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Analytical evaluation of point of care cTnT and clinical performances in an unselected population as compared with central laboratory highly sensitive cTnT.
MedLine Citation:
PMID:  25315142     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVES: To report the analytical performances of the Radiometer AQT90 FLEX® cTnT assay (Neuilly-Plaisance, France) and to evaluate the concordance with hs-cTnT results from central laboratory for the diagnosis of acute myocardial infarction (AMI) at baseline and during a short follow-up among unselected patients admitted in emergency room or cardiology department.
DESIGN AND METHODS: Analytical performances of AQT90 FLEX® cTnT immunoassay included imprecision study with determination of a coefficient of variation at 10% and 20%, linearity, and limit of detection. The concordance study was based on samples obtained from 170 consecutive patients with chest pain suggestive of acute coronary syndrome (ACS) admitted in the emergency room or cardiology department. The kinetic study (within 62 additional samples 3hours later) was based on absolute delta criterion and the combination of relative change of 30% with absolute change of 7ng/L.
RESULTS: The cTnT assay from Radiometer was evaluated as clinically usable, although less sensitive than the Roche hs-cTnT assay as demonstrated by the concordance and the kinetic studies.
CONCLUSIONS: In non selected population, the cTnT AQT Flex© assay on AQT90© with kinetic change at 3hours, provides similar clinical classification of patients, particularly for AMI group as compared to central laboratory hs-cTnT assay and could be suitable for clinical use.
Authors:
Anne Marie Dupuy; Mustapha Sebbane; François Roubille; Thibault Coste; Anne Sophie Bargnoux; Stéphanie Badiou; Nils Kuster; Jean Paul Cristol
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-10-11
Journal Detail:
Title:  Clinical biochemistry     Volume:  -     ISSN:  1873-2933     ISO Abbreviation:  Clin. Biochem.     Publication Date:  2014 Oct 
Date Detail:
Created Date:  2014-10-15     Completed Date:  -     Revised Date:  2014-10-16    
Medline Journal Info:
Nlm Unique ID:  0133660     Medline TA:  Clin Biochem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2014. Published by Elsevier Inc.
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