PUMA
Istituto di Fisiologia Clinica     
Lubrano V., Cocci F., Battaglia D., Papa A., Marraccini P., Zucchelli G. C. Usefulness of high-sensitivity IL-6 measurement for clinical characterization of patients with coronary artery disease. In: Journal of Clinical Laboratory Analysis, vol. 19 pp. 110 - 114. Wiley & Sons, 2005.
 
 
Abstract
(English)
nterleukin 6 (IL-6) may represent an early marker of inflammatory activation and may be useful to ameliorate risk stratification in patients with ischemic heart disease. The aim of this study was to verify the performance characteristics of an ultrasensitive immunoassay (Biosource International, Camarillo, CA) for high-sensitivity (hs)-IL-6 measurement in comparison with hs-R&D Systems (Abingdon, United Kingdom) and Immulite System (Diagnostic Products Corporation [DPC], Los Angeles, CA) methods in patients with ischemic heart disease. In addition, hs-C-reactive protein (hs-CRP) concentrations were measured, to evaluate the correlation with hs-IL-6 levels. We measured IL-6 and CRP serum levels in 39 patients with ischemic heart disease and in 12 controls. Out of the 39 patients studied, 13 were affected by unstable angina, 13 by post-acute myocardial infarction (AMI) unstable angina, and 13 by stable angina. The imprecision profile and functional sensitivity were performed measuring 9 different serum pools in 10 runs. The Biosource method had the best performance characteristics as compared to the others. Mean IL-6 level was higher in patients with unstable and post-AMI unstable angina with respect to controls. CRP levels were elevated in patients with post-AMI. In the whole population a high significant linear regression was observed between Biosource hs-IL-6 and hs-CRP serum levels. The Biosource method for IL-6 measurement is characterized by a high functional sensitivity that allows a better stratification of patients with ischemic heart disease.
URL: http://www3.interscience.wiley.com/cgi-bin/fulltext/110498161/PDFSTART
Subject IL-6
CRP
angina
US-immunoassay


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