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Anesthetic management with eptazocine hydrobromide in patients receiving long-term antipsychotic medication

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Abstract

We evaluated the usefulness of eptazocine hydrobromide as an adjuvant in patients receiving antipsychotics for long periods. Patients anesthetized with enflurane alone (enflurane group, n=11), were compared with those anesthetized with enflurane and eptazocine hydrobromide 1 mg·kg−1 (eptazocine group, n=10). The mean daily dose of the antipsychotics, converted into the amount of chlorpromazine, was 345 mg in the eptazocine group and 366 mg in the enflurane group. The duration of antipsychotic medication was 14 years in the eptazocine group and 17 years in the enflurane group. The maintenance concentration of enflurane was 0.37% in the eptazocine group and 0.67% in the enflurane group, being significantly lower in the former group. The interval between the termination of operation and removal of the endotracheal tube was slightly shorter in the eptazocine group. The discriminant function of circulatory stability obtained from the measurement of systolic blood pressure and heart rate during anesthesia in the eptazocine group was 481, being significantly lower than 539 in the enflurane group. Both absolute and relative instabilities of systolic blood pressure and heart rate were slightly smaller in the eptazocine group. No side effects associated with eptazocine hydrobromide administration were observed. These results suggest the safety and usefulness of this analgesic in the anesthetic management of patients receiving long-term antipsychotic medication.

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Authors and Affiliations

  1. Department of Anesthesiology, National Maizuru Hospital, Maizuru, Japan

    Toshiki Mizobe, Yohko Oda, Takashi Natsuyama & Masao Miyazaki

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  1. Toshiki Mizobe
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  2. Yohko Oda
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  3. Takashi Natsuyama
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  4. Masao Miyazaki
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Mizobe, T., Oda, Y., Natsuyama, T. et al. Anesthetic management with eptazocine hydrobromide in patients receiving long-term antipsychotic medication. J Anesth 6, 21–27 (1992). https://doi.org/10.1007/s0054020060021

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  • DOI: https://doi.org/10.1007/s0054020060021

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