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Long-term prognostic utility of PAPP-A and calprotectin in suspected acute coronary syndrome.
MedLine Citation:
PMID:  23406538     Owner:  NLM     Status:  Publisher    
Background. Vascular inflammation plays a key role in the development of acute coronary syndrome (ACS). Pregnancy-Associated Plasma Protein A (PAPP-A) and calprotectin are two of several novel promising markers of inflammation. The present study evaluates the prognostic utility of these two biomarkers in patients with suspected ACS. Methods. Chest pain patients with suspected ACS (N = 871) were consecutively included in a prospective, observational study with a mean follow-up time of 84 months. Blood samples were drawn at admission, prior to treatment with heparin. Results. Total mortality was 38.9%. In univariate analyses, high PAPP-A levels were associated with significant increased mortality. The hazard ratio [HR] in quartile (Q) 3 and Q4 were 1.57 (95% confidence interval (CI), 1.14-2.18), p = 0.006, and 1.41 [95% CI 1.02-1.97], p = 0.040, respectively, as compared to Q1. Calprotectin in the upper quartile (Q4) was associated with total mortality [HR1.94 (95% CI 1.42-2.66)], p = < 0.001, the combined endpoint of death or recurrent myocardial infarction (MI) [HR 1.68 (95% CI 1.26-2.24), p = < 0.001], and recurrent MI [HR 1.60 (95% CI 1.06-2.41); p = 0.024]. However, neither PAPP-A nor calprotectin was found to be an independent predictor of future adverse events. Conclusion. In this study, high levels of PAPP-A and calprotectin were associated with adverse clinical outcome in chest pain patients with clinically suspected ACS. However, neither of the two biomarkers was an independent predictor of long-term prognosis.
Oistein Rønneberg Mjelva; Trygve Brügger-Andersen; Volker Pönitz; Heidi Grundt; Fredrik Kontny; Harry Staines; Dennis Nilsen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-2-13
Journal Detail:
Title:  Scandinavian cardiovascular journal : SCJ     Volume:  -     ISSN:  1651-2006     ISO Abbreviation:  Scand. Cardiovasc. J.     Publication Date:  2013 Feb 
Date Detail:
Created Date:  2013-2-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9708377     Medline TA:  Scand Cardiovasc J     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Medicine, Stavanger University Hospital , Stavanger , Norway.
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