Noninvasive Ventilation of Patients with Acute Respiratory Distress Syndrome

Giacomo Bellani, John G. Laffey, Tai Pham, Fabiana Madotto, Eddy Fan, Laurent Brochard, Andres Esteban, Luciano Gattinoni, Vesna Bumbasirevic, Lise Piquilloud, Frank Van Haren, Anders Larsson, Daniel F. McAuley, Philippe R. Bauer, Yaseen M. Arabi, Marco Ranieri, Massimo Antonelli, Gordon D. Rubenfeld, B. Taylor Thompson, Hermann WriggeArthur S. Slutsky, Antonio Pesenti

Research output: Contribution to journalArticlepeer-review

Abstract

Rationale: Noninvasive ventilation (NIV) is increasingly used in patients with acute respiratory distress syndrome (ARDS). The evidence supporting NIV use in patients with ARDS remains relatively sparse. Objectives: To determine whether, during NIV, the categorization of ARDS severity based on the PaO2/FIO2 Berlin criteria is useful. Methods: TheLUNGSAFE(Large Observational Study to Understand the Global Impact of Severe Acute Respiratory Failure) study described the management of patients with ARDS. This substudy examines the current practice of NIV use in ARDS, the utility of the PaO2/FIO2 ratio in classifying patients receiving NIV, and the impact of NIV on outcome. MeasurementsandMain Results:Of2,813 patients with ARDS,436 (15.5%) were managed with NIV on Days 1 and 2 following fulfillment of diagnosticcriteria.Classification of ARDS severity based on PaO2/FIO2ratio was associated with an increase in intensity of ventilatory support, NIV failure, and intensive care unit (ICU) mortality. NIV failure occurred in 22.2% of mild, 42.3% of moderate, and 47.1% of patients with severe ARDS. Hospital mortality in patients with NIV success and failure was 16.1% and 45.4%, respectively. NIV use was independently associated with increased ICU (hazard ratio, 1.446 [95% confidence interval, 1.159-1.805]), but not hospital, mortality. In a propensity matched analysis, ICU mortality was higher in NIV than invasively ventilated patients with a PaO2/FIO2 lower than 150 mm Hg. Conclusions:NIV was used in 15% of patients with ARDS,irrespective of severity category. NIV seems to be associated with higher ICU mortality in patients with a PaO2/FIO2 lower than 150 mm Hg.
Original languageEnglish
Pages (from-to)67-77
Number of pages11
JournalAmerican Journal of Respiratory and Critical Care Medicine
Volume195
Issue number1
Publication statusPublished - Jan 1 2017

Keywords

  • Acute respiratory distress syndrome
  • Noninvasive ventilation

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