Sudden cardiac death and obesity

Area of Science:

• Cardiology
• Public Health
• Obesity Medicine

Background:

• Rising global obesity rates present a significant public health challenge.
• Obesity frequently coexists with traditional cardiovascular disease risk factors like hypertension, diabetes, and metabolic syndrome.
• These comorbidities exacerbate the risk of adverse cardiovascular events, including sudden cardiac death.

Purpose of the Study:

• To review the association between obesity and out-of-hospital sudden cardiac death.
• To explore the potential mechanisms linking obesity to increased risk of sudden cardiac death.
• To highlight structural, functional, and metabolic factors contributing to this risk.

Main Methods:

• Literature review focusing on studies examining obesity and sudden cardiac death.
• Analysis of shared traditional cardiovascular risk factors in obese populations.
• Examination of specific cardiac alterations associated with obesity and sudden cardiac death.

Main Results:

• Obesity shares common cardiovascular risk factors with sudden cardiac death.
• Structural changes (e.g., left ventricular hypertrophy) are observed in obese individuals at risk.
• Functional and metabolic alterations, including arrhythmias and reduced heart rate variability, are prevalent.

Conclusions:

• Obesity is a critical factor contributing to sudden cardiac death risk.
• Multiple pathways, including structural, functional, and metabolic changes, mediate this risk.
• Further research into obesity-specific interventions is crucial for preventing sudden cardiac death.