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- Title
Cochlear implantation in adults with unilateral hearing loss: A review of recent studies.
- Authors
Figueiredo, S. S. R.; Teruya, J. N.
- Abstract
Objectives: Recent findings regarding indications for cochlear implantation in adult and elderly patients with unilateral hearing loss are steadily increasing. They have been used to attempt to improve the binaural hearing abilities, such as the understanding of speech in noisy environments and sound localization. This article aims to write a review of recent studies to evaluate the clinical outcome of cochlear implantation in adult and elderly patients with unilateral hearing loss, namely, the effectiveness and benefit of cochlear implant use referring to binaural hearing abilities. Material: Studies on the topic of cochlear implant for adult and elderly patients with unilateral hearing loss, in the form of articles written in Brazilian Portuguese and English and published in the past 5 years. Methods: A bibliographic review was carried out by means of the consultation of Lilacs, SiELO and Google academic databases using the following combinations of keywords: unilateral hearing loss and cochlear implant; cochlear Implant and hypoacusis. Results: 780 articles were retrieved altogether, 9 of which satisfied the eligibility criteria. After an integrated reading and analysis of the scientific studies, the majority of the clinical outcomes suggests important benefits of cochlear implantation in adult and elderly patients with unilateral hearing loss, especially the ability of sound localization, which was superior to the outcomes of using Bone- Anchored Hearing Systems. The remaining clinical data were more variable, possibly on account of large heterogeneity between studies. Some studies show the improvement of understanding of speech in quiet and noisy environments, and benefits regarding tinnitus. Some clinical outcomes were found which suggest that the cochlear implantation in adult and elderly patients with unilateral hearing loss is most sucessfuly in post-lingual adults. Conclusions: Even with the large heterogeneity between studies it is possible to conclude that the cochlear implantation in adult and elderly patients with unilateral hearing loss can provide sound localization ability in most cases, according to the studies mentioned. Larger studies are necessary to define the benefits of cochlear implantation in patients with unilateral hearing loss regarding to binaural hearing abilities, such as understanding of speech in noisy environments and benefits regaring tinnitus.
- Subjects
POLAND; TREATMENT of deafness; COCHLEAR implants; MEDICAL equipment calibration; CONFERENCES &; conventions; TREATMENT effectiveness; ADULTS
- Publication
Journal of Hearing Science, 2022, Vol 12, Issue 1, p158
- ISSN
2083-389X
- Publication type
Article