Anesthesia

Pre-oxygenation more effective in head-up than supine position in obesity

Published in Medical Devices and Surgical Technology Week, July 31st, 2005

Pre-oxygenation is more effective in the 25 degrees head-up position than in the supine position in severely obese patients.

"Class III obese patients have altered respiratory mechanics, which are further impaired in the supine position. The authors explored the hypothesis that preoxygenation in the 250 head-up position allows a greater safety margin for induction of anesthesia than the supine position.

"A randomized controlled trial measured oxygen saturation and the desaturation safety period after 3 minutes of pre-oxygenation in 42 consecutive (male:female 13:29) severely obese (body mass index>40 kg/m²) patients who were undergoing...

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Source: Medical Devices and Surgical Technology Week (2005-07-31)

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