• Yonghong Zhang, Yong Xiang, and Jin Liu.
• Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China 610041.
• J Clin Anesth. 2012 Sep 1;24(6):456-9.

Study ObjectiveTo compare the efficacy of pretreatment with parecoxib and lidocaine to prevent rocuronium injection pain.DesignProspective, randomized, double-blinded study.SettingAcademic medical center.Patients160 adult ASA physical status 1 and 2 patients scheduled for elective surgery.InterventionsPatients were randomly allocated to 4 groups of 40 patients each to receive pretreatment with normal saline (Group C), parecoxib 20 mg (Group P(20)), parecoxib 40 mg (Group P(40)), or lidocaine 40 mg (Group L). All groups underwent venous occlusion for two minutes before rocuronium was injected.MeasurementsPain scores were obtained by a study-blinded observer immediately after the pretreatment.Main ResultsThe frequency of rocuronium injection pain in the saline group (80%) was significantly higher than in Group P(20) (55%), Group P(40) (20%), and Group L (25%) (P < 0.05). The frequency and intensity of rocuronium-induced pain were statistically similar between Group P(40) and Group L. In the parecoxib 40 mg and lidocaine 40 mg groups, the frequency of pain was significantly less than in the parecoxib 20 mg group (P < 0.05).ConclusionPretreatment with parecoxib and lidocaine was effective in reducing the frequency and severity of pain with rocuronium injection whereas pretreatment with parecoxib 40 mg and lidocaine 40 mg were the most effective treatments.Copyright © 2012 Elsevier Inc. All rights reserved.

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