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Majedi MA, Kavehmajd S, Yousefi F, Ahsan B 1. Assistant Professor of Anesthesiology, Department of Anesthesiology, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran. 2. Anesthesiologist, Department of Anesthesiology, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran. 3. Neurosciences Research Center, Kurdistan University of Medical Sciences, Sanandaj, Iran . 4. Associate Professor of Anesthesiology, Department of Anesthesiology, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran, (Corresponding Author) Tel: +98-87-33286113, Email: behzadahsan@gmail.com ABSTRACT Background and Aim: One of the common blocks used in upper extremity surgery is axillary block. The aim of this study was to make a comparision between the effects of dexmedtomedian and fentanyl as adjuvants to lidocain on axillary plexus block. Methods and Materials: This double-blinded clinical terial included 36 patients and was performed in Besat and Kosar Hospitals in Sanandaj in 2017. Patients were randomly divided into two equal groups. Patients in group 1 received 40 cc of lidocaine 1% and normal saline plus 50 μg fentanyl. Group 2 patients received 100 mg of dexmedetomidine plus 40 cc of lidocaine 1% (Matched with group 1). Using SPSS software version 21, data were analyzed by independent sample t-test. Results: There was a significant difference between the two groups in regard to the beginning and quality of the sensory block (p≤0.01) and motor block (p≤0.05). Based on visual analog scale addition of fentanyl to lidocaine at all times had a greater effect on reducing the pain intensity compared to the addition of dexmedetomidine and there was a significant difference between the two groups (p≤0.01). There was no significant difference in the incidence of nausea, vomiting, dizziness and seizure between the two groups. But, the groups showed significant differences in the incidence rates of heart arrhythmias and hypotension (p≤0.01). Conclusion: Comparison between fentanyl and dexmedetomidine showed that addition of fentanyl to lidocaine led to a greater effect on the properties of the axillary plexus block.

Comparision between the effects of dexmedtomedian and fentanyl as adjuvants to lidocain on axillary plexus blockplexus block