How Does the Analytical Quality of the High-Sensitivity Cardiac Troponin T Assay Affect the ESC Rule Out Algorithm for NSTEMI?

The ESC algorithm requires that a difference of <3 ng/L can be detected (4) and, by implication, that there is an absolute RCV (8) value of <3 ng/L. Because cardiac troponin is reported in whole numbers, the actual lowest detectable 8 value should be 2 ng/L. [...]the hs-cTnT assay showed satis...

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Published inClinical chemistry (Baltimore, Md.) Vol. 65; no. 3; pp. 494 - 496
Main Authors Haagensen, Kristin, Collinson, Paul, Åsberg, Arne, Aakre, Kristin M
Format Journal Article
LanguageEnglish
Published England Oxford University Press 01.03.2019
Subjects
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ISSN0009-9147
1530-8561
1530-8561
DOI10.1373/clinchem.2018.298703

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Abstract The ESC algorithm requires that a difference of <3 ng/L can be detected (4) and, by implication, that there is an absolute RCV (8) value of <3 ng/L. Because cardiac troponin is reported in whole numbers, the actual lowest detectable 8 value should be 2 ng/L. [...]the hs-cTnT assay showed satisfactory analytical precision when using 2 Cobas e801 modules, but laboratories should still verify their CVA locally before implementing the ESC rule-out algorithm. Hormone Laboratory Haukeland University Hospital PO Box 1400 5021 Bergen, Norway E-mail kristin.moberg.aakre@helse-bergen.no Previously published online at DOI: 10.1373/clinchem.2018.298703 1 Nonstandard abbreviations: ESC, European Society of Cardiology; NSTEMI, non-ST elevation myocardial infarction; hs-cTnT, high-sensitivity cardiac troponin T; CVA, analytical variation; RCV, reference change values; CV,, intra-individual biological variation.
AbstractList The ESC algorithm requires that a difference of <3 ng/L can be detected (4) and, by implication, that there is an absolute RCV (8) value of <3 ng/L. Because cardiac troponin is reported in whole numbers, the actual lowest detectable 8 value should be 2 ng/L. [...]the hs-cTnT assay showed satisfactory analytical precision when using 2 Cobas e801 modules, but laboratories should still verify their CVA locally before implementing the ESC rule-out algorithm. Hormone Laboratory Haukeland University Hospital PO Box 1400 5021 Bergen, Norway E-mail kristin.moberg.aakre@helse-bergen.no Previously published online at DOI: 10.1373/clinchem.2018.298703 1 Nonstandard abbreviations: ESC, European Society of Cardiology; NSTEMI, non-ST elevation myocardial infarction; hs-cTnT, high-sensitivity cardiac troponin T; CVA, analytical variation; RCV, reference change values; CV,, intra-individual biological variation.
Author Collinson, Paul
Åsberg, Arne
Aakre, Kristin M
Haagensen, Kristin
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Cites_doi 10.1373/clinchem.2013.216978
10.1016/j.cjca.2017.11.010
10.1093/eurheartj/ehv320
10.1016/j.clinbiochem.2013.03.022
10.3109/10408368909106595
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StartPage 494
SubjectTerms Abbreviations
Algorithms
Angina pectoris
Bias
Biological variation
Biomarkers - blood
Blood Chemical Analysis - statistics & numerical data
Calcium-binding protein
Cardiology
Clinching
Heart
Heart attacks
Humans
Laboratories
Mathematical analysis
Myocardial infarction
Non-ST Elevated Myocardial Infarction - diagnosis
Sensitivity analysis
Statistical analysis
Troponin
Troponin T
Troponin T - blood
Values
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Title How Does the Analytical Quality of the High-Sensitivity Cardiac Troponin T Assay Affect the ESC Rule Out Algorithm for NSTEMI?
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