JOURNAL ARTICLE

Usefulness of preoperative C-reactive protein and soluble intercellular adhesion molecule-1 level for predicting future cardiovascular events after coronary artery bypass grafting

Pim van der Harst, Adriaan A Voors, Meint Volbeda, Hendrik Buikema, Dirk J van Veldhuisen, Wiek H van Gilst
American Journal of Cardiology 2006 June 15, 97 (12): 1697-701
16765116
High levels of C-reactive protein and soluble intercellular adhesion molecule-1 are associated with increased risk for cardiovascular events. No long-term data are available on predictive value of preoperative levels of C-reactive protein and soluble intercellular adhesion molecule-1 on outcome after coronary artery bypass grafting. We measured baseline levels of C-reactive protein and soluble intercellular adhesion molecule-1 in preoperative serum stored at -80 degrees C in 87 patients with coronary artery disease before undergoing isolated coronary artery bypass grafting. Follow-up was performed after a mean duration of 7.6+/-0.1 years, and all cardiovascular events were recorded. Data were analyzed by categorizing patients into 2 groups according to median value of C-reactive protein and soluble intercellular adhesion molecule-1. During follow-up, 16 patients developed a cardiovascular event. In patients with C-reactive protein above the median (1.9 mg/L), the cumulative cardiovascular event incidence was 29% compared with 9% in patients with levels below the median (p=0.048). In Cox regression analysis that was corrected for age, gender, and conventional risk factors, the adjusted relative risk of cardiovascular events of C-reactive protein above the median was 3.9 (95% confidence interval 1.1 to 13.9, p <0.05). Soluble intercellular adhesion molecule-1 level above the median (136 microg/L) was associated with a cumulative cardiovascular event incidence of 21% versus 16% below the median (p=0.48). In conclusion, in patients who undergo coronary artery bypass grafting, high preoperative levels of C-reactive protein levels, but not of soluble intercellular adhesion molecule-1, were associated with long-term risk of cardiovascular events, independent of other cardiac risk factors.

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