IRCT20200629047948N1 IRCT 2020-06-29 Babol University of Medical Sciences Comparison of the effectiveness of open surgery versus ultrasound guided median nerve dissection with injection of methyl prednisolone acetate in treatment of carpal tunnel syndrome Comparison of the effectiveness of open surgery versus ultrasound guided median nerve dissection with injection of methyl prednisolone acetate in treatment of carpal tunnel syndrome 2020-03-18 anticipated 40 Complete https://irct.ir/trial/49264 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: Samples will be divided into two groups of Control and intervention using Permuted Block Randomization. Number will be selected for allocation concealment by one of the colleagues and by another, that assignment chain is chosen. 2 Carpal tunnel syndrome. Intervention 1: Intervention group: Undergoes open surgery using the Fallen method. Intervention 2: Control group: patient lies prone an wrist sets in supine position. median nerve is visualized by sonographic guidance at wrist area.after local analgesia a 22 gauge needle will be entered from ulnar side of median nerve and carpal ligament starts to be fenestrated. at the end 20 miligram of Bupivacaine with 40 miligram Depomedrol and 3-5 cc normal saline is injected and needle is removed. No - There is not a plan to make this available Justification or reason for not sharing IPD is .