Epicardial adipose tissue: Anatomic, biomolecular and clinical relationships with the heart

Gianluca Iacobellis, Domenico Corradi, Arya M. Sharma

Research output: Contribution to journalReview article

611 Scopus citations

Abstract

A growing amount of evidence suggests that regional fat distribution plays an important part in the development of an unfavorable metabolic and cardiovascular risk profile. Epicardial fat is a metabolically active organ that generates various bioactive molecules, which might significantly affect cardiac function. This small, visceral fat depot is now recognized as a rich source of free fatty acids and a number of bioactive molecules, such as adiponectin, resistin and inflammatory cytokines, which could affect the coronary artery response. The observed increases in concentrations of inflammatory factors in patients who have undergone coronary artery bypass grafting remain to be confirmed in healthy individuals. Furthermore, epicardial adipose mass might reflect intra-abdominal visceral fat. Therefore, we propose that echocardiographic assessment of this tissue could serve as a reliable marker of visceral adiposity. Epicardial adipose tissue is also clinically related to left ventricular mass and other features of the metabolic syndrome, such as concentrations of LDL cholesterol, fasting insulin and adiponectin, and arterial blood pressure. Echocardiographic assessment of epicardial fat could be a simple and practical tool for cardiovascular risk stratification in clinical practice and research. In this paper, we briefly review the rapidly emerging evidence pointing to a specific role of epicardial adipose tissue both as a cardiac risk marker and as a potentially active player in the development of cardiac pathology.

Original languageEnglish (US)
Pages (from-to)536-543
Number of pages8
JournalNature Clinical Practice Cardiovascular Medicine
Volume2
Issue number10
DOIs
StatePublished - Oct 1 2005
Externally publishedYes

Keywords

  • Echocardiography
  • Epicardial adipose tissue
  • Visceral fat

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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