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Mueller, Deborah; Puelacher, Christian; Honegger, Ursina; Walter, Joan E; Badertscher, Patrick; Schaerli, Nicolas; Strebel, Ivo; Twerenbold, Raphael; Boeddinghaus, Jasper; Nestelberger, Thomas; Hollenstein, Christina; du Fay de Lavallaz, Jeanne; Jeger, Raban; Kaiser, Christoph; Wild, Damian; Rentsch, Katharina; Buser, Andreas; Zellweger, Michael; Reichlin, Tobias; Mueller, Christian

Direct Comparison of Cardiac Troponin T and I Using a Uniform and a Sex-Specific Approach in the Detection of Functionally Relevant Coronary Artery Disease

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  • Medientyp: E-Artikel
  • Titel: Direct Comparison of Cardiac Troponin T and I Using a Uniform and a Sex-Specific Approach in the Detection of Functionally Relevant Coronary Artery Disease
  • Beteiligte: Mueller, Deborah; Puelacher, Christian; Honegger, Ursina; Walter, Joan E; Badertscher, Patrick; Schaerli, Nicolas; Strebel, Ivo; Twerenbold, Raphael; Boeddinghaus, Jasper; Nestelberger, Thomas; Hollenstein, Christina; du Fay de Lavallaz, Jeanne; Jeger, Raban; Kaiser, Christoph; Wild, Damian; Rentsch, Katharina; Buser, Andreas; Zellweger, Michael; Reichlin, Tobias; Mueller, Christian
  • Erschienen: Oxford University Press (OUP), 2018
  • Erschienen in: Clinical Chemistry
  • Sprache: Englisch
  • DOI: 10.1373/clinchem.2018.286971
  • ISSN: 0009-9147; 1530-8561
  • Schlagwörter: Biochemistry (medical) ; Clinical Biochemistry
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:title>Abstract</jats:title> <jats:sec> <jats:title>BACKGROUND</jats:title> <jats:p>We aimed to directly compare high-sensitivity cardiac troponin I (hs-cTnI) and high-sensitivity cardiac troponin T (hs-cTnT) in the detection of functionally relevant coronary artery disease (fCAD).</jats:p> </jats:sec> <jats:sec> <jats:title>METHODS</jats:title> <jats:p>Consecutive patients referred with clinical suspicion of fCAD and no structural heart disease other than coronary artery disease were included. The presence of fCAD was based on rest/stress myocardial perfusion single-photon emission computed tomography/computed tomography and coronary angiography. hs-cTnI and hs-cTnT concentrations were measured in a blinded fashion. Diagnostic accuracy was quantified using the area under the ROC curve (AUC) and evaluated both for uniform use in all patients and for sex-specific use in women and men separately. The prognostic end point was major adverse cardiac events (MACEs; cardiovascular death or myocardial infarction) within 2 years. For the prognostic performance, we used a multivariable model comparison with the Akaike information criterion (AIC).</jats:p> </jats:sec> <jats:sec> <jats:title>RESULTS</jats:title> <jats:p>fCAD was detected in 613 of 2062 patients (29.7%) overall, 112 of 664 of women (16.9%), and 501 of 1398 of men (35.8%). hs-cTnI and hs-cTnT had comparable diagnostic accuracy when assessed for uniform use in all patients (AUC, 0.68 vs 0.66; P = 0.107) and separately in women (AUC, 0.68 vs 0.63; P = 0.068) and men (AUC, 0.65 vs 0.64; P = 0.475). However, women required lower rule-out cutoffs to achieve high sensitivity, and men needed higher rule-in cutoffs to achieve high specificity. hs-cTnI and hs-cTnT were strongly and independently associated with MACE within 2 years (P &amp;lt; 0.001), with comparable prognostic accuracies by the AIC.</jats:p> </jats:sec> <jats:sec> <jats:title>CONCLUSIONS</jats:title> <jats:p>hs-cTnI and hs-cTnT provide moderate and comparable diagnostic accuracy. Sex-specific cutoffs may be preferred. The prognostic utility of both troponins is comparable.</jats:p> </jats:sec>