C-reactive protein as a predictor of incident ischemic stroke among patients with preexisting cardiovascular disease

David Tanne, Michal Benderly, Uri Goldbourt, Moti Haim, Alexander Tenenbaum, Enrique Z. Fisman, Zipora Matas, Yehuda Adler, Reuven Zimmlichman, Solomon Behar

Research output: Contribution to journalArticlepeer-review

48 Scopus citations

Abstract

BACKGROUND AND PURPOSE - C-reactive protein (CRP) has emerged as an important predictor of cardiovascular disease, but there are few prospective data on its association with risk of ischemic stroke in patients at high risk. METHODS - We examined the association between CRP levels and subsequent risk of incident ischemic stroke among 2979 patients with stable coronary heart disease included in a controlled clinical trial (Bezafibrate Infarction Prevention) that assessed the efficacy of bezafibrate, a fibric acid derivative, versus placebo for secondary prevention. CRP was measured by a high-sensitivity assay in plasma samples collected before randomization and again at the second follow-up year of an overall mean follow-up of 6.2 years. RESULTS - Risk of ischemic stroke per 1000 person-years increased from 4.1% for baseline CRP in the lowest tertile (<2.3 mg/L; n=982) to 5.9% for levels at the middle tertile (2.3 to 5.4 mg/L; n=1013) and 10.5% for CRP levels at the upper tertile (>5.4 mg/L; n=984; P<0.001). With adjustment for potential confounders, baseline CRP levels in the top versus bottom tertile were associated with a 2.16-fold increased hazard (95% CI, 1.32 to 3.53) for ischemic stroke, and CRP levels measured after 2 years were associated with a hazard ratio of 2.43 (95% CI, 1.30 to 4.57). The risk of an incident ischemic stroke did not differ between the bezafibrate group compared with the placebo group regardless of baseline CRP levels. CONCLUSIONS - These findings, based on a large prospective study, demonstrate the risk prediction for incident ischemic stroke conferred by CRP levels in patients at high risk.

Original languageEnglish
Pages (from-to)1720-1724
Number of pages5
JournalStroke
Volume37
Issue number7
DOIs
StatePublished - 1 Jul 2006
Externally publishedYes

Keywords

  • Epidemiology
  • Inflammation
  • Risk factors
  • Stroke

ASJC Scopus subject areas

  • Clinical Neurology
  • Cardiology and Cardiovascular Medicine
  • Advanced and Specialized Nursing

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