• Daniel Külling, Marcello Orlandi, and Werner Inauen.
• Praxis für Gastroenterologie und Endoskopie, Zürich, Switzerland.
• Gastrointest. Endosc. 2007 Sep 1;66(3):443-9.

BackgroundPropofol has been shown to be safe for nonanesthetist use during GI endoscopy. However, published studies involved propofol administration by an additional nurse or used specialized patient monitoring or were carried out in tertiary hospitals.ObjectiveConsidering the downward pressure on reimbursement for endoscopic procedures, we asked how much staff and monitoring is necessary for safe use of propofol.SettingTwo private gastroenterology practices.Patients And DesignA total of 27,061 endoscopic procedures (14,856 EGDs and 12,205 colonoscopies) were prospectively assessed regarding patient characteristics, American Society of Anesthesiologists (ASA) status, dosage of propofol, fall of oxygen saturation below 90%, need to increase nasal oxygen administration above 2 L/min, and need for assisted ventilation.InterventionPropofol was administered by the endoscopy nurse supervised by the endoscopist. Patient monitoring consisted of only pulse oximetry and clinical assessment.ResultsThe mean propofol dose for EGD was 161 mg (range 50-650 mg). During colonoscopy patients received a mean propofol dose of 116 mg (30-500 mg) in addition to 25 mg of meperidine. Oxygen saturation fell below 90% (lowest 74%) in 623 procedures (2.3%), normalizing within less than 30 seconds by stimulating the patient and increasing the nasal oxygen flow to 4 to 10 L/min. Six patients (ASA III) required mask ventilation for less than 30 seconds. No endotracheal intubation was necessary.LimitationsThere was no further follow-up regarding adverse events after patient discharge from the endoscopy unit.ConclusionsAn endoscopy team, consisting of 1 physician endoscopist and 1 endoscopy nurse, can safely administer propofol sedation for GI endoscopy in a practice setting without additional staff or specialized monitoring.

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