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:: Volume 17, Issue 1 (10 2008) ::
aud 2008, 17(1): 19-28 Back to browse issues page
Effectiveness of low level laser irradiation on tinnitus and parameters of electrocochleography and distortion product otoacoustic emissions
Saeed Mahmoudian * 1, Mohammad Farhadi1 , Maryam Rahmani2 , Seyyed Kamran Kamrava1 , Farzad Sina3
1- Ear, Nose, Throat- Head and Neck Research Center, Iran University of Medical Sciences, Iran
2- M.Sc. In Audiology, Faculty of Rehabilitation Sciences, Iran University of Medical Sciences, Iran
3- Neurology Department, Hazrat Rasoul Hospital, Iran University of Medical Sciences, Iran
Abstract:   (12526 Views)

Background and Aim: Tinnitus is the consciousness of sound that arises in the ear or head without any external sound origin. The efficacies of transmeatal low-level laser irradiation for tinnitus treatment were reported before. The aim of this study was to evaluate the effectiveness of low level laser therapy on tinnitus and ECochG and DPOAEs parameters.
Materials and Methods: The study design was prospective, quasi experimental. This investigation conducted on 16 ears (10 patients) with disabling tinnitus. All patients underwent ENT examination, complete audiological evaluation, tinnitus study, ECochG and DPOAEs, and finally completing tinnitus data sheet. The results were compared before and after irradiation.
Results: Means of tinnitus loudness (LMT) and CAP amplitudes were significant different before and after irradiation (p<0.005). There was no any other significant difference before and after low level laser irradiation in subjective loudness, pitch matching annoyance grade of tinnitus and DPOAEs and other ECochG parameters.
Conclusion: Transmeatal low-power laser irradiation with 200 mW seems not to be effective for treatment of tinnitus. This paper is the research brief report. In clinical point of view, this study should be repeated with a greater sample size although our results were statistically important.

Keywords: low level laser therapy, tinnitus, electrocochleography, distortion product otoacoustic emission
Full-Text [PDF 339 kb]   (4408 Downloads)    
Type of Study: Research |
Received: 2007/12/13 | Accepted: 2008/08/23 | Published: 2013/10/9
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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 17, Issue 1 (10 2008) Back to browse issues page
شنوایی شناسی - دانشگاه علوم پزشکی تهران Bimonthly Audiology - Tehran University of Medical Sciences
Creative Commons Attribution-NonCommercial 3.0

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