Study protocol
ARDS
ARDS, RECRUITMENT
Patients were randomly assigned 1:1 to receive EIT-guided PEEP titration followed by PEEP selection via the High-PEEP/FiODuring the EIT-guided PEEP titration phase, patients underwent a recruitment maneuver. PEEP was then decreased by two cmHPatients randomized to the EIT-first group underwent EIT-guided PEEP titration, as above. This was followed by six hours of management per the University of Michigan ARDS protocol (Additional file Trial design and crossover. Red arrows represent the time point at which post-intervention data were collected. Center crossed arrows represent the time of crossover