Prone Ventilation for ARDS

A multicentre randomised controlled trial of 342 adult patients with moderate to severe ARDS assessed the effect of prone ventilation on mortality, and showed no benefit (6-month mortality was 52.7% and 63.2%, respectively (RR, 0.78; 95% CI, 0.53-1.14; P = .19).
Complications were higher in the prone group.
Prone positioning in patients with moderate and severe acute respiratory distress syndrome: a randomized controlled trial
JAMA. 2009 Nov 11;302(18):1977-84