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Canadian Journal of Anesthesia 50:1052-1055 (2003)
© Canadian Anesthesiologists' Society, 2003
Cardiothoracic Anesthesia, Respiration and Airway

Design of oxygen delivery systems influences both effectiveness and comfort in adult volunteers

[Le modèle des systèmes de distribution d’oxygène influence l’efficacité et le confort chez des volontaires adultes]

Hideaki Sasaki, MD, Michiaki Yamakage, MD PhD, Sohshi Iwasaki, MD, Masahito Mizuuchi, MD and Akiyoshi Namiki, MD PhD

From the Department of Anesthesiology, Sapporo Medical University School of Medicine, Sapporo, Hokkaido, Japan.

Address correspondence to: Dr. Michiaki Yamakage, Department of Anesthesiology, Sapporo Medical University School of Medicine, South 1, West 16, Chuo-ku, Sapporo, Hokkaido 060-8543, Japan. Phone: 81-11-611-2111, ext. 3568; Fax: 81-11-631-9683; E-mail: yamakage{at}sapmed.ac.jp

Purpose: The aim of this investigation was to compare the efficiency of four oxygen delivery systems in healthy volunteers.

Methods: The subjects received oxygen at flow rates of 3.0 and 5.0 L•min-1 via a face mask, nasal cannulae, and two kinds of new open- and microphone-type oxygen delivery systems (OxyArmTM and Mike Cannula) in a random sequence, and values of partial arterial pressures of oxygen (PaO2) were measured. The comfort of these devices was also evaluated.

Results: A significant, oxygen flow dependent increase in PaO2 was obtained with all devices tested. PaO2 was significantly higher when the face mask was used [217.5 ± 19.9 (mean ± SD) mmHg at 5 L•min-1) than when the Mike Cannula was used (177.5 ± 14.8 mmHg). The face mask was the least comfortable and OxyArm was the most comfortable among the devices tested.

Conclusion: The results of our evaluation suggest that comfort and clinical performance should be considered when using oxygen delivery devices for patients who require oxygen supplementation.






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Copyright © 2003 by the Canadian Anesthesiologists' Society.