Objectives. Review policy and procedural practice changes for VAP preventionDiscuss BIDMC practice changes related to:Hand HygieneOral CareHOB elevationSuctioningVent Circuits . What is VAP?. A nosocomial pneumonia associated with mechanical ventilation that develops within 48 hours or more of hospital admission and which was not developing at the time of admission. Crit Care Nurs Q (2004).