Inflammation and future risk of symptomatic heart failure in patients with stable coronary artery disease

Alon Eisen, Michal Benderly, Solomon Behar, Uri Goldbourt, Moti Haim

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

Background Heart failure (HF) carries poor prognosis in coronary artery disease (CAD) patients despite advances in therapy. Inflammation predicts recurrent cardiovascular events in CAD patients. It is unknown whether increased levels of inflammatory markers are associated with incident HF in these patients. Aim The aims of this study were to evaluate the association between inflammatory markers and future HF risk in patients with stable CAD and to explore possible mediation by myocardial infarction (MI). Methods The study comprised 2,945 patients with stable CAD without HF at baseline during a median follow-up of 7.9 years. Inflammatory baseline markers were the basis of this study. Results Heart failure was diagnosed in 508 patients (17.2%). Patients who developed HF were older and had more often previous MI, diabetes, hypertension, and peripheral vascular disease. Baseline levels of C-reactive protein (CRP), fibrinogen, and white blood cells (WBCs) were significantly higher in patients who developed HF compared with those who did not. Age-adjusted incident HF rates were related to elevated baseline inflammatory markers in a dose-response manner. Adjusting for multiple confounders, the HF hazard ratios were 1.38 (95% CI 1.11-1.72), 1.33 (95% CI 1.07-1.66), and 1.36 (95% CI 1.10-1.68) for the third tertiles of CRP, fibrinogen, and WBC levels, respectively. Hazard ratio for the fifth quintile of a combined "inflammation score" was 1.83 (95% CI 1.40-2.39). Mediation by MI preceding the HF onset during follow-up accounted for 10.4%, 10.8%, and 8.6% of the association of subsequent HF with CRP, fibrinogen, and WBC, respectively. Conclusions Increased levels of CRP, fibrinogen, and WBC are independently related to the incidence of HF in patients with stable CAD.

Original languageEnglish
Pages (from-to)707-714
Number of pages8
JournalAmerican Heart Journal
Volume167
Issue number5
DOIs
StatePublished - 1 Jan 2014
Externally publishedYes

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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