Diabetes, Glycemic Control, and New-Onset Heart Failure in Patients With Stable Coronary Artery Disease Data from the Heart and Soul Study

Joost P. van Melle*, Marisica Bot, Peter De Jonge, Rudolf A. De Boer, Dirk J. van Veldhuisen, Mary A. Whooley

*Corresponding author for this work

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Abstract

OBJECTIVE Diabetes is a predictor of both coronary artery disease (CAD) and heart failure. It is unknown to what extent the association between diabetes and heart failure is influenced by other risk factors for heart failure. RESEARCH DESIGN AND METHODS We evaluated the association of diabetes and A1C with incident heart failure in outpatients with stable CAD and no history of heart failure (average follow-up 4.1 years). RESULTS Of 839 participants, 200 had diabetes (23.8%). Compared with patients who did not have diabetes, those with diabetes had an increased risk of heart failure (hazard ratio [HR] 2.17 [95% CI 1.37-3.44]). Adjustment for risk factors for CAD (age, sex, race, smoking, physical inactivity, obesity, blood pressure, and LDL cholesterol), interim myocardial infarction, and myocardial ischemia did not alter the strength of the association between diabetes and heart failure. After inclusion also of other risk factors for heart failure (left ventricular ejection fraction, diastolic dysfunction, and C-reactive protein) and medication use, diabetes remained an independent predictor of heart failure (HR 3.34 [95% CI 1.65-6.76]; P = 0.001). Each 1% increase in A1C concentration was associated with a 36% increased HR of heart failure hospitalization (HR 1.36 [95% CI 1.17-1.58]). CONCLUSIONS In patients with stable CAD who are free from heart failure at baseline, diabetes and glycemic control are independent risk factors for new-onset heart failure. The mechanisms by which diabetes and hyperglycemia lead to heart failure deserve further study, as the association is independent of baseline functional assessment of ischemia, systolic and diastolic function, and interim myocardial infarction
Original languageEnglish
Pages (from-to)2084-2089
Number of pages6
JournalDiabetes Care
Volume33
Issue number9
DOIs
Publication statusPublished - Sep-2010

Keywords

  • GLUCOSE-LEVELS
  • NATRIURETIC PEPTIDE
  • EUROPEAN-SOCIETY
  • OF-CARDIOLOGY
  • RISK-FACTOR
  • TASK-FORCE
  • ASSOCIATION
  • GUIDELINES
  • DIAGNOSIS
  • ADULTS

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