IRCT20230819059181N1 IRCT 2023-09-10 Ardabil University of Medical Sciences Investigating the effect of dexmedetomidine in restless in orthopedic patients candidates for general anesthesia in recovery Investigating the effect of dexmedetomidine in agitation in elective upper limb orthopedic patients candidates for general anesthesia in recovery 2023-12-22 anticipated 150 Complete https://irct.ir/trial/72192 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Prevention, Randomization description: Patients will be randomly divided into two groups receiving dexmedetomidine and placebo. Simple randomization and lottery will be used for randomization. Cards and envelopes are prepared according to the number of the research sample and an equal number of names of groups A and B are recorded on each card. The cards are placed inside the letter envelopes. The lid of the letter envelopes is glued and placed inside a box. At the start of the study, according to the order of entry of the participants, the patient will take one of the envelopes from the box and will be placed in one of the two study groups based on the group written on the card, Blinding description: Patients in the intervention group will use dexmedetomidine and the control group will use placebo, similar to the intervention group. Patients and doctors who evaluate the outcome will be unaware of the type of drug received. 3 Agitation. Intervention 1: Intervention group: Will receive dexmedetomidine (Exir Company) with a dose of 0.4 µg per kilogram from induction of anesthesia to extubation. Intervention 2: Control group: A placebo will be used, similar to the intervention group. 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 The results are not yet known