• M Arranz, J Jacob, M Sancho-Ramoneda, À Lopez, M C Navarro-Sáez, J R Cousiño-Chao, X López-Altimiras, F López I Vengut, O García-Trallero, A German, J Farré-Cerdà, and J Zorrilla.
• Servicio de Urgencias, Hospital de Viladecans, Viladecans, Barcelona, España.
• Med Intensiva. 2020 Apr 14.

ObjectiveTo analyze the characteristics and variables associated with prolonged noninvasive ventilation performed completely in Emergency Departments (NIV-ED) and its influence upon effectiveness.DesignA prospective, multicenter, observational multipurpose cohort study was carried out.SettingVNICat Registry.SubjectsPatients in which NIV-ED was performed in 11 Catalan hospitals in the months of February or March 2015.InterventionNo.VariablesThe study variable was NIV-ED, which as a function of time was defined as prolonged or not prolonged. The efficacy variable was the success of the technique in terms of patient improvement.ResultsA total of 125 patients were included, with a median NIV-ED duration of 12hours, which was the cut-off point for the comparator groups. In 60 cases (48%) NIV-ED was not prolonged (<12hours), while in 65 cases (52%) ventilation was prolonged (≥12hours). Non-prolonged NIV-ED was associated to the indication of acute heart failure and prolonged ventilation to the presence of diabetes. There were no differences between non-prolonged and prolonged NIV-ED in terms of efficacy, and the success rate in terms of improvement was 68.3% and 76.9%, respectively, with an adjusted odds ratio of 1.49 (95%CI 0.61-3.60).ConclusionsProlonged NIV-ED is a frequent situation, but few variables associated to it have been studied. The presence of prolonged ventilation did not influence the success rate of NIV.Copyright © 2020. Publicado por Elsevier España, S.L.U.

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