Lung protective ventilation in ARDS: role of mediators, PEEP and surfactant
- PMID: 14635498
Lung protective ventilation in ARDS: role of mediators, PEEP and surfactant
Abstract
Lung protective ventilation such as the ARDSnet low tidal volumes strategy can reduce mortality in ARDS patients. The knowledge that an essential therapy such as mechanical ventilation on the intensive care influences patient outcome has given rise to the re-evaluation of current ventilation practices. This review addresses the current state of lung protective strategies and their physiological rationale. Latest knowledge on the instigation and progression of lung injury by mechanical ventilation is explored, particularly the interaction between ventilation and the inflammatory response occurring in an ARDS lung. Furthermore, the role of tidal volume, PEEP, recruitment manoeuvres and surfactant on lung injury is discussed. Finally, we discuss results from clinical studies on mechanical ventilation and elucidate these results with data acquired in experimental studies. Guidelines for future strategies and/or investigations are presented.
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