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Original Articles

Sound therapy for cochlear implant users with tinnitus

ORCID Icon, ORCID Icon, , ORCID Icon, , ORCID Icon, & ORCID Icon show all
Pages 374-384 | Received 27 Jul 2020, Accepted 29 Sep 2020, Published online: 19 Oct 2020

Figures & data

Figure 1. Flowchart of the study. Phase 2 was optional and included a baseline period (without sound therapy) of at least 2 weeks with a maximum duration of 3 weeks, followed by a take-home evaluation (with sound therapy) of at least 5 weeks with a maximum duration of 6 weeks. CART: Cochlear™ Active Relief from Tinnitus.

Figure 1. Flowchart of the study. Phase 2 was optional and included a baseline period (without sound therapy) of at least 2 weeks with a maximum duration of 3 weeks, followed by a take-home evaluation (with sound therapy) of at least 5 weeks with a maximum duration of 6 weeks. CART: Cochlear™ Active Relief from Tinnitus.

Table 2. Background sound use in phase 2.

Table 1. Subject demographics.

Figure 2. VAS on tinnitus annoyance and loudness. Baseline = individual scores averaged across 2 weeks without use of sound therapy; Intervention = individual scores averaged across five weeks with use of sound therapy. *p < 0.05, Participant withdrew from the study and did not complete phase 2 (no data of baseline and/or intervention period), Calculated for the 14 participants that completed phase 2. VAS: Visual Analogue Scale.

Figure 2. VAS on tinnitus annoyance and loudness. Baseline = individual scores averaged across 2 weeks without use of sound therapy; Intervention = individual scores averaged across five weeks with use of sound therapy. *p < 0.05, †Participant withdrew from the study and did not complete phase 2 (no data of baseline and/or intervention period), ‡Calculated for the 14 participants that completed phase 2. VAS: Visual Analogue Scale.

Figure 3. Tinnitus Functional Index (TFI). Baseline = individual scores averaged across two weeks without use of sound therapy; Intervention = individual scores averaged across five weeks with use of sound therapy. Participant withdrew from the study and did not complete phase 2 (no data of baseline and/or intervention period), Calculated for the 14 participants that completed phase 2.

Figure 3. Tinnitus Functional Index (TFI). Baseline = individual scores averaged across two weeks without use of sound therapy; Intervention = individual scores averaged across five weeks with use of sound therapy. †Participant withdrew from the study and did not complete phase 2 (no data of baseline and/or intervention period), ‡Calculated for the 14 participants that completed phase 2.

Figure 4. Speech perception in quiet was tested at 65 and 50 dB SPL with participant’s most preferred background sound off and on, using open-set Dutch consonant-vowel-consonant (CVC) monosyllabic words in a free-field-condition in a sound-treated booth.

Figure 4. Speech perception in quiet was tested at 65 and 50 dB SPL with participant’s most preferred background sound off and on, using open-set Dutch consonant-vowel-consonant (CVC) monosyllabic words in a free-field-condition in a sound-treated booth.