Antibody-mediated interferences affecting cardiac troponin assays: recommendations from the IFCC Committee on Clinical Applications of Cardiac Biomarkers

Abstract: The International Federation of Clinical Chemistry Committee on Clinical Applications of Cardiac Biomarkers (IFCC C-CB) provides educational documents to facilitate the interpretation and use of cardiac biomarkers in clinical laboratories and practice. Our aim is to improve the understanding of certain key analytical and clinical aspects of cardiac biomarkers and how these may interplay. Measurements of cardiac troponin (cTn) have a prominent place in the clinical work-up of patients with suspected acute coronary syndrome. It is therefore important that clinical laboratories know how to recognize and assess analytical issues. Two emerging analytical issues resulting in falsely high cTn concentrations, often several fold higher than the upper reference limit (URL), are antibody-mediated assay interference due to long-lived cTn-antibody complexes, called macrotroponin, and crosslinking antibodies that are frequently referred to as heterophilic antibodies. We provide an overview of antibody-mediated cTn assay interference and provide recommendations on how to confirm the interference and interpret the results.

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
Antibody-mediated interferences affecting cardiac troponin assays: recommendations from the IFCC Committee on Clinical Applications of Cardiac Biomarkers ; volume:61 ; number:8 ; year:2023 ; pages:1411-1419 ; extent:09
Clinical chemistry and laboratory medicine ; 61, Heft 8 (2023), 1411-1419 (gesamt 09)

Urheber
Hammarsten, Ola
Warner, Janet V.
Lam, Leo
Kavsak, Peter
Lindahl, Bertil
Aakre, Kristin M.
Collinson, Paul
Jaffe, Allan S.
Saenger, Amy K.
Body, Richard
Mills, Nicholas L.
Omland, Torbjørn
Ordonez-Llanos, Jordi
Apple, Fred S.

DOI
10.1515/cclm-2023-0028
URN
urn:nbn:de:101:1-2023070114053664938053
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
14.08.2025, 10:54 MESZ

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Beteiligte

  • Hammarsten, Ola
  • Warner, Janet V.
  • Lam, Leo
  • Kavsak, Peter
  • Lindahl, Bertil
  • Aakre, Kristin M.
  • Collinson, Paul
  • Jaffe, Allan S.
  • Saenger, Amy K.
  • Body, Richard
  • Mills, Nicholas L.
  • Omland, Torbjørn
  • Ordonez-Llanos, Jordi
  • Apple, Fred S.

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