IRCT2017051414049N5 IRCT 2017-10-05 Vice chancellor for research, Jahrom University of Medical Sciences the Influence of sound therapy on signs variations of hemodynamic in upper-body orthopedic patients during general anesthesia Clinical trial on the influence of sound therapy on signs variations of hemodynamic orthopedic patients. 2017-09-23 anticipated 72 Complete https://irct.ir/trial/13754 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive, Other design features: In this study sampling process is carried out through tossing coin in order to divide them into two groups: Control group and Intervention group Double blind method has been used in this study so that the 1- The volunteer and 2- The person who records hemodynamic sign are not aware of measurement methods in intervention and control group. about the way people are put in intervention,control group. N/A hemodynamic changes after sound therapy. Intervention 1: Intervention group: intervention includes using headphone and playing sound. by using headphone, comforting sound of nature such as birds, river, waterfall sounds will be played for each patients and then their hemodynamic signs will be recorded. Intervention 2: In the Control group after entering the operation, Hemodynamic signs would be recorded without any further action.