Trial reportActa oto-laryngologica2014
Hearing preservation and clinical outcome of 32 consecutive electric acoustic stimulation (EAS) surgeries.
Trial report in Acta oto-laryngologica, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
21 citing papers in PubMed, 67 citations in OpenAlex.
- Influence of Electric Frequency-to-Place Mismatches on the Early Speech Recognition Outcomes for Electric-Acoustic Stimulation Users.American journal of audiology · 2023Trial
- Multicenter US Clinical Trial With an Electric-Acoustic Stimulation (EAS) System in Adults: Final Outcomes.Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology · 2018Trial
- Use of the FLEX 28 Dexamethasone-Eluting Cochlear Implant Electrode in Electric-Acoustic Stimulation: A Case Report.Audiology research · 2025Article
- Tympanic Pre-Operative Electrically Evoked Auditory Late Response (TympEALR) as an Alternative to Trans-Tympanic Tests Using Anesthesia in Cochlear Implant Candidacy.Journal of clinical medicine · 2024Article
- Conversations in Cochlear Implantation: The Inner Ear Therapy of Today.Biomolecules · 2022Review
- Systematic Literature Review of Hearing Preservation Rates in Cochlear Implantation Associated With Medium- and Longer-Length Flexible Lateral Wall Electrode Arrays.Frontiers in surgery · 2022Review
- Milestones toward cochlear gene therapy for patients with hereditary hearing loss.Laryngoscope investigative otolaryngology · 2021Review
- Vestibular Preservation After Cochlear Implantation Using the Round Window Approach.Frontiers in neurology · 2021Article
- Speech masking release in Hybrid cochlear implant users: Roles of spectral and temporal cues in electric-acoustic hearing.The Journal of the Acoustical Society of America · 2020Article
- Low-Frequency Hearing Preservation With Long Electrode Arrays: Inclusion of Unaided Hearing Threshold Assessment in the Postoperative Test Battery.American journal of audiology · 2020Article
- Long-term residual hearing in cochlear implanted adult patients who were candidates for electro-acoustic stimulation.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2020Article
- Hearing Preservation With the Use of Flex20 and Flex24 Electrodes in Patients With Partial Deafness.Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology · 2019Article
- Surgical approach for complete cochlear coverage in EAS-patients after residual hearing loss.PloS one · 2019Article
- Delayed loss of hearing after hearing preservation cochlear implantation: Human temporal bone pathology and implications for etiology.Hearing research · 2016Article
- Effects of Removing Low-Frequency Electric Information on Speech Perception With Bimodal Hearing.Journal of speech, language, and hearing research : JSLHR · 2016Article
- Insertion trauma and recovery of function after cochlear implantation: Evidence from objective functional measures.Hearing research · 2015Article
- Effects of intraoperatively applied glucocorticoid hydrogels on residual hearing and foreign body reaction in a guinea pig model of cochlear implantation.Acta oto-laryngologica · 2015Article
- The advantages of sound localization and speech perception of bilateral electric acoustic stimulation.Acta oto-laryngologica · 2015Article
- Article
- Frequency-to-Place Mismatch: Characterizing Variability and the Influence on Speech Perception Outcomes in Cochlear Implant Recipients.Ear and hearingArticle
Corrections and comments
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Authors and funding
12 authors at 7 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
conclusionsOur results indicated that electric acoustic stimulation (EAS) is beneficial for Japanese-speaking patients, including those with less residual hearing at lower frequencies. Comparable outcomes for the patients with less residual hearing indicated that current audiological criteria for EAS could be expanded. Successful hearing preservation results, together with the progressive nature of loss of residual hearing in these patients, mean that minimally invasive full insertion of medium/long electrodes in cochlear implantation (CI) surgery is a desirable solution. The minimally invasive concepts that have been obtained through EAS surgery are, in fact, crucial for all CI patients.
objectivesThis study was conducted to evaluate hearing preservation results and speech discrimination outcomes of hearing preservation surgeries using medium/long electrodes.
methodsA total of 32 consecutive minimally invasive hearing preservation CIs (using a round window approach with deep insertion of a flexible electrode) were performed in 30 Japanese patients (two were bilateral cases), including patients with less residual hearing. Hearing preservation rates as well as speech discrimination/perception scores were investigated on a multicenter basis.
resultsPostoperative evaluation after full insertion of the flexible electrodes (24 mm, 31.5 mm) showed that residual hearing was well preserved in all 32 ears. In all patients, speech discrimination and perception scores were improved postoperatively.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.