| Electric acoustic stimulation of the auditory system: experience and results of ten patients using MED-EL's M and FlexEAS electrodes. | |
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MedLine Citation:
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PMID: 20636737 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To evaluate the hearing preservation rate and speech perception scores in patients with profound high frequency hearing loss and acoustically aidable low frequency hearing, managed with the MED-EL electric acoustic stimulation system referenced to the insertion depth of the electrode array. STUDY DESIGN: Retrospective data analysis. PARTICIPANTS AND SETTING: Ten patients implanted at the Auditory Implant Centre, Guy's and St Thomas's Hospital, London, UK. MAIN OUTCOME MEASURES: Pure tone audiometry, speech perception tests and electrode insertion depth angle. RESULTS: Postoperatively, functional hearing preservation allowing electric acoustic stimulation was achieved in eight patients and total preservation of residual hearing in five patients with follow-up periods of more than 12 months. Three of four (75%) patients with an insertion depth of >360 degrees had a threshold shift of >25 dB, and all four patients had a threshold shift of >10 dB. All patients with total hearing preservation had the electrode inserted up to 360 degrees at maximum. Overall, speech perception outcomes increased significantly and hearing impairment was significantly reduced after electric acoustic stimulation or electric stimulation alone as compared with the preoperative scores. CONCLUSION: Electric acoustic stimulation provides significant benefit to individuals with profound high frequency hearing loss. Studies with larger number of patients are needed to establish the optimal electrode insertion angle as well as to further analyse the benefit of electric acoustic stimulation. |
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Authors:
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A Lee; D Jiang; S McLaren; T Nunn; J M Demler; J R Tysome; S Connor; A Fitzgerald O'Connor |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery Volume: 35 ISSN: 1749-4486 ISO Abbreviation: Clin Otolaryngol Publication Date: 2010 Jun |
Date Detail:
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Created Date: 2010-07-19 Completed Date: 2010-11-04 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101247023 Medline TA: Clin Otolaryngol Country: England |
Other Details:
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Languages: eng Pagination: 190-7 Citation Subset: IM |
Affiliation:
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Auditory Implant Centre, Guy's and St. Thomas' NHS Trust, London, UK. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Acoustic Stimulation
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instrumentation* Adult Aged Audiometry Electric Stimulation / instrumentation* Electrodes, Implanted* Female Follow-Up Studies Hearing Loss, Bilateral / physiopathology, radiography, therapy* Humans Male Middle Aged Prosthesis Design Retrospective Studies Speech Perception / physiology* Tomography, X-Ray Computed Treatment Outcome Young Adult |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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