IRCT20170101031697N3 IRCT 2019-07-27 Bandare-abbas University of Medical Sciences Comparision the effect of Dexmedetomidine and Ketamin and Pethidin on prevention of shivering during spinal anaesthesia Comparison the effect of Dexmedetomidine and Ketamin and Pethidine on prevention of shivering during spinal anesthesia 2016-03-20 anticipated 100 Complete https://irct.ir/trial/39588 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: After identifying the patients, patients were randomly assigned to the study groups. Randomization was carried out in a sub-unit using statistical software, Blinding description: The pump syringes were prepared by an expert in the anesthetic room and the assistant did not know its content. 3 Effect of Ketamine and Pethidine and Dexmedmotidine on preventing chills during surgery during spinal anesthesia. Intervention 1: Intervention group: Ketamine 0.5 mg/kg. Intervention 2: Intervention group: Pethidine 0.5 mg/kg. Intervention 3: Intervention group: Dexmedetomidine 0.5 micrograms per kilogram. Intervention 4: Control group: Normal saline. Yes - There is a plan to make this available What will be shared: SPSS file When: 5/17/2019 To whom: Researchers and referees Conditions: Obtaining a written permit and mentioning the name in the sources Where to obtain: Dr. Saeed Kashani Sdkashani486@gmail.com How to obtain: Email your request. Comments: