Ventilator associated pneumonia: pathobiological heterogeneity and diagnostic challenges Nature Communications IPHIVAP The Bottom Line VENTILATOR = LIFE SUPPORT but also VAP RISK. Up to 20% of ventilated patients >48 hrs develop VAP. Mortality? Can reach 50%. Here's what actually matters in ICU rounds 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