From: Therapeutic iloprost for the treatment of acute respiratory distress syndrome (ARDS) (the ThIlo trial): a prospective, randomized, multicenter phase II study
Mild ARDS
Moderate ARDS
Severe ARDS
200 mmHg < PaO2/FiO2 ≤ 300 mmHg
PEEP ≥5 cmH2O
100 mmHg < PaO2/FiO2 ≤ 200 mmHg
PaO2/FiO2 ≤ 100 mmHg