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17-07-2024 | Acoustic Trauma | Otology

Recovery rate after acute acoustic trauma: a case series and meta-analysis

Authors: Shir Welber, Yahav Oron, Ophir Handzel, Rani Abu-Eta, Nidal Muhanna, Shahaf Shilo, Omer J. Ungar

Published in: European Archives of Oto-Rhino-Laryngology | Issue 12/2024

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Abstract

Objective

Steroids given systemically, locally, or both are the mainstay of treatment for acute acoustic trauma (AAT). The overall recovery rate (full, partial, and none) is undetermined.

Study design

Original case series and systematic literature review.

Setting

Case series of a tertiary referral center and a systematic literature review.

Methods

Cases of AAT between 2012 and 2022 were retrospectively analyzed for demographics, acoustic trauma characteristics, treatment modality and delay and prognosis. This case series was added to the series identified by a systematic literature review. This review included “Medline” via “PubMed”, “EMBASE”, and “Google scholar”. All series were pooled for meta-analysis defining prognosis following steroidal treatment for AAT patients.

Results

The pooled analyses included 662 ears, out of which 250 underwent complete recovery of hearing (overall proportion = 0.2809, 95%confidence interval [CI] = 0.1611–0.4178). Any recovery was recorded for 477 ears (overall proportion = 0.7185, 95% CI = 0.5671–0.8493) and no recovery was documented for 185 ears (overall proportion = 0.2815, 95% CI = 0.1507–0.4329).

Conclusion

The rate of overall recovery for AAT is around 70%, and around 30% for full recovery when steroids are initiated within the first 2 weeks following the insult.

Level of evidence

3.
Appendix
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Metadata
Title
Recovery rate after acute acoustic trauma: a case series and meta-analysis
Authors
Shir Welber
Yahav Oron
Ophir Handzel
Rani Abu-Eta
Nidal Muhanna
Shahaf Shilo
Omer J. Ungar
Publication date
17-07-2024
Publisher
Springer Berlin Heidelberg
Published in
European Archives of Oto-Rhino-Laryngology / Issue 12/2024
Print ISSN: 0937-4477
Electronic ISSN: 1434-4726
DOI
https://doi.org/10.1007/s00405-024-08847-y