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The aim of this randomized, double-blind, placebo-controlled study was to evaluate the effect of ephedrine pretreatment on the intensity of rocuronium injection pain when rocuronium was applied by timing principle and also to compare this effect with lidocaine and placebo. 120 American Society of Anesthesiology risk score I-II patients scheduled for elective surgery under general anesthesia were randomized into three groups to receive either 70 μg/kg ephedrine (ephedrine group, n = 40) or 0.5 mg/kg lidocaine (lidocaine group, n = 40) or 5 ml NaCl 0.9% (placebo group, n = 40) as pretreatment. Thirty seconds after pretreatment drugs, rocuronium 0.6 mg/kg was administered by the timing principle and rocuronium injection pain scores were recorded. Twenty seconds after rocuronium administration, anesthesia was induced with thiopental and the patient's trachea was intubated. Hemodynamic parameters and adverse effects were recorded. Results: The overall frequency of having pain was 82.5, 52.5 and 22.5% in placebo, ephedrine and lidocaine groups, respectively. Although the frequency of mild and moderate pain scores was higher in the ephedrine group than in the lidocaine group, this difference was not statistically significant (p = 0.032 and p = 0.001, respectively). Although not as effective as lidocaine 0.5 mg/kg, 70 μg/kg ephedrine pretreatment was able to alleviate rocuronium injection pain when rocuronium was applied by timing principle. Copyright © 2012 S. Karger AG, Basel.

Citation

Zeynep Nur Akcaboy, Erkan Yavuz Akcaboy, Ozlem Balkız Soyal, Guldane Turhan, Nermin Gogus. Can ephedrine pretreatment be effective in alleviating rocuronium injection pain? Medical principles and practice : international journal of the Kuwait University, Health Science Centre. 2012;21(4):323-7

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PMID: 22398821

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