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- Title
The effects of photobiomodulation therapy in individuals with tinnitus and without hearing loss.
- Authors
Silva, Mirele Regina; Scheffer, Amanda Rodrigues; de Assunção Bastos, Roberto Sávio; Chavantes, Maria Cristina; Mondelli, Maria Fernanda Capoani Garcia
- Abstract
To verify the effect of photobiomodulation therapy (PBMT) in individuals with chronic tinnitus without hearing loss, 20 patients who met the inclusion criteria were randomly divided into group 1: active low-level laser (LLL) and group 2: equipment without laser (placebo). Upon anamnesis, data collection, and audiological exams, the Tinnitus Handicap Inventory (THI) and the Visual-Analog Scale (EVA) were applied to measure the level of discomfort with tinnitus and the level of discomfort before and after laser treatment. The protocol used included 12 active LLL sessions for group 1 and not active for group 2, varying red and infrared wavelengths. There was a reduction in the disadvantage of individuals with tinnitus after the intervention and between the initial and final sessions, regardless of the intervention, although group 1 showed a greater reduction than group 2, regardless of point in time of assessment and number of session. There was no statistical difference as to group and point in time for the high-frequency audiometry and acuphenometry outcomes. Individuals with chronic tinnitus reduced the complaint, regardless of point in time and group of intervention; however, the group that received PBMT improved the level of satisfaction, regardless of point in time of assessment and number of session.
- Publication
Lasers in Medical Science, 2022, Vol 37, Issue 9, p3485
- ISSN
0268-8921
- Publication type
journal article
- DOI
10.1007/s10103-022-03614-z