With or Without ARDS: Evidence Regarding PEEP levels
Journal Title: Journal of Intensive and Critical Care - Year 2017, Vol 3, Issue 2
Abstract
Positive end-expiratory pressure (PEEP) is defined as the alveolar pressure above atmospheric pressure that exists at the end of expiration, and it comprehends the intrinsic PEEP and extrinsic PEEP [1]. Intrinsic PEEP is a dynamic hyperinflation, which may lead to gas trapping, increased end expiration pressure, and hemodynamic instability [1]. It can also be subdivided in static, measured by occluding the airway at end-expiration, and dynamic, measured by recording the change in pressure required to initiate lung inflation [2]. Extrinsic PEEP is an adjustable variable provided by the mechanical ventilator and involves the application of a resistance to expiration in order to produce positive airway pressure, which could stabilize airways, prevent premature airway closure, improve ventilation and reduce gas trapping.
Authors and Affiliations
Fabio Tanzillo Moreira, Niklas Söderberg Campos, Ary Serpa Neto
Keywords
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- EP ID EP300700
- DOI 10.21767/2471-8505.100079
- Views 40
- Downloads 0
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