
Does C-reactive Protein Add Prognostic Value to GRACE Score in Acute Coronary Syndromes?
2014; Sociedade Brasileira de Cardiologia (SBC); Linguagem: Inglês
10.5935/abc.20140056
ISSN1678-4170
AutoresLuís Cláudio Lemos Correia, Isis Vasconcelos, Guilherme J. M. Garcia, Felipe Kalil, Felipe Ferreira, André Silva, Ruan Oliveira, Manuela Carvalhal, Caio Mário da Silva Pereira Freitas, Márcia Noya-Rabelo,
Tópico(s)Lipoproteins and Cardiovascular Health
ResumoBackground: The incremental prognostic value of plasma levels of C-reactive protein (CRP) in relation to GRACE score has not been established in patients with acute coronary syndrome (ACS) with non-ST segment elevation.Objective: To test the hypothesis that CRP measurements at admission increases the prognostic value of GRACE score in patients with ACS.Methods: A total of 290 subjects, consecutively admitted for ACS, with plasma material obtained upon admission CRP measurement using a high-sensitivity method (nephelometry) were studied.Cardiovascular outcomes during hospitalization were defined by the combination of death, nonfatal myocardial infarction or nonfatal refractory angina.Results: The incidence of cardiovascular events during hospitalization was 15% (18 deaths, 11 myocardial infarctions, 13 angina episodes) with CRP showing C-statistics of 0.60 (95% CI = 0.51-0.70,p = 0.034) in predicting these outcomes.After adjustment for the GRACE score, elevated CRP (defined as the best cutoff point) tended to be associated with hospital events (OR = 1.89, 95% CI = 0.92 to 3.88, p = 0.08).However, the addition of the variable elevated CRP in the GRACE model did not result in significant increase in C-statistics, which ranged from 0.705 to 0.718 (p = 0.46).Similarly, there was no significant reclassification of risk with the addition of CRP in the predictor model (net reclassification = 5.7 %, p = 0.15). Conclusion:Although CRP is associated with hospital outcomes, this inflammatory marker does not increase the prognostic value of the GRACE score.(
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