Ventilator associated pneumonia (VAP) GPnotebook Frontiers Association between prognostic nutritional index and all cause mortality in critically ill patients with ventilator associated pneumonia: a retrospective study based on MIMIC IV database Dr. Abhishek Shukla discussed the concept of Ventilator Associated Pneumonia (VAP), a serious infection that can occur in patients who are on mechanical ventilation. He explained that ventilators are vital in preventing hypoxic Ventilator Associated Pneumonia Critical Care Clinics Flowchart. ICU intensive care unit, LOS length of stay, VAP Download Scientific Diagram