Evaluation of Different Phone Solutions in CI and Hearing Aid Users and Bimodal Recipients
NCT ID: NCT03036410
Last Updated: 2017-09-07
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
25 participants
INTERVENTIONAL
2017-02-01
2017-08-21
Brief Summary
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Thus, this comparative study includes hearing aid as well as CI and bimodal users to evaluate different hearing solutions for communication on telephone in terms of intelligibility and ease of use.
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Detailed Description
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* The lack of visual cues (lip-reading),
* The lack of binaural abilities,
* The presence of (loud) background noise in a variety of listening situations,
* A modified speech signal due to reduced frequency bandwidth and
* Difficulties coupling the phone to the CI. For hearing aid users, for instance, the inventions for improving speech intelligibility on the phone range from an integrated tele coil and individual hearing programs to specially designed phone devices.
No formal studies involving these devices have been carried out with CI users.
Thus, this comparative study includes hearing aid as well as CI and bimodal users to evaluate the different hearing solutions for communication on telephone in terms of intelligibility and ease of use:
* Phonak DECT - cordless telephone for HA-, CI- users and bimodal users
* Phonak EasyCall - accessories for Bluetooth capable mobile telephones for HA-, CI- and bimodal users
* Phonak DuoPhone - streaming function, which provides the speech signal to both ears
Conditions
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Study Design
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RANDOMIZED
PARALLEL
OTHER
NONE
Study Groups
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bimodal user
wearing one hearing aid and one CI Intervention: Standard Phone, DECT Phone, Easy Call, Duo Phone
standard telephone setting
without streaming function
DECT
cordless telephone (streaming to both hearing devices)
EasyCall
accessories for Bluetooth capable mobile telephones (streaming to both hearing devices)
DuoPhone
streaming function, which provides the speech signal to both ears
unilateral hearing aid users
wearing one hearing aid Intervention: Standard Phone, DECT Phone, Easy Call, Duo Phone
standard telephone setting
without streaming function
DECT
cordless telephone (streaming to both hearing devices)
EasyCall
accessories for Bluetooth capable mobile telephones (streaming to both hearing devices)
bilateral hearing aid users
wearing two hearing aids Intervention: Standard Phone, DECT Phone, Easy Call, Duo Phone
standard telephone setting
without streaming function
DECT
cordless telephone (streaming to both hearing devices)
EasyCall
accessories for Bluetooth capable mobile telephones (streaming to both hearing devices)
DuoPhone
streaming function, which provides the speech signal to both ears
CI users
wearing CI Intervention: Standard Phone, DECT Phone, Easy Call, Duo Phone
standard telephone setting
without streaming function
DECT
cordless telephone (streaming to both hearing devices)
EasyCall
accessories for Bluetooth capable mobile telephones (streaming to both hearing devices)
DuoPhone
streaming function, which provides the speech signal to both ears
Interventions
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standard telephone setting
without streaming function
DECT
cordless telephone (streaming to both hearing devices)
EasyCall
accessories for Bluetooth capable mobile telephones (streaming to both hearing devices)
DuoPhone
streaming function, which provides the speech signal to both ears
Eligibility Criteria
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Inclusion Criteria
* Bilateral HA users with SRT of better (lower) than 0 dB
* Unilateral CI users:
Unilaterally implanted with an Advanced Bionics CII, HiRes90k or Advantage implant
1-year acclimatization time after implantation at least 20% correct for a sentence test delivered with a SNR of + 10 dB, or a SRT of better (lower) than + 15 dB
* Bimodal (CI + HA) users:
Unilaterally implanted with an Advanced Bionics CII, HiRes90k or Advantage implant CI side: at least 20% correct for a sentence test delivered with a SNR of + 10 dB, or a SRT of better (lower) than + 15 dB HA side: unaided threshold ≤ 80 dB at least for frequencies up to 500 Hz
* All users:
Informed Consent as documented by signature Ability for speech understanding in the presence of competing noise without any assistance from lip-reading Ability to give subjective feedback in a certain listening situation First language: German or Swiss-German
Exclusion Criteria
Difficulties additional to hearing impairment that would interfere with the study procedures Acute inflammation or pain in head-/neck area Dizziness Age of participants \< 18 years Age of participants \> 80 years
18 Years
80 Years
ALL
No
Sponsors
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Advanced Bionics
INDUSTRY
Advanced Bionics AG
INDUSTRY
Responsible Party
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Locations
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University Hospital Zurich, Department of Otorhinolaryngology, Head and Neck Surgery
Zurich, , Switzerland
Countries
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References
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Cray JW, Allen RL, Stuart A, Hudson S, Layman E, Givens GD. An investigation of telephone use among cochlear implant recipients. Am J Audiol. 2004 Dec;13(2):200-12. doi: 10.1044/1059-0889(2004/025).
Anderson I, Baumgartner WD, Boheim K, Nahler A, Arnoldner C, D'Haese P. Telephone use: what benefit do cochlear implant users receive? Int J Audiol. 2006 Aug;45(8):446-53. doi: 10.1080/14992020600690969.
Adams JS, Hasenstab MS, Pippin GW, Sismanis A. Telephone use and understanding in patients with cochlear implants. Ear Nose Throat J. 2004 Feb;83(2):96, 99-100, 102-3.
Picou EM, Ricketts TA. Comparison of wireless and acoustic hearing aid-based telephone listening strategies. Ear Hear. 2011 Mar-Apr;32(2):209-20. doi: 10.1097/AUD.0b013e3181f53737.
Picou EM, Ricketts TA. Efficacy of hearing-aid based telephone strategies for listeners with moderate-to-severe hearing loss. J Am Acad Audiol. 2013 Jan;24(1):59-70. doi: 10.3766/jaaa.24.1.7.
Other Identifiers
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AK-KEK-2016-01853
Identifier Type: -
Identifier Source: org_study_id
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