• J Anaesthesiol Clin Pharmacol · Jan 2016

    Comparative study evaluating efficacy of sufentanil versus midazolam in preventing myoclonic movements following etomidate.

    • Mohammad Alipour, Masoumeh Tabari, and Azadeh Mokhtari Azad.
    • Department of Anesthesiology, Ghaem Hospital, Mashhad University of Medical Sciences, Mashhad, Iran.
    • J Anaesthesiol Clin Pharmacol. 2016 Jan 1; 32 (1): 29-32.

    Background And AimsMyoclonus is a major side-effect following etomidate injection requiring use of medical intervention.Material And MethodsIn this double-blinded clinical trial, 50 consecutive patients, randomly received sufentanil 0.2 μg/kg or midazolam 0.015 mg/kg, 90 s before induction of anesthesia with etomidate (0.3 mg/kg). Then, the patients were monitored for any myoclonic movements during anesthesia.ResultsThe incidence of myoclonus was 28% in the sufentanil group and 84% in the midazolam group. The frequency and intensity of myoclonus were significantly higher in the midazolam group, compared to the sufentanil group (P < 0.001). Myoclonus duration in the sufentanil and midazolam groups were 5.8 ± 13.2 and 69 ± 47.8 s, respectively (P < 0.0010).ConclusionThe frequency, intensity and duration of myoclonus in the midazolam group, were significantly more prevalent than the sufentanil group.

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