2013
DOI: 10.4187/respcare.02405
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In Vitro Evaluation of Heat and Moisture Exchangers Designed for Spontaneously Breathing Tracheostomized Patients

Abstract: BACKGROUND: Heat and moisture exchangers (HMEs) are commonly used in chronically tracheostomized spontaneously breathing patients, to condition inhaled air, maintain lower airway function, and minimize the viscosity of secretions. Supplemental oxygen (O 2 ) can be added to most HMEs designed for spontaneously breathing tracheostomized patients. We tested the efficiency of 7 HMEs designed for spontaneously breathing tracheostomized patients, in a normothermic model, at different minute ventilations (V E ) and s… Show more

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Cited by 15 publications
(7 citation statements)
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“…We recommend a simple heat and moisture exchange (HME) filter, which provides adequate humidification and does not generate aerosols. 46 Active water-based humidification might be required if secretions are thick, but their use should be assessed on an individual basis. Nebulisers can improve secretion clearance but require additional handling of ventilator circuits and can waterlog HME filters; they should therefore be used only after careful consideration.…”
Section: Optimal Management After Tracheostomymentioning
confidence: 99%
“…We recommend a simple heat and moisture exchange (HME) filter, which provides adequate humidification and does not generate aerosols. 46 Active water-based humidification might be required if secretions are thick, but their use should be assessed on an individual basis. Nebulisers can improve secretion clearance but require additional handling of ventilator circuits and can waterlog HME filters; they should therefore be used only after careful consideration.…”
Section: Optimal Management After Tracheostomymentioning
confidence: 99%
“…Humidification and removable inner cannulae are routinely used during ventilated and non-ventilated tracheostomy care to prevent tube occlusion from respiratory secretions and reduce the need for suction [42,43]. Commencing immediate postoperative care with a simple heat and moisture exchange (HME) filter (which can be changed every 7 days in a 'dry' circuit) combined with inner tube inspection and change every 24 h appears safe [56]. However, experience from other countries suggests that secretions may become thicker over time and active, water-based humidification may become necessary.…”
Section: Tracheostomy Insertion Procedures For Patients With Covid-19mentioning
confidence: 99%
“…Therefore, when caring for patients with a tracheostomy, health care workers should be alerted to this common limitation and take precautions to minimize risk of viral exposure. 58 The patient's hydration status and need for enteral mucolytic agents should also be assessed to minimize risk of occlusion from tenacious secretions.…”
Section: Humidificationmentioning
confidence: 99%