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Troponine dosée avec un test de haute sensibilité : éléments de réponse aux questions fréquemment posées

Troponine dosée avec un test de haute sensibilité : éléments de réponse aux questions fréquemment... L’évolution rapide des méthodes de dosage des troponines cardiaques (cTn) vers une meilleure sensibilité analytique (cTn de haute sensibilité ou cTn HS) s’accompagne de nombreuses données de la littérature, mais encore incomplètes. En l’absence de standardisation des cTn et de données consensuelles sur l’utilisation et l’interprétation des résultats, les auteurs de cette revue proposent, à partir d’une revue de la littérature, et de façon multidisciplinaire, des éléments de réponses aux questions fréquemment posées. En conclusion, le bon usage des cTn HS repose sur la connaissance : 1) des caractéristiques propres de la méthode utilisée, en particulier de la précision obtenue au 99e percentile d’une population de référence ; 2) des facteurs de variation de la valeur du 99e percentile ; 3) de la forte individualité des dosages de cTn HS, pour lesquels la notion de cinétique individuelle est plus informative que la simple référence à des valeurs usuelles. La significativité des variations entre deux dosages n’est pas encore documentée pour toutes les méthodes HS. La collaboration entre cliniciens et biologistes est nécessaire à une meilleure utilisation des troponines au quotidien. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annales françaises de médecine d'urgence Springer Journals

Troponine dosée avec un test de haute sensibilité : éléments de réponse aux questions fréquemment posées

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Publisher
Springer Journals
Copyright
Copyright © 2014 by Société française de médecine d'urgence and Springer-Verlag France
Subject
Medicine & Public Health; Emergency Medicine; Anesthesiology; Intensive / Critical Care Medicine
ISSN
2108-6524
eISSN
2108-6591
DOI
10.1007/s13341-014-0423-5
Publisher site
See Article on Publisher Site

Abstract

L’évolution rapide des méthodes de dosage des troponines cardiaques (cTn) vers une meilleure sensibilité analytique (cTn de haute sensibilité ou cTn HS) s’accompagne de nombreuses données de la littérature, mais encore incomplètes. En l’absence de standardisation des cTn et de données consensuelles sur l’utilisation et l’interprétation des résultats, les auteurs de cette revue proposent, à partir d’une revue de la littérature, et de façon multidisciplinaire, des éléments de réponses aux questions fréquemment posées. En conclusion, le bon usage des cTn HS repose sur la connaissance : 1) des caractéristiques propres de la méthode utilisée, en particulier de la précision obtenue au 99e percentile d’une population de référence ; 2) des facteurs de variation de la valeur du 99e percentile ; 3) de la forte individualité des dosages de cTn HS, pour lesquels la notion de cinétique individuelle est plus informative que la simple référence à des valeurs usuelles. La significativité des variations entre deux dosages n’est pas encore documentée pour toutes les méthodes HS. La collaboration entre cliniciens et biologistes est nécessaire à une meilleure utilisation des troponines au quotidien.

Journal

Annales françaises de médecine d'urgence – Springer Journals

Published: Mar 7, 2014

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