Variables Affecting Cochlear Implant Performance After Loss of Residual Hearing
© 2023 The American Laryngological, Rhinological and Otological Society, Inc..
OBJECTIVE: Determine variables that influence post-activation performance for cochlear implant (CI) recipients who lost low-frequency acoustic hearing.
METHODS: A retrospective review evaluated CNC word recognition for adults with normal to moderately severe low-frequency hearing (preoperative unaided thresholds of ≤70 dB HL at 250 Hz) who were implanted between 2012 and 2021 at a tertiary academic center, lost functional acoustic hearing, and were fit with a CI-alone device. Performance scores were queried from the 1, 3, 6, 12, and 24-month post-activation visits. A linear mixed model evaluated the effects of age at implantation, array length (long vs. mid/short), and preoperative low-frequency hearing (normal to mild, moderate, and moderately severe) on speech recognition with a CI alone.
RESULTS: 113 patients met the inclusion criteria. There was a significant main effect of interval (p < 0.001), indicating improved word recognition post-activation despite loss of residual hearing. There were significant main effects of age (p = 0.029) and array length (p = 0.038), with no effect of preoperative low-frequency hearing (p = 0.171). There was a significant 2-way interaction between age and array length (p = 0.018), indicating that older adults with mid/short arrays performed more poorly than younger adults with long lateral wall arrays when functional acoustic hearing was lost.
CONCLUSION: CI recipients with preoperative functional low-frequency hearing experience a significant improvement in speech recognition with a CI alone as compared to preoperative performance-despite the loss of low-frequency hearing. Age and electrode array length may play a role in post-activation performance. These data have implications for the preoperative counseling and device selection for hearing preservation candidates.
LEVEL OF EVIDENCE: 4 Laryngoscope, 134:1868-1873, 2024.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:134 |
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| Enthalten in: |
The Laryngoscope - 134(2024), 4 vom: 14. März, Seite 1868-1873 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Thompson, Nicholas J [VerfasserIn] |
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| Links: |
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| Themen: |
Hearing preservation |
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| Anmerkungen: |
Date Completed 18.03.2024 Date Revised 18.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1002/lary.31066 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM362640599 |
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| 500 | |a Date Revised 18.03.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2023 The American Laryngological, Rhinological and Otological Society, Inc. | ||
| 520 | |a OBJECTIVE: Determine variables that influence post-activation performance for cochlear implant (CI) recipients who lost low-frequency acoustic hearing | ||
| 520 | |a METHODS: A retrospective review evaluated CNC word recognition for adults with normal to moderately severe low-frequency hearing (preoperative unaided thresholds of ≤70 dB HL at 250 Hz) who were implanted between 2012 and 2021 at a tertiary academic center, lost functional acoustic hearing, and were fit with a CI-alone device. Performance scores were queried from the 1, 3, 6, 12, and 24-month post-activation visits. A linear mixed model evaluated the effects of age at implantation, array length (long vs. mid/short), and preoperative low-frequency hearing (normal to mild, moderate, and moderately severe) on speech recognition with a CI alone | ||
| 520 | |a RESULTS: 113 patients met the inclusion criteria. There was a significant main effect of interval (p < 0.001), indicating improved word recognition post-activation despite loss of residual hearing. There were significant main effects of age (p = 0.029) and array length (p = 0.038), with no effect of preoperative low-frequency hearing (p = 0.171). There was a significant 2-way interaction between age and array length (p = 0.018), indicating that older adults with mid/short arrays performed more poorly than younger adults with long lateral wall arrays when functional acoustic hearing was lost | ||
| 520 | |a CONCLUSION: CI recipients with preoperative functional low-frequency hearing experience a significant improvement in speech recognition with a CI alone as compared to preoperative performance-despite the loss of low-frequency hearing. Age and electrode array length may play a role in post-activation performance. These data have implications for the preoperative counseling and device selection for hearing preservation candidates | ||
| 520 | |a LEVEL OF EVIDENCE: 4 Laryngoscope, 134:1868-1873, 2024 | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a hearing preservation | |
| 650 | 4 | |a low-frequency hearing | |
| 650 | 4 | |a speech perception | |
| 650 | 4 | |a word recognition | |
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| 700 | 1 | |a Overton, Andrea B |e verfasserin |4 aut | |
| 700 | 1 | |a Selleck, A Morgan |e verfasserin |4 aut | |
| 700 | 1 | |a Dedmon, Matthew M |e verfasserin |4 aut | |
| 700 | 1 | |a Brown, Kevin D |e verfasserin |4 aut | |
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