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Systematic Review

The Long-Term Effect of Cochlear Implantation on Tinnitus: A Systematic Review and Meta-Analysis

1
Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
2
Institute of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
3
Hubei Province Clinic Research Center for Deafness and Vertigo, Wuhan 430022, China
4
Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Diagnostics 2024, 14(18), 2028; https://doi.org/10.3390/diagnostics14182028
Submission received: 3 August 2024 / Revised: 4 September 2024 / Accepted: 11 September 2024 / Published: 13 September 2024
(This article belongs to the Special Issue Etiology, Diagnosis, and Treatment of Congenital Hearing Loss)

Abstract

Objective: This systematic review investigates the long-term effect of cochlear implantation (CI) on clinical outcomes in tinnitus patients with sensorineural hearing loss (SNHL). Database Sources: PubMed, Embase, and the Cochrane Library were searched from inception to 30 April 2024. Manual searches of reference lists supplemented these searches when necessary. Review Methods: Original studies included in the meta-analysis had to contain comparative pre- and postoperative data for SNHL patients who underwent CI. Outcomes measured were the Tinnitus Handicap Inventory (THI), Visual Analog Scale (VAS), and Tinnitus Questionnaire (TQ). Results: A total of 28 studies comprising 853 patients showed significant tinnitus improvement after CI: THI mean difference (MD) −14.02 [95%CI −15.29 to −12.76, p < 0.001], TQ MD −15.85 [95%CI −18.97 to −12.74, p < 0.05], and VAS MD −3.12 [95%CI −3.49 to −2.76, p < 0.05]. Subgroup analysis indicated a significant difference between follow-up periods in THI (p < 0.0001) and VAS loudness (p = 0.02). Conclusions: Cochlear implantation substantially improves tinnitus in patients with hearing loss, though the effect may diminish over time. Further research is needed to confirm these findings.
Keywords: tinnitus; cochlear implantation; CI; curation; meta-analysis tinnitus; cochlear implantation; CI; curation; meta-analysis

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MDPI and ACS Style

Li, Y.; Yang, H.; Niu, X.; Sun, Y. The Long-Term Effect of Cochlear Implantation on Tinnitus: A Systematic Review and Meta-Analysis. Diagnostics 2024, 14, 2028. https://doi.org/10.3390/diagnostics14182028

AMA Style

Li Y, Yang H, Niu X, Sun Y. The Long-Term Effect of Cochlear Implantation on Tinnitus: A Systematic Review and Meta-Analysis. Diagnostics. 2024; 14(18):2028. https://doi.org/10.3390/diagnostics14182028

Chicago/Turabian Style

Li, Yutian, Huiwen Yang, Xun Niu, and Yu Sun. 2024. "The Long-Term Effect of Cochlear Implantation on Tinnitus: A Systematic Review and Meta-Analysis" Diagnostics 14, no. 18: 2028. https://doi.org/10.3390/diagnostics14182028

APA Style

Li, Y., Yang, H., Niu, X., & Sun, Y. (2024). The Long-Term Effect of Cochlear Implantation on Tinnitus: A Systematic Review and Meta-Analysis. Diagnostics, 14(18), 2028. https://doi.org/10.3390/diagnostics14182028

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