PET - PEEP by EIT for Acute Respiratory Distress Syndrome Trial

Inclusion criteria

Intubated, mechanically ventilated patients with diagnosis of ARDS according to ARDS Berlin standard by attending doctor

Exclusion criteria

• Age < 18 years old and > 90 years old;
• Pregnancy;
• EIT contradictions (presence of pacemaker or automatic implantable cardioverter defibrillator);
• Severe intracranial hypertension;
• Pneumothorax, pneumomediastinum, subcutaneous emphysema or at high-risk for pneumothorax (e.g., pneumatocele, interstitial lung disease);
• Unstable hemodynamic status intorerable to lung recruitment and PEEP titration, judged by an attending intensivist; (This may be a transient criterion, since patients meeting this criterion might be included later if hemodynamics improves)
• End status of disease;
• Patients or their families refused to participate in the study