• Eur J Emerg Med · Aug 2023

    Acute heart failure in elderly patients admitted to the emergency department with acute dyspnea: a multimarker approach diagnostic study.

    • Omide Taheri, Frédéric Mauny, Patrick Ray, Marc Puyraveau, Alain-Eric Dubart, Camille Chenevier-Gobeaux, Marie-France Seronde, Alexandre Mebazaa, Bérenger Martin, Jean-Baptiste Pretalli, Thibaut Desmettre, and READ Study group.
    • Emergency Department, CHU Besançon.
    • Eur J Emerg Med. 2023 Aug 18.

    Background And ImportanceDiagnosing acute heart failure (AHF) is difficult in elderly patients presenting with acute dyspnea to the emergency department.ObjectivesTo assess the diagnostic accuracy of NT-proBNP, high-sensitivity cardiac troponin-I (Hs-cTnI), soluble ST2 (ST2), galectin-3 and CD146 alone and in combination for diagnosing AHF in elderly patients presenting with acute dyspnea to the emergency department.Design, Settings And ParticipantsThis was a prospective, multicenter study performed between September 2016 and January 2020, including elderly patients presenting with acute dyspnea to the emergency department of 6 French hospitals.InterventionMeasurement of NT-proBNP, hs-cTnI, ST2, galectin-3 and CD146.Outcome Measure And AnalysisThe reference standard, AHF, was adjudicated by two independent physicians based on ED and hospitalization clinical, biological (excluding biomarkers), radiological and echocardiography data (performed by a cardiologist in the cardiology department specifically for this study). Three exploratory methods (two using a cross-sectional approach with logistic regression and counting all biomarker combinations, and one using a sequential approach with gray zone optimizations) were applied to create comprehensive combinations of the 5 biomarkers for measuring diagnostic accuracy.Main ResultsTwo hundred thirty-eight patients (median age of 85 years, IQR = 8) were analyzed, and 110 (46%) were diagnosed with AHF. The accuracies of NT-proBNP, CD146, hs-cTnI, galectin-3, and ST2 were 0.72 [95% confidence interval (CI) 0.66-0.77], 0.63 (95% CI 0.57-0.69), 0.59 (95% CI 0.53-0.65), 0.55 (95% CI 0.49-0.61) and 0.51 (95% CI 0.45-0.57), respectively. Regardless of the approach used or how the 5 biomarkers were combined, the best accuracy for diagnosing AHF (0.73, 95% CI 0.67-0.78) did not differ from that of NT-proBNP alone.ConclusionIn this study, NT-proBNP alone exhibited the best diagnostic accuracy for diagnosing AHF in elderly patients presenting with acute dyspnea to the emergency departments. None of the other biomarkers alone or combined improved the accuracy compared to NT-proBNP, which is the only biomarker to use in this setting.Copyright © 2023 Wolters Kluwer Health, Inc. All rights reserved.

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