• Chihoko Sato, Satoshi Toraiwa, Takafumi Kobayashi, Naoko Onodera, and Sakiko Nakamura.
• Department of Anesthesia, Osaki City Hospital, Osaki 989-6183.
• Masui. 2012 Sep 1;61(9):1018-22.

BackgroundThere is no reports on influence of intraoperative fentanyl and remifentanil infusion on ability of oral intake after short stay surgery under general anesthesia.MethodsData were collected retrospectively on 497 patients undergoing short stay surgery under general anesthesia with intraoperative remifentanil infusion (R group, n = 273) or without intraoperative remifentanil infusion (NR group, n = 224). The amount of fentanyl used and percentage of patients unable to eat supper were compared.ResultsAmount of fentanyl used in patients unable to eat supper were significantly higher than in patients able to eat supper in both NR and R groups. There is no difference in the percentage of patients unable to take supper between group NR and R. Total amount of fentanyl used was significantly lower in group R than in group NR.ConclusionsWith or without the use of remifentanil, greater the amount of fentanyl used, greater the percentage of patients unable to eat. Amount of fentanyl used in R group was significantly less than in group NR; however the difference in percentage of patients unable to eat supper was not observed.

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