Can continuous infusion be a better choice than patient‐controlled sedation for colonoscopy during monitored anaesthesia care?

Intravenous remifentanil and propofol for gastroscopy

“…Topical anesthesia of the throat has also been applied frequently, but its residual effect can cause discomfort in the pharynx for several hours after the gastroscopy. Anesthetic techniques that can be rapidly performed and recovered without compromising the patient's safety and comfort are therefore desirable [1].…”

“…Patients were asked to evaluate their baseline level of cognition using the Digit-Symbol Substitution Test (DSST) score [1]. That is, patients were asked to fast scan 110 digits and substitute the digits for designated symbols within 90 seconds.…”