Unravelling the complexity of ventilator associated pneumonia: a systematic methodological literature review of diagnostic criteria and definitions used in clinical research Critical Care Springer Nature Link Ventilator Associated Pneumonia 2026: Limits of Current Definitions, Ventilator associated pneumonia (VAP) is a common complication in the ICU, associated with increased morbidity, mortality, and Best Practices in the Diagnosis and Treatment of Ventilator Associated Pneumonia Understanding the Clinical Pulmonary Infection Score (CPIS) for VAP diagnosis Ahmed Dahab posted on the topic LinkedIn Practices to prevent non ventilator hospital acquired pneumonia: a narrative review ScienceDirect