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MINERVA ANESTESIOLOGICA

Rivista di Anestesia, Rianimazione, Terapia Antalgica e Terapia Intensiva


Official Journal of the Italian Society of Anesthesiology, Analgesia, Resuscitation and Intensive Care
Indexed/Abstracted in: Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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Minerva Anestesiologica 2017 Mar 08

DOI: 10.23736/S0375-9393.17.10882-5

Copyright © 2017 EDIZIONI MINERVA MEDICA

lingua: Inglese

Evaluation of eight biomarkers to predict short term mortality in patients with acute severe dyspnea

Claire ARA-SOMOHANO 1 , Agnès BONADONA 1, Francoise CARPENTIER 2, Patricia PAVESE 3, Aurélien VESIN 5, Rebecca HAMIDFAR-ROY 1, Clémence MINET 1, Gerald VANZETTO 4, 5, Carole SCHWEBEL 1, 5, Jean F. TIMSIT 5 6, 7

1 Medical ICU, University Hospital, Grenoble, France; 2 Emergency Department, University Hospital, Grenoble, France; 3 Infectious Diseases, University Hospital, Grenoble, France; 4 Cardiovascular Unit, University Hospital, Grenoble, France; 5 University Joseph Fourier, Integrated Research Center Inserm U1039, "Radiopharmaceutical Bioclinical", Grenoble, France; 6 AP-HP, Bichat Hospital, Medical and Infectious Diseases ICU, Paris, France; 7 IAME, UMR 1137, Paris Diderot University, Sorbonne Paris Cité, Paris, France


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BACKGROUND: Being able to better predict risk and optimal care for patients presenting with acute dyspnea is critical. Prognostic biomarkers are well known: amino-terminal pro-Btype Natriuretic Peptide, troponin, C-reactive protein, procalcitonin. Some were more recently developed: mid-regional pro-A-type natriuretic peptide (Mid Pro-ANP), mid-regional-proadrenomedullin (MR-proADM), pro-endothelin, copeptin. The aim of the paper was to evaluate prognostic value of clinical findings and 8 biomarkers in patients with severe acute dyspnea.
METHODS: We designed a prospective cohort study targeting patients admitted in the Emergency Department and in Intensive Care Unit of a University Hospital. Inclusion criteria were acute dyspnea with SpO2 less than 92% and/or respiratory rate (RR) greater than or equal to 25 bpm. Clinical and biological data, including biomarker levels, were recorded. The contribution of the biomarkers in the prognosis was assessed using AUC-ROC curves and by multiple logistic regression.
RESULTS: 384 patients (median age 74 y, 28-day mortality 17%) were enrolled. All biomarkers were available for 317 patients. Main diagnoses were sepsis in 141 cases (36.7%), and acute heart failure in 84 (21.9%) cases. All biomarkers were correlated with prognosis. Pro-ADM (AUC-ROC = 0.731; 95% CI: 0.658-0.804) showed the best accuracy. The parameters independently associated with prognosis led to a clinical/biological model with anAUC=0.809 and a good calibration (P (HLchi2) =0.9). Three biomarkers added prognostic information to the model: MR-proADM (p=0.005), copeptin (p=0.006) and troponin (p=0.05).
CONCLUSIONS: Biomarkers can contribute to determine the day-28 outcome of patients with acute severe dyspnea.


KEY WORDS: Biomarkers - Acute respiratory failure - Critical care

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carasomohano@chu-grenoble.fr