CSF2 and acute respiratory distress syndrome: The current clinical treatments for ARDS include corticosteroid support therapy,43 recombinant colony-stimulating factor therapy,44 lipid metabolism interference,45, 46 lung surface active agent therapy,47β agonist administration and NO inhalation.48, 49 However, only the use of neuromuscular blockers50 or mechanical ventilation51 can improve mortality.