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J Am Acad Audiol 2023; 34(05/06): 093-099
DOI: 10.1055/a-2084-4808
Research Article

Exploding Head Syndrome among Patients Seeking Help for Tinnitus and/or Hyperacusis at an Audiology Department in the UK: A Preliminary Study

Hashir Aazh 
1   Department of Audiology, Royal Surrey NHS Foundation Trust, Guildford, United Kingdom
2   Department of Communication Sciences & Disorders, Florida Atlantic University, Boca Raton, Florida, United States
3   Hashir International Specialist Clinics and Research Institute for Misophonia, Tinnitus and Hyperacusis, London, United Kingdom
,
Jennifer Stevens
1   Department of Audiology, Royal Surrey NHS Foundation Trust, Guildford, United Kingdom
,
Laure Jacquemin 
4   Department of Translational Neuroscience, Faculty of Medicine and Health Science, University of Antwerp, Antwerp, Belgium
5   University Department of Otorhinolaryngology and Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium
› Author Affiliations
Funding L.J. was supported by an OJO grant from the University of Antwerp. H.A. was supported by an R&D fund from Hashir International Institute.
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Abstract

Background Exploding head syndrome (EHS) is characterized by hearing a sudden loud noise or experiencing a sense of explosion in head during the transition of sleep-wake or wake-sleep. The experience of EHS shares similarities with tinnitus, where an individual perceives a sound without any external sound source. To the authors' knowledge, the possible relationship between EHS and tinnitus has not been explored.

Purpose Preliminary assessment of prevalence of EHS and its related factors among patients seeking help for tinnitus and/or hyperacusis.

Research Design Retrospective cross-sectional study.

Study Sample A total of 148 consecutive patients who sought help for tinnitus and/or hyperacusis at an audiology clinic in the United Kingdom.

Data Collection and Analysis The data regarding demographics, medical history, audiological measures, and self-report questionnaires were collected retrospectively from the patients' records. Audiological measures comprised of pure-tone audiometry and uncomfortable loudness levels. The self-report questionnaires which were administered as a part of standard care comprised of the Tinnitus Handicap Inventory, numeric rating scale of tinnitus loudness, annoyance, and effect on life, hyperacusis questionnaire, Insomnia Severity Index, Generalized Anxiety Disorder scale 7, and Patient Health Questionnaire (PHQ-9). To establish presence of EHS, participants were asked “Do you ever hear a sudden, loud noise, or feel a sense of explosion in your head at night?”

Results EHS was reported by 8.1% of patients with tinnitus and/or hyperacusis (12 out of 148). The patients with and without EHS were compared, but no significant relationships were found, between the presence of EHS and age, gender, tinnitus/hyperacusis distress, symptoms of anxiety or depression, sleep difficulties, or audiological measures.

Conclusion The prevalence of EHS in a tinnitus and hyperacusis population is similar to that in the general population. While there does not seem to be any association with sleep or mental factors, this might be due to the limited variability in our clinical sample (i.e., most patients exhibited high level of distress regardless of EHS). Replication of the results in a larger sample with more variety of symptom severity is warranted.

Keywords

exploding head syndrome - tinnitus - hearing loss - hyperacusis

Ethical Approval

The study was registered and approved as a clinical audit by the Quality Governance Department at the Royal Surrey NHS Foundation Trust (RSFT). The need for patient consent was waived as this was a retrospective analysis of available clinical data. Analysis of the data was approved by the South West-Cornwall and Plymouth Research Ethics Committee and the Research and Development department at the RSFT (Project ID: 182924).




Publication History

Received: 23 November 2022

Accepted: 28 April 2023

Accepted Manuscript online:
02 May 2023

Article published online:
21 October 2024

© 2024. American Academy of Audiology. This article is published by Thieme.

Thieme Medical Publishers, Inc.
333 Seventh Avenue, 18th Floor, New York, NY 10001, USA

 

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