Medicine
Background:
- Inherited heart diseases (IHDs) represent a significant clinical challenge.
- Genetic counseling and testing are crucial for diagnosing and managing IHDs.
- Advances in molecular diagnostics are rapidly evolving.
Purpose of the Study:
- To review the current landscape of genetic counseling and testing for IHDs.
- To assess the diagnostic yield and patient perspectives.
- To discuss future directions and optimization strategies.
Main Methods:
- Literature review of recent studies on genetic counseling and testing in IHDs.
- Analysis of gene-specific studies, such as for long QT syndrome.
- Examination of patient follow-up and perspective research.
Main Results:
- A rapid increase in the number of individuals undergoing genetic counseling globally.
- Emerging research on patient perspectives and long-term follow-up.
- Progress in gene-specific studies to evaluate the clinical significance of identified mutations.
Conclusions:
- The diagnostic yield of genetic testing for IHDs is rapidly increasing due to new gene discoveries and improved techniques.
- Ongoing research is essential to determine the clinical relevance of identified genetic variants.
- Optimizing genetic counseling through cascade screening can identify at-risk individuals for timely intervention.
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