Humidification on the Incidence of Ventilator-Associated Pneumonia: Evidence and Guidelines on the Prevention of VAP for the Use of HME ... View Full Text


Ontology type: schema:Chapter     


Chapter Info

DATE

2011-09-23

AUTHORS

Leonardo Lorente

ABSTRACT

When the upper airway is bypassed, it cannot contribute to the natural heat and moisture exchange process of inspired gases. The medicinal gases are cold and dry; thus, the use of mechanical ventilation with an artificial airway requires conditioning of the inspired gas. Much controversy exists about what constitutes the appropriate humidity level for inspired gas. Some authors have advocated an absolute humidity level of 44 mg of water vapor/l of gas and recommend the use of heated humidifiers (HH) because they can condition inspired gas to this humidity level. However, others authors have advocated absolute humidity levels of 26–32 mg of water vapor/l of gas and recommend the use of a heat and moisture exchanger (HME) because these devices provide these levels. Besides, there is no evidence concerning the influence of the different humidification systems on the incidence of VAP. In addition, the humidification is cheaper with HMEs than HHs. Thus, the decision to use HMEs can generally be considered based cost-saving; however, in patients with the presence of specific circumstances (such as hypothermia, atelectasis, thick secretions or hemoptysis), the use of HHs can be considered. More... »

PAGES

193-198

Book

TITLE

Humidification in the Intensive Care Unit

ISBN

978-3-642-02973-8
978-3-642-02974-5

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-3-642-02974-5_23

DOI

http://dx.doi.org/10.1007/978-3-642-02974-5_23

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1042414391


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