Fig. 1From: Feasibility and safety of deep sedation with propofol and remifentanil in spontaneous breathing during endoscopic retrograde cholangiopancreatography: an observational prospective studyIntraoperative BMI-SpO2 relationship. In 88.5% of our patients with BMI > 30 the intraoperative SpO2 was found to be lower than that recorded in normal or underweight patients.Back to article page