Abstract:BACKGROUND: This study evaluated whether the oxygen reserve index(ORi) decreases earlier than percutaneous oxygen saturation(SpO2) and provides added warning time in morbidly obese patients.METHODS: After obtaining the approval of the Hospital Ethics Committee, this prospective, observational study included written informed consent from 51 patients with 1940m/kg2 undergoing an elective surgical requiring endotracheal intubation.In addition to standard monitors, an ORi sensor was placed and baseline values were… Show more
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