Notched environmental sounds: a new hearing aid‐supported tinnitus treatment evaluated in 20 patients

Strauß, Daniel J.; Corona-Strauss, Farah I.; Seidler, Harald; Haab, Lars; Hannemann, Ronny

doi:10.1111/coa.12575

Cited by 14 publications

(11 citation statements)

References 9 publications

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“…We compared the patient’s subjective self-assessment by TQ52 questionnaire with objective EEG correlates of habituation before and up to 6 months after the start of the intervention to evaluate the notched environmental sounds approach. These results reinforce our previous findings in [33] and additionally reveal a more persistent improvement of the test group compared to the control group.…”

Section: Results and Clinical Outcome Analysissupporting

confidence: 92%

“…Referring to the results in [17] we conducted experimental studies utilizing spectrally notched hearing aids for sharp edge effects in environmental sounds in tinnitus treatment [33]. We compared the patient’s subjective self-assessment by TQ52 questionnaire with objective EEG correlates of habituation before and up to 6 months after the start of the intervention to evaluate the notched environmental sounds approach.…”

Section: Results and Clinical Outcome Analysismentioning

confidence: 99%

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Implementation and Long-Term Evaluation of a Hearing Aid Supported Tinnitus Treatment Using Notched Environmental Sounds

Haab

Lehser

Corona-Strauss³

et al. 2019

IEEE J. Transl. Eng. Health Med.

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Recent work has shown that sharp spectral edges in acoustic stimuli might have advantageous effects in the treatment of tonal tinnitus. In the course of this paper, we evaluate the long-term effects of spectrally notched hearing aids on the subjective tinnitus distress. By merging recent experimental work with a computational tinnitus model, we modified the commercially available behind-the-ear hearing aids so that a frequency band of 0.5 octaves, centered on the patient’s individual tinnitus frequency, was blocked out. Those hearing aids employ a steep notch filter that filters environmental sounds to suppress the tinnitus-related changes in neural firing by lateral inhibition. The computational model reveals a renormalization of pathologically increased neural response reliability and synchrony in response to spectrally modified input. The target group, fitted with spectrally notched hearing aids, was matched with a comparable control group, fitted with standard hearing aids of the same type but without a notch filter. We analyze the subjective self-assessment by tinnitus questionnaires, and we monitor the objective distress correlates in auditory evoked response phase data. Both, subjective and objective results show a noticeable trend of a larger therapeutic benefit for notched hearing correction.

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Section: Results and Clinical Outcome Analysissupporting

confidence: 92%

Section: Results and Clinical Outcome Analysismentioning

confidence: 99%

Implementation and Long-Term Evaluation of a Hearing Aid Supported Tinnitus Treatment Using Notched Environmental Sounds

Haab

Lehser

Corona-Strauss³

et al. 2019

IEEE J. Transl. Eng. Health Med.

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“…A previous study of notch width reported that removing the frequency band within a 1/2 octave of the tinnitus frequency tended be more effective than removal of the frequency band within 1/4 or 1 octave, although these results were not statistically significant [26]. The application of spectral notching to environmental sounds in hearing aids has also demonstrated superiority to the use of conventional hearing aids in patients with concurrent hearing loss and tinnitus [27]. Alternatively, broadband noise sound therapy has been hypothesized to facilitate habituation to tinnitus perception according to the neurophysiologic model [28].…”

Section: Discussionmentioning

confidence: 99%

Combined Bifrontal Transcranial Direct Current Stimulation and Tailor-Made Notched Music Training in Chronic Tinnitus

et al. 2017

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Background and ObjectivesWe evaluated the short-term treatment outcomes of combined bifrontal transcranial direct current stimulation (tDCS) and tailor-made notched music training (TMNMT) in tinnitus patients. The associations of patient characteristics with treatment responsiveness were investigated.Subjects and MethodsFour sessions of bifrontal tDCS (F4: anode, F3: cathode) and TMNMT were conducted over a 2-week period in tinnitus patients. For tDCS, the stimulation intensity was 1.5 mA and the duration was approximately 20 min. During tDCS, patients listened to music lacking the frequency band within 1 octave of the tinnitus frequency. Patients were also instructed to listen to this music at home for at least 2 hours per day. One month after the final tDCS session, loudness (LD), awareness (AW), annoyance (AN), and effect on life (EL) of tinnitus were assessed subjectively using a visual analog scale.ResultsA total of 14 patients were enrolled in this study. After treatment, a 50% or greater improvement in AN, AW, EL, and LD was observed in 57.1, 42.9, 35.7, and 28.6% of patients, respectively. Furthermore, 78.6% of patients showed a 50% or greater improvement in their tinnitus handicap inventory scores. For AN, the absence of sleep disturbance was significantly associated with treatment responsiveness (p=0.041, OR=24.0).ConclusionsCombined bifrontal tDCS and TMNMT is a promising treatment for chronic tinnitus. To maximize the treatment outcomes of this therapy, sleep disturbances should also be addressed in candidate patients.

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“…Two of the three studies did not report significant effects of either treatment on tinnitus perception. Strauss et al (2015) included 20 patients with tonal tinnitus in a 3 weeks double-blind study. While more prominent improvement was shown for the notch-induced lateral inhibition, the authors did not report whether this result was significant.…”

Section: Resultsmentioning

confidence: 99%

Hearing More to Hear Less: A Scoping Review of Hearing Aids for Tinnitus Relief

Jacquemin

Gilles

Shekhawat

2021

Preprint

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Background Tinnitus, the perception of a sound in absence of an external auditory source, can significantly impact ones' quality of life. As tinnitus is often associated with hearing loss, hearing aids have been proposed for tinnitus relief in literature for more than 70 years. While there is a long history of clinical work and research on this topic, there is a need for recent literature to be reviewed and guide decision making in tinnitus management. Objective The aim of this scoping review is to provide an update of the available evidence on hearing aids for tinnitus, focusing on the effect of sound amplification, to draw conclusions for clinical practice and identify gaps in the field. A consultation exercise was included to discuss current issues that practitioners and carers themselves face but remain under-researched. Design This scoping review was conducted based on the six-stage framework of Arksey et al. (2005). Studies were included if they investigated hearing aids for tinnitus and were published after 2011. Databases of PubMed and Scopus were explored on the 16th of November 2020. The search was limited to English manuscripts. A total of 28 primary research studies were selected. Results Positive results of hearing aids for tinnitus relief were shown by 68 % of the studies, whereas 14 % demonstrated no change in tinnitus perception. As the quality of the evidence across studies was variable, no consensus can be reached regarding the use of hearing aids as a treatment for tinnitus. Nevertheless, recent studies were more likely to focus on optimizing the effect of hearing aids and better predicting which tinnitus patients benefit from hearing aids. The experts stated that the findings were in agreement with their view on the scientific evidence and they emphasized the importance of reaching consensus. Conclusions The majority of the studies supported the use of hearing aids for tinnitus relief. Hence, there was some scientific support for it, but the quality of evidence was questioned. Stronger methodology in future studies is needed to reach consensus and support clinical guidelines development.

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Notched environmental sounds: a new hearing aid‐supported tinnitus treatment evaluated in 20 patients

Cited by 14 publications

References 9 publications

Implementation and Long-Term Evaluation of a Hearing Aid Supported Tinnitus Treatment Using Notched Environmental Sounds

Implementation and Long-Term Evaluation of a Hearing Aid Supported Tinnitus Treatment Using Notched Environmental Sounds

Combined Bifrontal Transcranial Direct Current Stimulation and Tailor-Made Notched Music Training in Chronic Tinnitus

Hearing More to Hear Less: A Scoping Review of Hearing Aids for Tinnitus Relief

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