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Use of Neutrophil Count in Early Diagnosis and Risk Stratification of AMI

Meissner, Julia and Irfan, Affan and Twerenbold, Raphael and Mueller, Sandra and Reiter, Miriam and Haaf, Philip and Reichlin, Tobias and Schaub, Nora and Winkler, Katrin and Pfister, Otmar and Heinisch, Corinna and Mueller, Christian. (2011) Use of Neutrophil Count in Early Diagnosis and Risk Stratification of AMI. The American journal of medicine, Vol. 124, H. 6. pp. 534-542.

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Official URL: http://edoc.unibas.ch/dok/A5843834

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Abstract

Neutrophils are rapidly released into the circulation upon acute stress such as trauma or acute myocardial infarction (AMI). We hypothesized that neutrophil count might provide incremental value in the early diagnosis and risk stratification of AMI.; We conducted a prospective observational multicenter study to examine the diagnostic accuracy of the combination of neutrophil count and cardiac troponin T from 1125 consecutive patients who presented to the Emergency Department with symptoms suggestive of acute myocardial infarction. The final diagnosis was adjudicated by 2 independent cardiologists.; Neutrophil count was higher in patients with acute myocardial infarction compared with other diagnoses (median 6.7 vs. 5.0×10(9)/L, respectively, P >.001). The accuracy of the neutrophil count for diagnosing acute myocardial infarction, quantified by the area under the receiver operating characteristic curve (AUC) was 0.69, which was significantly lower than that of cardiac troponin T (AUC 0.89, P >.001). The combination of the neutrophil count and cardiac troponin T did not improve the early diagnosis of acute myocardial infarction versus cardiac troponin T alone (P=.79). The prognostic accuracy of neutrophil count for death and AMI was significantly lower than that of cardiac troponin T. However, patients in the highest tertile of neutrophil count had a significantly increased risk of death and AMI at 90 and 360 days compared with patients in the lowest tertile (hazard ratios 2.47 [95% confidence interval, 1.63-3.72] and 2.28 [95% confidence interval, 1.55-3.36], respectively).; The neutrophil count does not improve the early diagnosis of AMI in patients presenting with chest pain but identifies patients at increased risk of death.
Faculties and Departments:03 Faculty of Medicine > Bereich Medizinische Fächer (Klinik) > Kardiologie
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Medizinische Fächer (Klinik) > Kardiologie
UniBasel Contributors:Reichlin, Tobias
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Excerpta Medica
ISSN:0002-9343
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:08 Jun 2012 06:55
Deposited On:08 Jun 2012 06:41

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