The Treatment Outcome of Smart Device–Based Tinnitus Retraining Therapy: Prospective Cohort Study

Abstract

BackgroundTinnitus retraining therapy (TRT) is a standard treatment for tinnitus that consists of directive counseling and sound therapy. However, it is based on face-to-face education and a time-consuming protocol. Smart device–based TRT (smart-TRT) seems to have many advantages, but the efficacy of this new treatment has been questioned. ObjectiveThe aim of this study was to compare the efficacy between smart-TRT and conventional TRT (conv-TRT). MethodsWe recruited 84 patients with tinnitus. Results were compared between 42 patients who received smart-TRT and 42 control participants who received conv-TRT. An interactive smart pad application was used for directive counseling in the smart-TRT group. The smart pad application included detailed education on ear anatomy, the neurophysiological model of tinnitus, concept of habituation, and sound therapy. The smart-TRT was bidirectional: There were 17 multiple choice questions between each lesson as an interim check. The conv-TRT group underwent traditional person-to-person counseling. The primary outcome measure was the Tinnitus Handicap Inventory (THI), and the secondary outcome measure was assessed using a visual analogue scale (VAS). ResultsBoth treatments had a significant treatment effect, which comparably improved during the first 2 months. The best improvements in THI were –23.3 (95% CI –33.1 to –13.4) points at 3 months and –16.8 (95% CI –30.8 to –2.8) points at 2 months in the smart-TRT group and conv-TRT group, respectively. The improvements on the VAS were also comparable: smart-TRT group: –1.2 to –3.3; conv-TRT: –0.7 to –1.7. ConclusionsTRT based on smart devices can be an effective alternative for tinnitus patients. Considering the amount of time needed for person-to-person counseling, smart-TRT can be a cost-effective solution with similar treatment outcomes as conv-TRT.