Clinical review: Humidifiers during non-invasive ventilation - key topics and practical implications
Inadequate humidification during NIV has been shown to impair i the anatomy and function of nasal mucosa. The resulting symptoms may negatively impact on the adherence of patients to ventilatory treatment especially for chronic application.Several parameters, mostly concerning technical aspects of NIV, are determinants of inefficient humidification during NIV.
Factors known to affect airway humidity during NIV include inspiratory flow rates, presence of mouth leak, type of ventilator and type of humidifier used. The correct application of a humidification system may prevent the effects of NIV-induced drying of the airway.This brief review aims to analyse the consequences of airway dryness in patients receiving NIV and the technical tools necessary to guarantee adequate humidification during ventilatory treatment.
In addition, the authors underline open questions concerning the timing of application of humidification for acute or chronic settings, the choice and the type of humidification device, the interaction of the humidifier with the underlying disease, and the equipment for NIV and the environment.
Author: Antonio RodriguezRaffaele ScalaArie SorokskyAhmed BaHammamAlan de KlerkArschang ValipourDavide ChiumelloClaude MartinAnne E Holland
Credits/Source: Critical Care 2011, 16:203
Published on: 2012-02-08
Copyright by the authors listed above - made available via BioMedCentral (Open Access). Please
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