EFFECTIVENESS OF PREOXYGENATION IN MORBIDLY OBESE PATIENTS
Open Access
- 1 October 1991
- journal article
- research article
- Published by Elsevier in British Journal of Anaesthesia
- Vol. 67 (4) , 464-466
- https://doi.org/10.1093/bja/67.4.464
Abstract
The time taken for the oxygen saturation (SpoJ to decrease to 90%after preoxygenation was studied in six morbidly obese patients and six matched controls of normal weight. During apnoea the obese patients maintained Sp02*gt;90% for 196 (SD 80) s(range55–208 s), compared with 595 (so 142)s (range 430–825 s) in the control group (? <0.001). One patient in the obese group had desaturation before the onset of complete relaxation and tracheal intubation, without complications. Bedside lung function tests were not significantly different between groups and cannot be used as a predictor of the effectiveness of preoxygenation.Keywords
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