Comparison of the effects of heat and moisture exchangers and heated humidifiers on ventilation and gas exchange during non-invasive ventilation

To compare the short-term effects of a heat and moisture exchanger (HME) and a heated humidifier (HH) during non-invasive ventilation (NIV). Prospective, clinical investigation. Intensive care unit of a university hospital. Twenty-four patients with acute respiratory failure (ARF). Each patient was...

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Bibliographic Details
Published in:Intensive care medicine 2002-11, Vol.28 (11), p.1590-1594
Main Authors: JABER, Samir, CHANQUES, Gérald, MATECKI, Stefan, RAMONATXO, Michèle, SOUCHE, Bruno, PERRIGAULT, Pierre-Francois, ELEDJAM, Jean-Jacques
Format: Article
Language:English
Subjects:
Acute Disease
Adult
Aged
Aged, 80 and over
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Biological and medical sciences
Emergency and intensive respiratory care
Hot Temperature
Humans
Humidity
Intensive care medicine
Intensive Care Units
Medical sciences
Middle Aged
Prospective Studies
Pulmonary Gas Exchange
Pulmonary Ventilation
Regression Analysis
Respiration, Artificial - methods
Respiratory Dead Space
Respiratory Insufficiency - physiopathology
Respiratory Insufficiency - therapy
Statistics, Nonparametric
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Summary:To compare the short-term effects of a heat and moisture exchanger (HME) and a heated humidifier (HH) during non-invasive ventilation (NIV). Prospective, clinical investigation. Intensive care unit of a university hospital. Twenty-four patients with acute respiratory failure (ARF). Each patient was studied with a HME and a HH in a random order during two consecutive 20min periods of NIV. Respiratory rate (RR), expiratory tidal volume (VTe) and expiratory minute ventilation (VE) were measured during the last 5 min of each period and blood gases were measured. Mean pressure support and positive end-expiratory pressure levels were, respectively, 15+/-4 and 6+/-2 cmH(2)O. VE was significantly greater with HME than with HH (14.8+/-4.8 vs 13.2+/-4.3 l/min; p
ISSN:0342-4642
1432-1238
DOI:10.1007/s00134-002-1441-0