Conservation of Residual Acoustic Hearing After Cochlear Implantation

Bałkany, Thomas J.; Connell, Sarah S.; Hodges, Annelle V.; Payne, Stacy L.; Telischi, Fred F.; Eshraghi, Adrien A.; Angeli, Simón I.; Germani, Ross M.; Messiah, Sarah; Arheart, Kristopher L.

doi:10.1097/01.mao.0000244355.34577.85

Cited by 154 publications

(173 citation statements)

References 12 publications

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“…While Carlson et al (7), reported significantly better word perception scores in CI recipients with preserved residual hearing, Balkany et al (8), D'Elia et al (9), and Cosetti et al (10) could not demonstrate such an effect.…”

mentioning

confidence: 86%

“…This could explain why other studies have reported no significant difference regarding word perception between patients with and without preservation of residual cochlear function. In the studies of Balkany et al (8), D'Elia et al (9), and Cosetti et al (10), the mean postoperative follow-up was 12 months or less. Still, although D'Elia et al found no significant difference in speech perception scores, they did find a correlation between hearing preservation and a larger dynamic range, which has been associated with better word perception in CI users in other studies (21,22).…”

Section: Discussionmentioning

confidence: 99%

“…The assessment of residual acoustic hearing close to the maximum output of the audiometer leads to a ceiling effect causing an underestimation of the postoperative hearing loss and an overestimation of hearing preservation rates. To take this effect into account, different hearing preservation classifications have been proposed (7)(8)(9)(10)15). The advantage of the HEARRING group hearing preservation classification system (11) is that the postoperative PTA is related to the preoperative PTA.…”

Section: Discussionmentioning

confidence: 99%

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Hearing Preservation After Cochlear Implantation May Improve Long-term Word Perception in the Electric-only Condition

Dalbert

Huber

Baumann

et al. 2016

Otology &Amp; Neurotology

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confidence: 86%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Hearing Preservation After Cochlear Implantation May Improve Long-term Word Perception in the Electric-only Condition

Dalbert

Huber

Baumann

et al. 2016

Otology &Amp; Neurotology

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“…Hearing preservation is attempted for all co-chlear implant recipients with residual hearing nowadays [Carlson et al, 2011]. However, complete or partial loss of residual hearing still occurs in the majority of cochlear implant recipients [Anagiotos et al, 2015;Balkany et al, 2006]. The underlying mechanisms behind this hearing loss are controversial.…”

Section: Introductionmentioning

confidence: 99%

Extra- and Intracochlear Electrocochleography in Cochlear Implant Recipients

et al. 2015

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dle ear effusion, led to a decrease in intracochlear ECoG signal amplitudes. This was not attributable to changes of cochlear function. All persistent reductions in ECoG response magnitude after normalization of the tympanogram occurred during the first week following implantation. Thresholds of ECoG signals were at or below hearing thresholds in all cases. Conclusion: Gross intracochlear trauma during surgery appears to be rare. In the early postoperative phase the ability to assess cochlear status by ECoG recordings was limited due to the regular occurrence of middle ear effusion. Still, intracochlear ECoG along with tympanogram recordings suggests that any changes of low-frequency cochlear function occur mainly during the first week after cochlear implantation. ECoG seems to be a promising tool to objectively assess changes in cochlear function in cochlear implant recipients and may allow further insight into the mechanisms underlying the loss of residual hearing.

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“…Any response reported as vibrotactile or questionably vibrotactile was classified as no response. Pure tone averages (PTAs) were calculated for 500, 1,000 and 2,000 Hz frequencies 14 . For speech testing, subjects were seated in a sound-treated room with the CI adjusted to the user's most comfortable listening setting.…”

Section: Postoperative Audiometric Evaluation With CImentioning

confidence: 99%

Cocleostomia transcanal: resultados em longo prazo de um estudo de coorte

Lavinsky‐Wolff

Lavinsky

Dall’Igna

et al. 2012

Braz. j. otorhinolaryngol.

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The combined approach technique (CAT) is a variation of the classical the mastoidectomyposterior tympanotomy technique (MPTA) that combines a transcanal approach to cochleostomy with a reduced posterior tympanotomy for insertion of electrodes. Aim:To compare and evaluate long-term safety and effectiveness outcomes obtained with the CAT and with MPTA approach in patients submitted to cochlear implant (CI) surgery. Design: series study. Methods:Patients who underwent CI using CAT or MPTA at a Brazilian center were followed in a cohort study. Main outcomes were complications,audiometric performance and radiological evaluation of electrode position.Results: Fourty-four patients were implanted using CAT and 31 MPTA. There were no cases of facial nerve paralysis, mastoiditis, cholesteatoma or cerebrospinal fluid leaks after 3.4±1.0 years. Radiological evaluation of electrode position revealed that the median number of electrodes outside the cochlea was 0 in CAT and 3 in MPTA groups (p < 0.001). There were no differences between both surgical approaches in terms of mean pure-tone thresholds with CI at all frequencies. Conclusion:Long-term follow-up data showed that the transcanal route to cochleostomy, combined with a reduced posterior tympanotomy, is a safe alternative approach in cochlear implant surgery, with no related major complications and fewer cases of electrode migration when compared with the MPTA. These findings encourage the use of the transcanal route to cochleostomy as an alternative approach option. Braz J Otorhinolaryngol. 2012;78(2):118-23. ORIGINAL ARTICLE BJORL

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Conservation of Residual Acoustic Hearing After Cochlear Implantation

Cited by 154 publications

References 12 publications

Hearing Preservation After Cochlear Implantation May Improve Long-term Word Perception in the Electric-only Condition

Hearing Preservation After Cochlear Implantation May Improve Long-term Word Perception in the Electric-only Condition

Extra- and Intracochlear Electrocochleography in Cochlear Implant Recipients

Cocleostomia transcanal: resultados em longo prazo de um estudo de coorte

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