IRCT20100527004041N15 IRCT 2018-07-12 Tabriz University of Medical Sciences cardiovascular effects of epinephrine in pediatric caudal block Cardiovascular effects of adding epinephrine to local anesthetics in children under the caudal epidural block for subumbilical surgery 2018-03-21 anticipated 60 Complete https://irct.ir/trial/30716 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Accidental randomization to intervention groups and control groups, Patients, the person responsible for recording vital signs and the person analyzing the data will be unaware of the addition or not of an epinephrine, Blinding description: Pediatric Anesthesia Fellowship and Experienced Anesthetist Nurse will be responsible for measuring these symptoms. Patients are the person responsible for recording vital signs and the person analyzing the data are unaware of whether or not to perform airway suction. 3 Patients undergo subumblical surgery. Intervention group: A group of children aged from one to six years undergoing subumblical surgery which is used to treat post-operative anesthesia of the caudal block, and the epinephrine agent is given as an add-on to local anesthetic drugs.. Yes - There is a plan to make this available What will be shared: We are going to publish all in paper When: In the end of study To whom: Every one who read the paper Conditions: If the data is needed to be used for further analysis, only the study designer has access to the codes and patients information. If the data is going to be used in another study, a proposal (in which the goals of study are established) should be registered and ethics code must be received. Where to obtain: From the paper How to obtain: No need for special process Comments: