IRCT20230407057839N1 IRCT 2023-12-26 Yazd University of Medical Sciences The effect of using a drain in the surgery of patients with carpal tunnel syndrome Comparing the effectiveness of using a drain with not using a drain during surgery in improving the symptoms and satisfaction of patients with bilateral carpal tunnel syndrome. 2023-05-21 anticipated 35 Complete https://irct.ir/trial/69642 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Randomization method: simple randomization Randomization unit: hand Randomization tool: table of random numbers. N/A carpal tunnel syndrome. Intervention 1: Intervention group: The hand of the patient who is placed under a drain after carpal tunnel syndrome surgery. Intervention 2: Control group: The hand of patients who do not undergo drainage after carpal tunnel syndrome surgery. 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 Due to the lack of completion of the study, no decision has been made in this field yet.