Acoustic plus electric speech processing: Long‐term results

Gantz, Bruce J.; Dunn, Camille; Oleson, Jacob; Hansen, Marlan R.

doi:10.1002/lary.26669

Cited by 55 publications

(55 citation statements)

References 43 publications

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“…More recent research has suggested that the use of acoustic information at and below 500 Hz is sufficient for providing the benefits of E+A stimulation described above. Table provides a summary of residual hearing using a three‐frequency LF PTA at 125 to 500 Hz, with the same 90 dB HL cutoff.…”

Section: Resultsmentioning

confidence: 99%

“…Gantz et al recently reported that residual hearing could be preserved up to 15 years after Hybrid S8/S12 (Cochlear) device activation and up to 7 years in the case of Hybrid L24 (Cochlear). These authors examined results in subjects with the S8, S12, and L24 electrode arrays (S8 and S12 are 10‐mm electrode arrays, relative to the 16‐mm L24 array) and documented functional hearing in 83%, 92%, and 86% of subjects, respectively, at the most recent evaluation.…”

Section: Discussionmentioning

confidence: 99%

“…Using these historical definitions, 72% of subjects had functional hearing; 94% had measurable hearing; and 6% had a total loss at 5 years postactivation. More recent research 18,19 has suggested that the use of acoustic information at and below 500 Hz is sufficient for providing the benefits of E1A stimulation described above. Table II provides a summary of residual hearing using a three-frequency LF PTA at 125 to 500 Hz, with the same 90 dB HL cutoff.…”

Section: Audiometric Thresholdsmentioning

confidence: 99%

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Long‐term outcomes of cochlear implantation in patients with high‐frequency hearing loss

Roland¹,

Gantz

Waltzman³

et al. 2018

The Laryngoscope

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Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Audiometric Thresholdsmentioning

confidence: 99%

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Long‐term outcomes of cochlear implantation in patients with high‐frequency hearing loss

Roland¹,

Gantz

Waltzman³

et al. 2018

The Laryngoscope

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“…Other manufacturers have also taken advantage of design features conducive to hearing preservation such as shorter, thinner and softer electrodes [18]. The MSE is somewhat shorter than its predecessor the 1j electrode (18.5 mm vs. 23 mm of intracochlear insertion length) [19], but due to its intended mid-scalar location the target insertion angle, according to the manufacturer’s claim, is comparable for both electrodes (420° for the MSE and 400° to 500° for the 1j) [19].…”

Section: Introductionmentioning

confidence: 99%

Initial Operative Experience and Short-term Hearing Preservation Results With a Mid-scala Cochlear Implant Electrode Array

Svrakic

Roland²,

McMenomey³

et al. 2016

Otology &Amp; Neurotology

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OBJECTIVE To describe our initial operative experience and hearing preservation results with the Advanced Bionics (AB) Mid Scala Electrode (MSE) STUDY DESIGN Retrospective review. SETTING Tertiary referral center. PATIENTS Sixty-three MSE implants in pediatric and adult patients were compared to age- and gender-matched 1j electrode implants from the same manufacturer. All patients were severe to profoundly deaf. INTERVENTION Cochlear implantation with either the AB 1j electrode or the AB MSE. MAIN OUTCOME MEASURES The MSE and 1j electrode were compared in their angular depth of insertion (aDOI) and pre- to post-operative change in hearing thresholds. Hearing preservation was analyzed as a function of aDOI. Secondary outcome measures included operative time, incidence of abnormal intraoperative impedance and telemetry values, and incidence of postsurgical complications. RESULTS Depth of insertion was similar for both electrodes, but was more consistent for the MSE array and more variable for the 1j array. Patients with MSE electrodes had better hearing preservation. Thresholds shifts at four audiometric frequencies ranging from 250 to 2,000 Hz were 10 dB, 7 dB, 2 dB and 6 dB smaller for the MSE electrode than for the 1j (p<0.05). Hearing preservation at low frequencies was worse with deeper insertion, regardless of array. Secondary outcome measures were similar for both electrodes. CONCLUSIONS The MSE electrode resulted in more consistent insertion depth and somewhat better hearing preservation than the 1j electrode. Differences in other surgical outcome measures were small or unlikely to have a meaningful effect.

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“…Expansion of CI indications has resulted in an increasing number of patients with residual hearing receiving CIs . In this setting, preservation of residual hearing has become a clinical priority, and mechanisms by which this goal can be accomplished have become an area of intense focus.…”

Section: Discussionmentioning

confidence: 99%

Supporting cell survival after cochlear implant surgery

DeTorres

Olszewski²,

López

et al. 2018

The Laryngoscope

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Supporting cells (SCs) provide structure and maintain an environment that allows hair cells to receive and transmit signals in the auditory pathway. After insult to hair cells and ganglion cells, SCs respond by marking unsalvageable cells for death and maintain structural integrity. While the histopathology after cochlear implantation has been described regarding hair cells and neural structures, surviving SCs in the implanted ear has not. We present a patient whose posthumous examination of an implanted cochlea demonstrated SC survival. This finding has implications for SC function in maintaining electrical hearing and candidacy for future hair cell regeneration therapies.

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Acoustic plus electric speech processing: Long‐term results

Abstract: 2C. Laryngoscope, 128:473-481, 2018.

Cited by 55 publications

References 43 publications

Long‐term outcomes of cochlear implantation in patients with high‐frequency hearing loss

Long‐term outcomes of cochlear implantation in patients with high‐frequency hearing loss

Initial Operative Experience and Short-term Hearing Preservation Results With a Mid-scala Cochlear Implant Electrode Array

Supporting cell survival after cochlear implant surgery

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