• Ryan E Childers, J Lucas Williams, and Amnon Sonnenberg.
• Division of Gastroenterology and Hepatology, Portland Veterans Affairs Medical Center and the Oregon Health & Science University, Portland, Oregon, USA.
• Gastrointest. Endosc. 2015 Sep 1; 82 (3): 503-11.

BackgroundSedative and analgesic medications have been used routinely for decades to provide patient comfort, reduce procedure time, and improve examination quality during colonoscopy.ObjectiveTo evaluate trends of sedation during colonoscopy in the United States.SettingEndoscopic data repository of U.S. gastroenterology practices (Clinical Outcomes Research Initiative, CORI database from 2000 until 2013).PatientsThe study population was made up of patients undergoing a total of 1,385,436 colonoscopies.InterventionsColonoscopy without any intervention or with mucosal biopsy, polypectomy, various means of hemostasis, luminal dilation, stent placement, or ablation.Main Outcome MeasurementsDose of midazolam, diazepam, fentanyl, meperidine, diphenhydramine, promethazine, and propofol used for sedation during colonoscopy.ResultsDuring the past 14 years, midazolam, fentanyl, and propofol have become the most commonly used sedatives for colonoscopy. Except for benzodiazepines, which were dosed higher in women than men, equal doses of sedation were given to female and male patients. White patients were given higher doses than other ethnic groups undergoing sedation for colonoscopy. Except for histamine-1 receptor antagonists, all sedative medications were given at lower doses to patients with increasing age. The dose of sedatives was higher in colonoscopies associated with procedural interventions or of long duration.LimitationsPotential for incomplete or incorrect documentation in the database.ConclusionThe findings reflect on colonoscopy practice in the United States during the last 14 years and provide an incentive for future research on how sex and ethnicity influence sedation practices.Published by Elsevier Inc.

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