Effective doses of alfentanil combined with propofol for gastroscopy in patients of different ages under Narcotrend monitoring: a prospective dose-finding study utilizing the up-and-down sequential allocation method

Abstract Background Painless gastroscopy is preferred by both patients and physicians, as it minimizes discomfort during the procedure. Alfentanil, a short-acting opioid analgesic, possesses pharmacological properties that make it suitable for inducing analgesia during gastroscopy. However, research...

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Bibliographic Details

Published in:	Perioperative Medicine
Main Authors:	Lili Jiang, Zhe Peng, Yuhui Deng, Zebang Qin, Jianxia Li, Jinping Huang, Zaisheng Qin
Format:	Article
Language:	English
Published:	BMC 2025-09-01
Subjects:	Alfentanil Narcotrend Propofol Gastroscopy Median effective dose
Online Access:	https://doi.org/10.1186/s13741-025-00579-9