Inhaled amikacin as a preventive strategy against ventilator associated pneumonia in a trauma intensive care unit: early evidence from a single center retrospective cohort study Important steps in preventing ventilator associated pneumonia Preventing Ventilator Associated Pneumonia ( VAP ) : * Head of the bed elevation : maintain the head of the bed elevated ( 30 40 ) * Daily sedation interruptions and assessment Ventilator Associated Pneumonia (VAP)