European heart journal · 2005
Increased circulating C-reactive protein and macrophage-colony stimulating factor are complementary predictors of long-term outcome in patients with chronic coronary artery disease.
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Ikonomidis Ignatios, Lekakis John, Revela Ioanna, Andreotti Felicita, Nihoyannopoulos Petros
Аннотация
AIMS: We investigated, in a 6 year follow-up study, whether circulating levels of C-reactive protein (CRP) and macrophage colony stimulating factor (MCSF) have an independent or complementary prognostic value in patients with chronic coronary artery disease (CAD).
METHODS AND RESULTS: MCSF and CRP were measured in 100 patients with chronic CAD. Of 95 (33%) patients, 31 who completed the 6 year follow-up presented adverse events (death, myocardial infarction, and unstable angina). In multivariable analysis (including traditional risk factors and medications), the upper tertiles of MCSF (> or =814 pg/mL) and CRP (> or =2.5 mg/L) levels were independently associated with a 13- and 6-fold increase in risk of events, respectively (P<0.01). Patients with combined high CRP and MCSF had a higher absolute risk of events than patients with elevated MCSF or CRP alone (75 vs. 59 vs. 32%, respectively, P<0.01). The mean event-free time was 39, 64, and 52 months in patients with elevated MCSF, elevated CRP, and their combination, respectively.
CONCLUSION: In patients with chronic CAD, the prognostic value of MCSF is independent and complementary to that of CRP. MCSF is a particularly useful prognostic marker when CRP levels are low, but also provides additional information concerning risk and time-course of events in patients with elevated CRP.
METHODS AND RESULTS: MCSF and CRP were measured in 100 patients with chronic CAD. Of 95 (33%) patients, 31 who completed the 6 year follow-up presented adverse events (death, myocardial infarction, and unstable angina). In multivariable analysis (including traditional risk factors and medications), the upper tertiles of MCSF (> or =814 pg/mL) and CRP (> or =2.5 mg/L) levels were independently associated with a 13- and 6-fold increase in risk of events, respectively (P<0.01). Patients with combined high CRP and MCSF had a higher absolute risk of events than patients with elevated MCSF or CRP alone (75 vs. 59 vs. 32%, respectively, P<0.01). The mean event-free time was 39, 64, and 52 months in patients with elevated MCSF, elevated CRP, and their combination, respectively.
CONCLUSION: In patients with chronic CAD, the prognostic value of MCSF is independent and complementary to that of CRP. MCSF is a particularly useful prognostic marker when CRP levels are low, but also provides additional information concerning risk and time-course of events in patients with elevated CRP.