• Tunay Sentürk, Jale Cordan, Ibrahim Baran, Bülent Ozdemir, Sümeyye Güllülü, Ali Aydinlar, and Güher Göral.
• Department of Cardiology, Uludag University School of Medicine Bursa, Turkey. tunaysenturk@hotmail.com
• Acta Cardiol. 2007 Apr 1; 62 (2): 135-41.

ObjectivesThe aim of this study is to determine the relation of high-sensitive serum C-reactive protein (hsCRP) and procalcitonin with presence and severity of coronary artery disease and early prognosis in patients with acute coronary syndrome (ACS).Methods And ResultsProcalcitonin and hsCRP levels were measured at admission and after 48 hours in 50 patients (41 men, 9 women) with ACS. The patients were assigned to three groups according to their clinical diagnosis: unstable angina pectoris (UAP) (Braunwald III-B), non-ST-segment elevation myocardial infarction (NSTEMI) and ST-segment elevation myocardial infarction (STEMI). Incidences of adverse cardiac events were recorded in a 3-month follow-up. Coronary angiography was performed to evaluate presence and severity of coronary artery disease. In the groups of STEMI, NSTEMI and UAP, procalcitonin (P = 0.01 3, P = 0.045 and P = 0.000 1, respectively) and hsCRP (P = 0.000 1, P = 0.01 and P = 0.00 1, respectively) levels were significantly increased. No significant correlation was found between these markers and the presence and severity of coronary artery disease. There was no correlation between procalcitonin and hsCRP levels at admission and after 48 hours and primary end points after 3 months except in the group of UAP with revascularization procedure. In the group of UAP, hsCRP levels at 48 hours were found higher in the patients with a revascularization procedure (P = 0.04).ConclusionsIn conclusion, levels of hsCRP and procalcitonin are increased in patients with ACS but failed to correlate with severity of coronary disease and early prognosis.

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