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<p>High-flow oxygen therapy (HFOT) has become the most common oxygen-supplementation modality in patients with acute respiratory failure, based chiefly on data from tightly selected patients included in randomized trials. Our objective was to obtain real-life data on HFOT failure. This prospective observational multicenter French study done in 13 intensive care units in 2019–2020 was designed to determine the proportion of patients with failed HFOT, defined as intubation, noninvasive ventilation, standard oxygen therapy with an estimated FiO<sub>2</sub>&gt;50%. We included 257 patients before prematurely ending the study due to the COVID-19 pandemic. HFOT failed in 79 patients (32%), including 42 (17%) who required intubation. Mean HFOT duration was 2.4 ± 2.2 days. By multivariate analysis, a low ROX index (ratio of pulse-oximeter saturation (SpO<sub>2</sub>) over FiO<sub>2</sub>, over the respiratory rate (RR) was associated with HFOT failure (adjusted hazard ratio [aHR], 0.83; 95%CI, 0.77–0.90, <i>P</i> &lt; 0.0001), as were elevated mean arterial pressure (aHR, 1.03; 95%CI, 1.02–1.05), vasopressor therapy (aHR, 3.35; 95%CI, 1.44–7.79), and worse Glasgow Coma Scale score (aHR, 0.69; 95%CI, 0.57–0.80, <i>P</i> &lt; 0.001). The identification of factors independently associated with HFOT failure should help to determine which patients are most likely to benefit from HFOT, thereby preventing delayed intubation. Additional studies are needed to further assess these risk factors and to determine the optimal HFOT weaning modalities.</p><p><b>Trial registration</b>: The study was registered on the ClinicalTrials.gov registry on February 11, 2019 (NCT04141956).</p>

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High-flow nasal-cannula oxygen therapy in intensive-care-unit patients: a prospective multicenter observational cohort study (OHE-REA)

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年2月24日

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  • Paul Compagne,
  • Stephan Ehrmann,
  • Maud Jonas,
  • Jean Morin,
  • Julien Cadiet,
  • Christophe Guitton,
  • Damien Du Cheyron,
  • Jerome Devaquet,
  • Bertrand Sauneuf,
  • Hadrien Winiszewski,
  • Toufik Kamel,
  • Agathe Delbove,
  • Karim Lakhal,
  • Jean Reignier,
  • Aurélie Le Thuaut,
  • Jean-Baptiste Lascarrou

摘要

High-flow oxygen therapy (HFOT) has become the most common oxygen-supplementation modality in patients with acute respiratory failure, based chiefly on data from tightly selected patients included in randomized trials. Our objective was to obtain real-life data on HFOT failure. This prospective observational multicenter French study done in 13 intensive care units in 2019–2020 was designed to determine the proportion of patients with failed HFOT, defined as intubation, noninvasive ventilation, standard oxygen therapy with an estimated FiO2>50%. We included 257 patients before prematurely ending the study due to the COVID-19 pandemic. HFOT failed in 79 patients (32%), including 42 (17%) who required intubation. Mean HFOT duration was 2.4 ± 2.2 days. By multivariate analysis, a low ROX index (ratio of pulse-oximeter saturation (SpO2) over FiO2, over the respiratory rate (RR) was associated with HFOT failure (adjusted hazard ratio [aHR], 0.83; 95%CI, 0.77–0.90, P < 0.0001), as were elevated mean arterial pressure (aHR, 1.03; 95%CI, 1.02–1.05), vasopressor therapy (aHR, 3.35; 95%CI, 1.44–7.79), and worse Glasgow Coma Scale score (aHR, 0.69; 95%CI, 0.57–0.80, P < 0.001). The identification of factors independently associated with HFOT failure should help to determine which patients are most likely to benefit from HFOT, thereby preventing delayed intubation. Additional studies are needed to further assess these risk factors and to determine the optimal HFOT weaning modalities.

Trial registration: The study was registered on the ClinicalTrials.gov registry on February 11, 2019 (NCT04141956).