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 on the optimal dosage of alfentanil when
used in combination with propofol for gastroscopy is
