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Anesthesia
Pre-oxygenation more effective in head-up than supine position in obesity
July 25th, 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...
Source: Health & Medicine Week (2005-07-25)
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