The combination of a heat and moisture exchanger and a Booster: a clinical and bacteriological evaluation over 96 h

Intensive Care Medicine
L ThomachotC Martin

Abstract

To determine whether the combination with a new device (Booster ) for active humidification improves the efficacy of a hydrophobic heat and moisture exchanger (HME). Prospective, interventional study in the ICU of a university hospital. Consecutive patients requiring controlled mechanical ventilation Patients were ventilated with a HME, and a Booster was added for 96 h to the ventilatory circuit. During the inspiration phase the following factors were measured: peak and mean airway pressures, maximal (beginning of inspiration), minimal (end of inspiration), and mean values of temperature of inspired gases, and relative and absolute humidity of inspired gases. Microbiological samples were obtained from the Booster, the ventilator side of the HME, and the tracheal secretions on days 1 and 4. Minimal and mean temperatures were increased as soon as the Booster was used and this increase was maintained for 96 h until the Booster was withdrawn. Then the temperature returned to baseline values. Absolute humidity values followed the same course. There was also some indirect evidence of very little, if any, changes in the HME resistance. The ventilatory side of the HMEs remained sterile in each patient, and the Booster was colonized by ...Continue Reading

Citations

Oct 8, 2004·Critical Care : the Official Journal of the Critical Care Forum·Davide ChiumelloMassimo Chiaranda
Aug 5, 2014·BioMed Research International·Haitham S Al Ashry, Ariel M Modrykamien
Jan 12, 2016·Multidisciplinary Respiratory Medicine·Jeanette Janaina Jaber LucatoRenato Fraga Righetti
Nov 16, 2016·Anesthesiology and Pain Medicine·Mayra Goncalves MeneguetiAltacilio Aparecido Nunes

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