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  • Title: Efficacy of transmeatal low power laser irradiation on tinnitus: a preliminary report.
    Author: Shiomi Y, Takahashi H, Honjo I, Kojima H, Naito Y, Fujiki N.
    Journal: Auris Nasus Larynx; 1997; 24(1):39-42. PubMed ID: 9148726.
    Abstract:
    Thirty-eight patients suffering from tinnitus resistant to several medical therapies for more than 6 months were treated by low power laser irradiation. A 40 mW laser with a wavelength of 830 nm was irradiated via their external auditory meatus toward the cochlea for 9 min once a week, 10 times or more. Patients were asked to score their symptoms on a 5 point scale before and after the treatment for a subjective evaluation of the effect. The results were estimated by the change of the loudness and duration of tinnitus, and the degree of annoyance due to tinnitus. Although only 26% of the patients had improved duration, loudness and degree of annoyance were relieved in up to 58 and 55%, respectively, without major complication. Laser therapy seemed to be worth trying on patients with intractable tinnitus.
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