What question did this study set out to answer?

To determine whether cumulative technological and clinical advancements in cochlear implant design have translated into significant gains in adult speech perception over time.

February 28, 2025Otology & Neurotology

Speech Outcomes of Cochlear Implantation, from 1983 to Present: A Systematic Review

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Authors

SVSanjena Venkatesh TKTazheh Kavoosi JOJames O. Onyeukwu

Discussion

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Overview

Systematic review finds no significant improvement in adult speech recognition scores after cochlear implantation between 1983 and 2019, indicating a plateau in quiet-environment device benefits.

Key Points

To determine whether cumulative technological and clinical advancements in cochlear implant design have translated into significant gains in adult speech perception over time.
Conducted a systematic review of English-language studies across EMBASE, PubMed/MEDLINE, and Cochrane databases from 1946 to August 2022 following PRISMA and Cochrane guidelines.
Included adult recipients of Cochlear, Med-EL, or Advanced Bionics devices who underwent 12-month postoperative sentence recognition testing.
Performed meta-regression to evaluate the relationship between implantation year and speech scores, controlling for baseline speech scores and unilateral versus bilateral implantation, supplemented by duration-restricted subgroup analyses.
Across 37 included studies representing implantations from 1983 to 2019, meta-regression revealed no significant association between median study year and 12-month postoperative sentence recognition scores on AzBio in quiet, CNC words, or HINT sentences in quiet.
Subgroup analysis restricted to 15 studies with implantations between 2007 and 2019 similarly showed no significant change in speech perception scores over time.

Cite This Study

Venkatesh et al. (2025) studied this question.

synapsesocial.com/papers/6a885cd6e0903042354df7e2 https://doi.org/10.1097/mao.0000000000004468

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February 28, 2025Otology & Neurotology

Speech Outcomes of Cochlear Implantation, from 1983 to Present: A Systematic Review

View Full Paper

Ask AI

Bookmark

Authors

SVSanjena Venkatesh TKTazheh Kavoosi JOJames O. Onyeukwu

Discussion

Member takes

Overview

Systematic review finds no significant improvement in adult speech recognition scores after cochlear implantation between 1983 and 2019, indicating a plateau in quiet-environment device benefits.

Key Points

To determine whether cumulative technological and clinical advancements in cochlear implant design have translated into significant gains in adult speech perception over time.
Conducted a systematic review of English-language studies across EMBASE, PubMed/MEDLINE, and Cochrane databases from 1946 to August 2022 following PRISMA and Cochrane guidelines.
Included adult recipients of Cochlear, Med-EL, or Advanced Bionics devices who underwent 12-month postoperative sentence recognition testing.
Performed meta-regression to evaluate the relationship between implantation year and speech scores, controlling for baseline speech scores and unilateral versus bilateral implantation, supplemented by duration-restricted subgroup analyses.
Across 37 included studies representing implantations from 1983 to 2019, meta-regression revealed no significant association between median study year and 12-month postoperative sentence recognition scores on AzBio in quiet, CNC words, or HINT sentences in quiet.
Subgroup analysis restricted to 15 studies with implantations between 2007 and 2019 similarly showed no significant change in speech perception scores over time.

Cite This Study

Venkatesh et al. (2025) studied this question.

synapsesocial.com/papers/6a885cd6e0903042354df7e2 https://doi.org/10.1097/mao.0000000000004468

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