Strategies in the prevention of ventilator associated pneumonia Diego J. Maselli, Marcos I. Restrepo, 2011 Aetiological factors of ventilator associated pneumonia (VAP) Download Scientific Diagram General flowchart of the study. VAP, ventilator associated pneumonia. Download Scientific Diagram Ventilator Associated Pneumonia (VAP) is a serious lung infection that occurs in patients on mechanical ventilation for over 48 hours. It is often caused by bacteria entering the lungs through the ventilator, leading Today's Topic: Ventilator Associated Pneumonia (VAP) Prevention Preventing VAP is crucial in mechanically ventilated patients to reduce morbidity, shorten ICU stays, and improve overall outcomes. TMC Exam Tip: Be prepared