The Role of Genetics in Risk Stratification Strategy of Dilated Cardiomyopathy

Area of Science:

• Cardiology
• Genetics
• Molecular Biology

Background:

• Dilated cardiomyopathy (DCM) affects millions globally, with high mortality and sudden cardiac death (SCD) risk.
• Current assessment methods, like ejection fraction, are insufficient for predicting arrhythmic events.
• Improved SCD risk stratification is crucial for effective patient management.

Purpose of the Study:

• To review current data on the genetic basis of DCM.
• To evaluate the role of genetic testing in DCM patient assessment.
• To explore genetic testing's value in predicting arrhythmic risk.

Main Methods:

• Literature review focusing on genetic substrates of DCM.
• Analysis of studies on genetic testing in DCM diagnosis and risk stratification.
• Synthesis of data on gene mutations and disease prognosis.

Main Results:

• Pathogenic variants are frequently found in DCM patients, irrespective of family history.
• Specific gene mutations correlate with DCM prognosis.
• Genetic testing aids in identifying patients for preventive SCD treatment.

Conclusions:

• Genetic testing is vital for DCM diagnosis and management.
• Understanding the genetic landscape of DCM improves risk stratification.
• Genetic insights facilitate personalized treatment strategies, including defibrillator implantation for SCD prevention.