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Study aim
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Comparison of the effect of lidocaine and granisetron on nausea and vomiting after laparoscopic cholecystectomy
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Design
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Clinical trial with control group, with parallel groups, double-blind, randomized, phase 3 on 120 patients. Random allocation of samples to study groups is performed by block randomization method and by using R statistical software.
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Settings and conduct
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This double-blind clinical trial study will be performed on 120 patients undergoing laparoscopic cholecystectomy (in three groups of intervention 1, intervention 2, and control) in Ayatollah Mousavi Hospital in Zanjan. Random allocation of samples is perform by block method and using statistical software.Visual analog scale (VAS), Rhodes questionnaire and demographic information questionnaire will be used to assess the incidence and severity of postoperative nausea and vomiting.Questionnaires are completed by the researcher during the operation and at certain hours (recovery, 6, 12 and 24 hours after the operation).
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Participants/Inclusion and exclusion criteria
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Inclusion criteria: Age>18 years, American Society of Anesthesiologists Class (ASA Class) I & II, No history of motion sickness, No history of drug allergy, Laparoscopic cholecystectomy under general anesthesia, Body Mass Index<30, Non-smoking, Not receiving anti-nausea medication in the last 24 hours
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Intervention groups
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Patients in intervention group 1, at the end of the surgery (after discontinuation of anesthetic drugs) and before extubation, receiving 1.5 mg/kg of lidocain 2% (manufactured by Caspian Tamin Company) intravenously.Patients in intervention group 2, at the end of the surgery (after discontinuation of anesthetic drugs) and before extubation, receiving 3 mg of Granisetron (manufactured by Caspian Tamin Company) intravenously.Patients in control group dosn't receive medication.
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Main outcome variables
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Postoperative nausea and vomiting