Contraindication to prone position. Pregnancy. Weight < 40 kgs Height below 140 cm or above 190 cm. Profuse bronchorrhea Other significant cause than ARDS to the respiratory failure History of pneumonectomy or pulmonary lobectomy Limitation of therapeutics. No arterial line in place. Impossible to give neuromuscular blockers (e.g. drug unavailable). Severe chronic respiratory failure with oxygen at home. Other severe acute or chronic liver failure Patient scheduled for extracorporeal membrane oxygenation. Known hypersensibility to Curosurf.

Contraindication to prone position. Pregnancy. Weight < 40 kgs Height below 140 cm or above 190 cm. Profuse bronchorrhea Other significant cause than ARDS to the respiratory failure History of pneumonectomy or pulmonary lobectomy Limitation of therapeutics. No arterial line in place. Impossible to give neuromuscular blockers (e.g. drug unavailable). Severe chronic respiratory failure with oxygen at home. Other severe acute or chronic liver failure Patient scheduled for extracorporeal membrane oxygenation. Known hypersensibility to Curosurf.