Effect of Position (Semirecumbent Versus Supine) on Postoperative Oxygenation in Markedly Obese Subjects
- 1 January 1976
- journal article
- clinical trial
- Published by Wolters Kluwer Health in Anesthesia & Analgesia
- Vol. 55 (1) , 37???41-41
- https://doi.org/10.1213/00000539-197601000-00008
Abstract
In 22 markedly obese, otherwise healthy, women studied postoperatively on each of days 1 through 3 after intra-abdominal operation, the effect of position change on arterial oxygenation was assessed. There was a statistically significant decrease in Pao2, an increase in A-aDo2 and a simultaneous modest reduction in Paco2 with the assumption of the supine position on postoperative days 1 and 2, but no positional difference demonstrable in any studied variable by day 3. This report suggests that during the first 48 hours after abdominal surgery in obese patients, assumption and maintenance of the semirecumbent posture is a valuable therapeutic modality to improve arterial oxygenation.Keywords
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