Clinical review: humidifiers during non-invasive ventilation--key topics and practical implications.

Antonio M. Esquinas Rodriguez, Raffaele Scala, Arie Soroksky, Ahmed BaHammam, Alan de Klerk, Arschang Valipour, Davide Chiumello, Claude Martin, Anne E. Holland

Research output: Contribution to journalArticle

Abstract

Inadequate gas conditioning during non-invasive ventilation (NIV) can impair the anatomy and function of nasal mucosa. The resulting symptoms may have a negative effect on patients' adherence to ventilatory treatment, especially for chronic use. Several parameters, mostly technical aspects of NIV, contribute to inefficient gas conditioning. Factors affecting airway humidity during NIV include inspiratory flow, inspiratory oxygen fraction, leaks, type of ventilator, interface used to deliver NIV, temperature and pressure of inhaled gas, and type of humidifier. The correct application of a humidification system may avoid the effects of NIV-induced drying of the airway. This brief review analyses the consequences of airway dryness in patients receiving NIV and the technical tools necessary to guarantee adequate gas conditioning during ventilatory treatment. Open questions remain about the timing of gas conditioning for acute or chronic settings, the choice and type of humidification device, the interaction between the humidifier and the underlying disease, and the effects of individual humidification systems on delivered humidity.

Original languageEnglish
Pages (from-to)203
Number of pages1
JournalCritical Care
Volume16
Issue number1
Publication statusPublished - 2012

ASJC Scopus subject areas

  • Medicine(all)

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    Esquinas Rodriguez, A. M., Scala, R., Soroksky, A., BaHammam, A., de Klerk, A., Valipour, A., Chiumello, D., Martin, C., & Holland, A. E. (2012). Clinical review: humidifiers during non-invasive ventilation--key topics and practical implications. Critical Care, 16(1), 203.