Article (Scientific journals)
Comparative evaluation of three heat and moisture exchangers during short-term postoperative mechanical ventilation
Sottiaux, Thierry; Mignolet, Ghislaine; Damas, Pierre et al.
1993In CHEST, 104 (1), p. 220-224
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Abstract :
[en] This study compared performance of three heat and moisture exchangers (HME) during short-term postoperative mechanical ventilation. Temperature and absolute humidity (AH) were measured at various points of the ventilatory circuit. There was no statistical difference between the groups, regarding ambient and body To, body weight, fraction of inspired oxygen, tidal volume, and respiratory rate. Only the hygroscopic HME (groups 2 and 3) provide adequate conditioning with regard to AH and To of the inspiratory gases. The performance of hydrophobic HME (group 1) was inferior and appears to be unsatisfactory. Indirect evaluation (variations of inspiratory gases and tracheal temperatures, AH of the expired gases) confirmed the superiority of the hygroscopic HME. These data suggest that humidification of inspiratory gases with a hygroscopic HME is a defensible practice during short-term postoperative mechanical ventilation. Performance of hydrophobic HME may be weak and can expose the patient to an unacceptable risk of endotracheal tube occlusion.
Disciplines :
Anesthesia & intensive care
Author, co-author :
Sottiaux, Thierry
Mignolet, Ghislaine ;  Centre Hospitalier Universitaire de Liège - CHU > Médecine de l'appareil locomoteur
Damas, Pierre ;  Université de Liège - ULiège > Soins intensifs
Lamy, Maurice ;  Université de Liège - ULiège > Département des sciences cliniques > Anesthésie et réanimation
Language :
English
Title :
Comparative evaluation of three heat and moisture exchangers during short-term postoperative mechanical ventilation
Publication date :
July 1993
Journal title :
CHEST
ISSN :
0012-3692
eISSN :
1931-3543
Publisher :
Elsevier, United States - Illinois
Volume :
104
Issue :
1
Pages :
220-224
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 25 March 2009

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