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Preoxygenation with deep breathing plus pressure support and positive end-expiratory pressure in obese patients and ultrasound assessment of gastric distension: a randomized controlled trial

Abstract Background It is known that anatomical and physiological differences in obese patients make preoxygenation difficult and limit its success. This study aimed to investigate the effects of adding pressure support ventilation (PSV) and positive end expiratory pressure (PEEP...