Paper Information

Journal:   JOURNAL OF RESEARCH IN MEDICAL SCIENCES (JRMS)   JANUARY 2011 , Volume 16 , Number 1; Page(s) 33 To 38.
 
Paper: 

LOW-LEVEL LASER FOR TREATMENT OF TINNITUS: A SELF-CONTROLLED CLINICAL TRIAL

 
 
Author(s):  OKHOVAT AHMADREZA, BERJIS NEZAMODDIN, OKHOVAT HODA, MALEKPOUR AFSANEH, ABTAHI HAMIDREZA*
 
* DEPARTMENT OF OTORHINOLARYNGOLOGY, SCHOOL OF MEDICINE, ISFAHAN UNIVERSITY OF MEDICAL SCIENCE, ISFAHAN, IRAN
 
Abstract: 
BACKGROUND: Despite the high prevalence and morbidity, tinnitus still remains an obscure symptom. We assessed the efficacy of low-level laser for treatment of tinnitus.
METHODS: It was a self controlled clinical trial study on 61 outpatients with subjective tinnitus. The patients were irradiated with a 650-nm, 5-mW soft laser for twenty days and twenty minutes per day. The sensation of tinnitus was measured on a Visual Analog Scale (VAS) before and two weeks after treatment and they were compared by means of Wilcoxon signed rank-test.
RESULTS: Thirty-eight (62.3%) patients were men and twenty-three (37.7%) were women. Fourteen patients (31.8%) worked in noisy environment. The VAS mean difference before and after the treatment was statistically significant (p < 0.0001). The best treatment effect was in the youngest group and there were significant differences between this group and the middle age and older groups (p=0.018 and 0.001, respectively). The mean VAS score reduction was not statistically significant between male and female patients (p=0.23). Also, the treatment outcome according to the noise level in patient’s workplaces was not significantly different in women (p=0.693), but it was significant in men (p=0.029).
CONCLUSIONS: Transmeatal low-level laser irradiation is effective for the treatment of tinnitus and some variables like age and job can affect the treatment outcome.
 
Keyword(s): TINNITUS, LASER THERAPY, LOW-LEVEL, WORKPLACE
 
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