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Risk Stratification in Patients With Nonisquemic Dilated Cardiomyopathy. The Role of Genetic Testing

Maria Luisa Peña-Peña1, Lorenzo Monserrat2

  • 1Unidad de Cardiopatías Familiares, Departamento de Cardiología, Hospital Universitario Virgen del Rocío, Seville, Spain; Departamento de Cardiología, Health in Code, A Coruña, Spain.

Revista Espanola De Cardiologia (English Ed.)
|February 23, 2019
PubMed

Insights

Dilated cardiomyopathy is often inherited, with over 90 genes linked to this condition. Genetic studies are crucial for identifying causes, predicting outcomes, and guiding treatment for this heart disease.

Area of Science:

  • Cardiology
  • Genetics
  • Molecular Biology

Background:

  • Dilated cardiomyopathy (DCM) is a significant cause of heart failure and heart transplantation.
  • Inherited forms account for nearly 50% of DCM cases, highlighting a strong genetic component.
  • Over 90 genes are currently associated with DCM, underscoring its genetic heterogeneity.

Purpose of the Study:

  • To emphasize the importance of genetic studies in understanding dilated cardiomyopathy.
  • To highlight the role of genetic etiology in risk stratification and therapeutic decisions.
  • To underscore the utility of genetic analysis for early detection of mutation carriers.

Main Methods:

  • Review of genetic associations with dilated cardiomyopathy.
  • Analysis of the impact of genetic factors on disease phenotype and prognosis.
  • Discussion of the role of genetic testing in clinical management.

Main Results:

  • Genetic factors are implicated in nearly half of all dilated cardiomyopathy cases.
  • Identification of specific causative genes aids in early detection of at-risk individuals.
  • Phenotypic variability in DCM is influenced by specific gene mutations and environmental factors.

Conclusions:

  • Genetic investigation is essential for diagnosing and managing dilated cardiomyopathy.
  • Understanding the genetic basis of DCM improves prognostic accuracy and treatment strategies.
  • Genetic studies facilitate personalized medicine approaches for patients with inherited heart conditions.

Keywords:
Dilated cardiomyopathyEstudio genéticoGenetic testingMiocardiopatía dilatadaMutaciónMutation

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