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IRCT20171230038149N1 IRCT 2018-07-06 Ahvaz University of Medical Sciences Effects of infrared light and manual therapy The additional effects of infrared light to manual therapy in people with Muscle tension dysphonia 2017-12-22 anticipated 20 Complete https://irct.ir/trial/28835 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Factorial, Purpose: Treatment, Randomization description: A simple random method, It is written on 10 A4 paper, letter A (to determine the manual treatment group), and 10 other A4 papers B (to determine the manual treatment group and Low-level Laser therapy (LLLT), and each of the references is asked to select one of these two Pick up, Blinding description: Before manual therapy in each session, the patient is asked to lie on the bed and cover his eyes with an blindfold. Two NEW Dual Infrared and Red Light Therapy Speeds Healing 120 leds are placed on the parapharyngeal area on the neck. The devices in manual therapy group is placed on the neck, but the devices is not turned on. Two groups are asked to keep their blindfold. After twenty minutes, both groups receive manual treatment. Only the therapist is aware of which of the patients receive radiation. The main investigator is not aware of which of the patients fall into any of the treatment groups. N/A Musle tension dysphonia. Intervention 1: Control group: At each of eight treatment sessions, the "control group" is asked to lie on the bed and cover their eyes with blindfolds. Then two infrared devices are placed on the parapharyngeal part of the neck. In the "control group" the device will not be switched and patients will not receive radiation. After 20 minutes, the devices are removed. Then, patients can remove the blindfolds. After this step, the "control group" receives manual therapy. The patient should lie on the bed and the skilled therapist starts the manual therapy. manual therapy includes massages that cause relaxation of the laryngeal muscles and improve the quality of the voice.When the massages is performed, the patient is asked to sustain a vowel and judge the improvement of the quality of the voice. Intervention 2: Intervention group: At each of the eight treatment sessions,the "intervention group" is also asked to lie on the bed and cover their eyes with an blindfolds. Two devices are placed in the parapharyngeal part of the neck. In the" intervention group", the device is switched and the patient receives infrared radiation. This radiation causes warming and increased blood circulation and removes poisons through sweat. After 20 minutes, the devices are removed. Then, patients can remove the blindfolds. The patient should lie on the bed and the skilled therapist starts the manual therapy. manual therapy includes massages that cause relaxation of the laryngeal muscles and improve the quality of the voice.When the massages is performed, the patient is asked to sustain a vowel and judge the improvement of the quality of the voice. 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 no more information
public Negin Moradi
Golestan Highway
Ahwaz Iran (Islamic Republic of) 33133 -61357 +98 61 3374 3101 Moradi-n@ajums.ac.ir Ahvaz University of Medical Sciences scientific Negin Moradi
Golestan Highway
Ahwaz Iran (Islamic Republic of) 33133 -61357 +98 61 3374 3101 Moradi-n@ajums.ac.ir Ahvaz University of Medical Sciences Iran (Islamic Republic of) diagnosis of Muscle tension dysphonia pain in the laryngeal region age>20 20 years no limit Both pregnant patient with pace maker Patient with cancer if there is a possibility of metastasis Epilepsy or seizure Hormonal disorders neck vessel problems History of surgery on the neck or larynx Cardiovascular problems R49 Voice and resonance disorders Rehabilitation Rehabilitation Control group: At each of eight treatment sessions, the "control group" is asked to lie on the bed and cover their eyes with blindfolds. Then two infrared devices are placed on the parapharyngeal part of the neck. In the "control group" the device will not be switched and patients will not receive radiation. After 20 minutes, the devices are removed. Then, patients can remove the blindfolds. After this step, the "control group" receives manual therapy. The patient should lie on the bed and the skilled therapist starts the manual therapy. manual therapy includes massages that cause relaxation of the laryngeal muscles and improve the quality of the voice.When the massages is performed, the patient is asked to sustain a vowel and judge the improvement of the quality of the voice. Intervention group: At each of the eight treatment sessions,the "intervention group" is also asked to lie on the bed and cover their eyes with an blindfolds. Two devices are placed in the parapharyngeal part of the neck. In the" intervention group", the device is switched and the patient receives infrared radiation. This radiation causes warming and increased blood circulation and removes poisons through sweat. After 20 minutes, the devices are removed. Then, patients can remove the blindfolds. The patient should lie on the bed and the skilled therapist starts the manual therapy. manual therapy includes massages that cause relaxation of the laryngeal muscles and improve the quality of the voice.When the massages is performed, the patient is asked to sustain a vowel and judge the improvement of the quality of the voice. First Formant. Timepoint: at the beginning of the study (before the intervention) and at the end of the eighth session and two weeks after the last session. Method of measurement: praat software. Second formant. Timepoint: at the beginning of the study (before the intervention) and at the end of the eighth session and two weeks after the last session. Method of measurement: praat softwave. Ahvaz University of Medical Sciences Approved 2017-12-16 Ethics committee of Jundi shapour University Golestan Highway Ahwaz Khouzestan Iran (Islamic Republic of)