IRCT20200402046916N1 IRCT 2020-11-06 Ahvaz University of Medical Sciences Comparison of the effect of Lidocaine and a mixture of Lidocaine and Granisetron on axillary block Comparison of duration of analgesia in Axillary block with Lidocaine and a mixture of Lidocaine and Granistron in patients requiring lower elbow surgery 2018-12-24 anticipated 90 Complete https://irct.ir/trial/51268 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Method: Simple block randomization with block size 4 and allocation ratio 1:1 (One sample was placed in the intervention group and one sample in the control group until sampling was completed) . Balanced Block Randomization method with block size 4 (With random sequence in the block) and one-to-one allocation was used to place patients in the two groups. The randomization unit was individual. Codes assigned to patients in both groups were kept in sealed envelopes and provided to the ward secretary. Patients and health care providers did not know about these codes, Blinding description: Participants and health providers will be blinded to the intervention. Codes assigned to patients in both groups were kept in sealed envelopes and provided to the ward secretary. Patients and health care providers did not know about these codes. 3 Patients require lower elbow surgery. Intervention 1: Intervention group: 5 mg / kg Lidocaine 0.5% is diluted with 0.9% normal saline to 40 cc. After impregnating the syringe with epinephrine, 40 cc of Lidocaine solution and 2 mg of Granistron is injected into patients simultaneously. Axillary block is performed by ultrasonography with linear transducer using short-axis view with in-plane technique. The drugs are manufactured by Caspian Company. Intervention 2: Control group: 5 mg / kg Lidocaine 0.5% is diluted with 0.9% normal saline to 40 cc. After impregnating the syringe with epinephrine, 40 cc of Lidocaine solution is injected. Axillary block is performed by ultrasonography with linear transducer using short-axis view with in-plane technique. The drugs are manufactured by Caspian Company. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is There is no more information.