• Gastrointest. Endosc. · Jan 2021

    Randomized Controlled Trial

    Propofol compared with bolus and titrated midazolam for sedation in outpatient colonoscopy: a prospective randomized double-blind study.

    • Dae Bum Kim, Joon Sung Kim, Cheal Wung Huh, Dae Won Ma, Jeong-Seon Ji, Byung-Wook Kim, and Hwang Choi.
    • Division of Gastroenterology, Department of Internal Medicine, St Vincent's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
    • Gastrointest. Endosc. 2021 Jan 1; 93 (1): 201-208.

    Background And AimsThe safest and most efficient method of sedation for outpatient colonoscopy remains unclear. This study aimed to compare the efficiency and safety of bolus administration of midazolam compared with titrated administration and propofol administration for patients undergoing outpatient colonoscopy.MethodsWe randomly divided patients undergoing colonoscopy into the propofol group, bolus midazolam group, and titrated midazolam group. We compared total procedure time, induction time, recovery time, and discharge time among the 3 groups. We also compared patient satisfaction and the incidence of adverse events.ResultsIn total, 267 patients (89 in each study group) were enrolled during the study period. Patients in the propofol group had a shorter total procedure time (39.5 vs 59.4 vs 58.1 minutes; P < .001), induction time (4.6 vs 6.3 vs 7.6 minutes; P < .001), recovery time (11.5 vs 29.5 vs 29.2 minutes; P < .001), and discharge time (20.6 vs 34.9 vs 34.7 minutes; P < .001) than patients in the bolus midazolam group and titrated midazolam group. Patients in the propofol group reported higher degrees of satisfaction than patients in the bolus or titrated midazolam plus meperidine groups (9.9 vs 9.6 vs 9.6 [P = .007] and 4.9 vs 4.7 vs 4.8 [P = .008], respectively). Adverse events were not significantly different between groups.ConclusionsIn this randomized trial, propofol was superior to bolus or titrated midazolam in terms of endoscopy unit efficiency and patient satisfaction during outpatient colonoscopy. (Clinical trial registration number: KCT0002805.).Copyright © 2021 American Society for Gastrointestinal Endoscopy. Published by Elsevier Inc. All rights reserved.

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