• A Yoshino, K Nishimura, K Tatsumi, M Okawa, T Hakoda, J Hirashima, S Marumo, Y Furukawa, M Uchiyama, and T Yamamoto.
• Department of Anesthesiology, Nihon University School of Medicine, Tokyo.
• Masui. 1994 Nov 1; 43 (11): 1668-74.

AbstractResedation after general anesthesia induced by midazolam is thought to be not an unusual problem for the anesthetists. We investigated the effect of continuous infusion of flumazenil on the patients who had general anesthesia using midazolam as an induction agent and had flumazenil for prolonged recovery after procedure. Fourteen of 54 patients were judged as prolonged recovery and were given 0.25 mg of flumazenil. Then, they were randomly divided into the following two groups. In the first group, another 0.25 mg of flumazenil was given 2 hours after the first flumazenil. In the second group, 0.25 mg of flumazenil in 250 ml of lactated Ringer's solution was given continuously for 2 hours after the first flumazenil. All the patients were fully awake after the first flumazenil but one case of resedation occurred in the first group and in none of the patients in the second group. We conclude that continuous infusion of 0.25 mg of flumazenil for 2 hours is effective and makes anesthetist free from anxiety of postoperative resedation by midazolam.

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