Respiratory failure & ventilation

Prone Positioning in a North American Cohort of Hypoxemic Patients on Mechanical Ventilation

Crit Care MedPublished Retrospective cohort study

Authors' conclusion

In a North American cohort of proning-eligible patients, proning increased during the pandemic and then declined.

Study context

Population
Mechanically ventilated adults with persistent moderate-to-severe hypoxemia (PaO2/FiO2 ≤ 150 mm Hg, FiO2 ≥ 0.6, PEEP ≥ 5 cm H2O), 37 North American hospitalsproning-eligible
Participants
5,944 participants
Exposure
Proning use across pre-pandemic, pandemic and post-pandemic periods
Outcome
Proning use
Methodological detailsmulticentre
  • Multicentre

Main finding

As reported in the abstract

Adjusted odds ratio (95% CI)
Pandemic vs Pre-pandemic
7.6(5.5–10.4)
Pandemic vs Post-pandemic
2.7(1.8–3.9)
Overall proning
2155 (36.2%)

Observational data: associations, not effects.

Further findings

OutcomeOR (95% CI)
Proning by SARS-CoV-2 status (subgroup)Pandemic SARS-CoV-2 positive vs Pandemic SARS-CoV-2 negative5.1 (4.1–5.6)
Proning by SARS-CoV-2 status (subgroup)Pandemic SARS-CoV-2 negative vs Pre-pandemic3.8 (2.7–5.2)
Proning by SARS-CoV-2 status (subgroup)Pandemic SARS-CoV-2 negative vs Post-pandemic · smaller and not significant1.3 (0.9–1.8)

Median OR

OutcomePre-pandemicPandemicPost-pandemic
Between-hospital variation in proning (median OR)CrI2.9 (95% CrI 1.9–5.3)1.9 (95% CrI 1.6–2.3)2.3 (95% CrI 1.8–3.3)

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Prone Positioning in a North American Cohort of Hypoxemic Patients on Mechanical Ventilation. Crit Care Med. Published 22 May 2026. doi:10.1097/ccm.0000000000007148

Composed by AI from the published abstract and checked against it. How Briefs are made →

Get them every week

New studies on this topic in My Week and in your Monday e-mail.

We e-mail you a sign-in link and a code. No password, no spam.