Author: Bein, Thomas; Grasso, Salvatore; Moerer, Onnen; Quintel, Michael; Guerin, Claude; Deja, Maria; Brondani, Anita; Mehta, Sangeeta
Title: The standard of care of patients with ARDS: ventilatory settings and rescue therapies for refractory hypoxemia Document date: 2016_4_4
ID: krpg9u1u_17
Snippet: Heating and humidifying the inspiratory gas with heated humidifiers or heat and moisture exchangers compensates for the bypassed humidification/heating mechanisms and prevents associated complications [26] . Heat and moisture exchangers are widely used because of low cost, simple handling, and condensate elimination from the breathing circuit. However, they increase dead space and airway resistance, as well as work of breathing during assisted ve.....
Document: Heating and humidifying the inspiratory gas with heated humidifiers or heat and moisture exchangers compensates for the bypassed humidification/heating mechanisms and prevents associated complications [26] . Heat and moisture exchangers are widely used because of low cost, simple handling, and condensate elimination from the breathing circuit. However, they increase dead space and airway resistance, as well as work of breathing during assisted ventilation with the risk of hypercapnia [27] . In ARDS patients, heated humidifiers but not heat and moisture exchangers can safely reduce PaCO 2 without changing ventilator settings [28] . In 17 acute lung injury (ALI)/ARDS patients V T was significantly reduced using heated humidifiers [29] . These findings question the use of heat and moisture exchangers in ARDS patients, where the primary target is to provide the optimum lung-protective ventilation.
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