The association of fasting glucose levels with congestive heart failure in diabetic adults ≥65 years: The Cardiovascular Health Study

Joshua I. Barzilay, Richard A. Kronmal, John S. Gottdiener, Nicholas L. Smith, Gregory L. Burke, Russell Tracy, Peter J. Savage, Michelle Carlson

Research output: Contribution to journalArticlepeer-review

Abstract

Objectives The purpose of this study was to determine if fasting glucose levels are an independent risk factor for congestive heart failure (CHF) in elderly individuals with diabetes mellitus (DM) with or without coronary heart disease (CHD). Background Diabetes mellitus and CHF frequently coexist in the elderly. It is not clear whether fasting glucose levels in the setting of DM are a risk factor for incident CHF in the elderly. Methods A cohort of 829 diabetic participants, age ≥65 years, without prevalent CHF, was followed for five to eight years. The Cox proportional hazards modeling was used to determine the risk of CHF by fasting glucose levels. The cohort was categorized by the presence or absence of prevalent CHD. Results For a 1 standard deviation (60.6 mg/dl) increase in fasting glucose, the adjusted hazard ratios for incident CHF among participants without CHD at baseline, with or without an incident myocardial infarction (MI) or CHD event on follow-up, was 1.41 (95% confidence interval 1.24 to 1.61; p < 0.0001). Among those with prevalent CHD at baseline, with or without another incident MI or CHD event on follow-up, the corresponding adjusted hazard ratio was 1.27 (95% confidence interval 1.02 to 1.58; p < 0.05). Conclusions Among older adults with DM, elevated fasting glucose levels are a risk factor for incident CHF. The relationship of fasting glucose to CHF differs somewhat by the presence or absence of prevalent CHD.

Original languageEnglish (US)
Pages (from-to)2236-2241
Number of pages6
JournalJournal of the American College of Cardiology
Volume43
Issue number12
DOIs
StatePublished - Jun 16 2004

Keywords

  • CHD
  • CHF
  • CHS
  • Cardiovascular Health Study
  • DM
  • LV
  • MI
  • congestive heart failure
  • coronary heart disease
  • diabetes mellitus
  • left ventricle/ventricular
  • myocardial infarction

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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