Diabesity in Elderly Cardiovascular Disease Patients: Mechanisms and Regulators

David García-Vega1,2, José Ramón González-Juanatey1,2,3, Sonia Eiras3,4

  • 1Cardiology and Intensive Cardiac Care Department, University Hospital, 15706 Santiago de Compostela, Spain.

Insights

Diabesity, combining diabetes and obesity, drives cardiovascular disease (CVD) by affecting heart function and promoting inflammation. Understanding these mechanisms is key for managing CVD risks and improving patient outcomes.

Area of Science:

  • Cardiology
  • Endocrinology
  • Metabolic Syndrome

Background:

  • Cardiovascular disease (CVD) is a leading global cause of mortality, with high fasting glucose and obesity as significant risk factors.
  • Diabesity, the co-occurrence of type 2 diabetes and obesity, exacerbates CVD risk through cardiac, metabolic, inflammatory, and neurohumoral alterations.
  • Epicardial adipose tissue (EAT) dysfunction in diabesity promotes myocardial inflammation and fibrosis, linked to heart failure, atrial fibrillation, and atherosclerosis.

Purpose of the Study:

  • To review the pathophysiological mechanisms linking diabesity to cardiovascular disease development and progression.
  • To explore the therapeutic implications of understanding these diabesity-associated CVD mechanisms.
  • To highlight the need for improved knowledge for comprehensive patient management.

Main Methods:

  • Literature review of studies on diabesity, cardiovascular disease, and epicardial adipose tissue.
  • Analysis of pathophysiological pathways connecting metabolic dysfunction to cardiac changes.
  • Synthesis of current therapeutic strategies and their impact on diabesity-related CVD.

Main Results:

  • Diabesity significantly contributes to cardiac dysfunction (diabesity-related cardiomyopathy) via inflammation and fibrosis.
  • Epicardial adipose tissue plays a crucial role in mediating diabesity's adverse cardiovascular effects.
  • Hypoglycemic drugs show potential in reducing EAT volume and improving its metabolic profile.

Conclusions:

  • A deeper understanding of diabesity's cardiovascular mechanisms is essential for effective patient management.
  • Targeting metabolic and inflammatory pathways in diabesity offers therapeutic opportunities for CVD prevention and treatment.
  • Optimizing glucometabolic control is critical in managing diabesity-related cardiovascular complications.

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