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Case report
Does proning on NIV improve oxygenation?
  1. Syed Muhammad Tahir Nasser1 and
  2. Madan Narayanan2
  1. 1Intensive Care, East Surrey Hospital, Redhill, UK
  2. 2Department of Anaesthesia, Frimley Park Hospital NHS Foundation Trust, Camberley, UK
  1. Correspondence to Dr Syed Muhammad Tahir Nasser; syed.nasser1{at}


Proning intubated patients with acute respiratory distress syndrome (ARDS) is an established practice to improve oxygenation temporarily. We present two cases of patients on our intensive care unit with ARDS, on non-invasive ventilation (NIV), in whom proning improved oxygenation at a stage when intubation was the next step. We discuss the mechanisms by which proning improves oxygenation as well as the potential risks proning on NIV brings, for which we make specific recommendations.

  • influenza
  • pneumonia (infectious disease)
  • adult intensive care
  • mechanical ventilation
  • anaesthesia

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  • Contributors MN was the lead clinician during the care of patients 1 and 2, and provided the original outline of the case report in addition to reviewing the manuscript, providing critical corrections. SMTN analysed and compiled the data, as well as wrote and revised the manuscript.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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