![]() The CDC has erected a hierarchy of ventilator-associated events: ventilator-associated conditions (VAC), infection-related ventilator-associated complications (IVAC), and ventilator-associated pneumonia (VAP), which may be possible or probable:Īny increase of oxygen requirement ( ≥0.20 in FiO2) or PEEP (≥3 cm H2O) after a period of stability (≥2 days) without evidence of infection is a ventilator associated condition (VAC). What are the types of Ventilator-Associated Events? Non-infectious conditions (e.g., pulmonary edema, ARDS ) can easily be misdiagnosed as VAP, and vice versa.īecause virtually all serious respiratory conditions in mechanically ventilated patients result in an increasing requirement for oxygen, the CDC used an increase in need for oxygen or positive end-expiratory pressure (PEEP), after a previous stable baseline of at least 2 days, as the case definition of a ventilator-associated event or VAE.īy substituting the oxygenation criteria for the VAP radiographic criterion, CDC hopes to improve its data collection on VAPs, and in the process also gather information on non-infectious conditions in mechanically ventilated patients. In response to the threat of nonpayment for ventilator associated pneumonias, or a loss in their quality rankings, hospitals have reduced their VAP case rates to zero (or nearly so) - although few observers believe that VAPs have in reality been eradicated. chest films are not sensitive for ventilator-associated infections). The requirement for radiographic pneumonia to make a VAP diagnosis results in many missed cases (i.e. Reliable public health data on ventilator associated pneumonia are hard to collect for at least three reasons: Ventilator-associated events are an invention of the Centers for Disease Control and Prevention (CDC), created in response to the difficulty in getting good epidemiologic data for ventilator-associated pneumonia (VAP). Here's the lowdown on VAEs and why they matter to the practicing intensivist. Have you heard of ventilator-associated events (VAEs) ? Like it or not, this neologism of healthcare-speak is coming to an ICU near you soon.
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