• K-C Hung, C-W Chen, V C-H Lin, H-C Weng, and S-W Hsieh.
• Department of Anesthesiology, E-DA Hospital, Kaohsiung County, Taiwan.
• Anaesthesia. 2010 Jan 1;65(1):4-7.

AbstractWe performed a randomised, double-blind study to evaluate the effect of the pre-emptive use of minimal dose intravenous fentanyl (25 microg) on the incidence of cough caused by a larger bolus of intravenous fentanyl. Six hundred patients were randomly assigned to one of three groups to receive either 0.5 ml saline 0.9% 1 min before administration of fentanyl 150 microg (3 ml), or pre-emptive fentanyl 25 microg (0.5 ml) 1 min before administration of fentanyl 125 microg or 150 microg. The incidence of fentanyl-induced cough was significantly lower in both pre-emptive groups (7 (3.5%) for 125 microgfentanyl and 15 (7.5%) for 150 microg fentanyl) than in the saline group (37 (18.5%); p = 0.001). We conclude that pre-emptive use of fentanyl 25 microg, administered 1 min before bolus injection of fentanyl (125 or 150 microg), can effectively suppress fentanyl-induced cough.

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