• Anesthesia and analgesia · Apr 2022

    Review

    Patient-Controlled Sedation Versus Clinician-Administered Sedation for Endoscopic Retrograde Cholangiopancreatography: A Systematic Review.

    • Rex Wan-Hin Hui and Choy-May Leung.
    • From the Department of Medicine, the University of Hong Kong, Pokfulam, Hong Kong.
    • Anesth. Analg. 2022 Apr 1; 134 (4): 765772765-772.

    AbstractPatient-controlled sedation (PCS) has been explored as a sedation method in endoscopic retrograde cholangiopancreatography (ERCP), yet a comprehensive review article on this topic is lacking. We performed a systematic review to compare PCS against clinician-administered sedation. The primary objectives are to compare the sedative dosage used and the sedation depth, while secondary objectives are to compare sedation failure rates, clinician intervention rates, and patient satisfaction. A systematic literature search was conducted on MEDLINE, EMBASE, and the Cochrane Library Database using the terms "ERCP," "Sedation," "Patient-controlled," and related terms. Randomized controlled trials comparing PCS against clinician-administered sedation in adults undergoing ERCP were included. Articles without English full texts were excluded. Studies were reviewed by 2 independent reviewers. The Cochrane Risk of Bias tool was used for quality assessment of individual included trials. This systematic review is registered in the International Prospective Register of Systematic Reviews (CRD42020198647). A total of 2619 articles were identified from the literature search. A total of 2615 articles were excluded based on the exclusion criteria. Four articles (comprised of 4 independent trials involving 425 patients) were included in analysis. When compared with clinician-administered sedation, PCS in ERCP may lead to lower propofol dosage used and lower sedation depth. The sedation failure rates appear to be higher in PCS, whereas lower rates of airway maneuvers are required. No significant difference was observable for patient satisfaction rates between PCS and clinician-administered sedation. The included studies demonstrated unclear to high risk of bias, particularly in randomization, incomplete outcome data, and outcome measurement. PCS appears to be a feasible option for sedation in ERCP. Nonetheless, large-scale, high-quality trials will be required before PCS can be regularly implemented in ERCP.Copyright © 2021 International Anesthesia Research Society.

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