Minimizing atelectasis formation during general anaesthesia—oxygen washout is a non-essential supplement to PEEP Article Swipe

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Atelectasis Medicine Oxygenation Anesthesia Oxygenation index Nitrogen washout Interquartile range Washout Positive end-expiratory pressure Functional residual capacity Lung Surgery Lung volumes Mechanical ventilation Internal medicine

Erland Östberg , Udo Auner , Mats Enlund , Henrik Zetterström , Lennart Edmark ·

YOU? · · 2017 · Open Access · · DOI: https://doi.org/10.1080/03009734.2017.1294635 · OA: W2607653756

Although the oxygen washout restored a low pulmonary oxygen level within minutes, it did not further reduce atelectasis size. Both study groups had small atelectasis and good oxygenation. These results suggest that a moderate PEEP alone is sufficient to minimize atelectasis and maintain oxygenation in healthy patients.