Hypertrophic cardiomyopathy overview: Genetics, screening, and treatment

Area of Science:

• Cardiology
• Genetics
• Internal Medicine

Background:

• Hypertrophic cardiomyopathy (HCM) is a prevalent genetic cardiac disorder characterized by unexplained asymmetrical left ventricular wall thickening.
• Histopathological hallmarks include cardiomyocyte hypertrophy and fibrosis, leading to diastolic dysfunction and potential outflow tract obstruction.

Purpose of the Study:

• To outline the understanding, diagnosis, and management of hypertrophic cardiomyopathy.
• To emphasize the importance of genetic analysis and family screening in identifying at-risk individuals.

Main Methods:

• Review of current understanding of HCM pathophysiology and genetic basis.
• Discussion of diagnostic tools including electrocardiogram, echocardiography, and cardiac MRI.
• Overview of therapeutic strategies, encompassing medications and interventions.

Main Results:

• HCM arises from sarcomere protein mutations, presenting a risk for sudden cardiac death, particularly in younger individuals.
• Screening and monitoring protocols have advanced significantly with genetic identification.
• Early diagnosis and targeted interventions improve patient outcomes and longevity.

Conclusions:

• Timely diagnosis of HCM is critical due to its association with sudden cardiac death and the availability of effective treatments.
• Genetic analysis and family screening are essential for comprehensive management and identification of preclinical carriers.
• Advancements in understanding HCM have improved management, offering potential for a longer, healthier life for affected individuals.