Central obesity and insulin resistance in the cardiometabolic syndrome: Pathways to preclinical cardiovascular structure and function

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16 Scopus citations

Abstract

The cardiometabolic syndrome (CMS) has been an organizing conceptual framework for subclinical cardiovascular pathophysiology. Using cross-sectional data from 338 healthy men and women aged 18 to 55 years, the study examined the role of central adiposity and insulin sensitivity and assessed potential relationships with other metabolic indices (insulin sensitivity, glucose tolerance, fibrinolysis, lipidemia, endothelial function, and inflammation) and measures of cardiac structure and function (cardiac mass, compliance and contractility, myocardial oxygen demand, and blood pressure). Structural equation modeling analyses, which controlled for sex, age, and race, demonstrated good fit to the data. The derived relationships provided a physiologically consistent model of CMS, with an initiating role for central adiposity and insulin resistance. The model accounted for 30% and 82% of the variance in diastolic blood pressure and myocardial oxygen demand, respectively. The findings suggest predominant pathways through which subclinical metabolic processes may exert pathogenic impact on the heart and vasculature.

Original languageEnglish (US)
Pages (from-to)63-71
Number of pages9
JournalJournal of the cardiometabolic syndrome
Volume4
Issue number2
DOIs
StatePublished - 2009

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Cardiology and Cardiovascular Medicine

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