cochlear-implants
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Cochlear implants

Cochlear implants

Last Reviewed : 12/25/2020
Cochlear  implants

A cochlear implant (CI) is a surgically implanted electronic device that provides a sense of sound to a person who is profoundly deaf or severely hard of hearing in both ears. Cochlear implants bypass the normal hearing process; they have a microphone and some electronics that reside outside the skin, generally behind the ear, which transmits a signal to an array of electrodes placed in the cochlea, which stimulate the cochlear nerve.

The procedure in which the device is implanted is usually done under general anesthesia. Risks of the procedures includemastoiditis, otitis media (acute or with effusion), shifting of the implanted device requiring a second procedure, damage to the facial nerve, damage to the chorda tympani, and wound infections. People may experience problems with dizziness and balance for up to a few months after the procedure; these problems generally resolve, but for people over 70, they tend not to.

Evidence is of low to moderate quality that when CIs are implanted in both ears at the same time, they improve hearing in noisy places for people with severe loss of hearing but other measures are mixed. Implanting the CIs sequentially instead of simultaneously makes things worse or causes no change. There is some evidence that implanting CIs to improve hearing, may also improve tinnitus but there is some risk that it may cause people who never had tinnitus to get it.

There is some controversy around the devices; much of the strongest objection to cochlear implants has come from the Deaf community, which consists largely of pre-lingually deaf people whose first language is a sign language. For some in the Deaf community, cochlear implants are an affront to their culture, which as they view it, is a minority threatened by the hearing majority.

 

We researched this topic for you and found the following best online resources. They are categorized into basic, advanced, and research level based on the extent of information you need. You will be taken to the respective websites by pressing on the links below.

 

Basic information:

http://www.cochlear.com/wps/wcm/connect/in/home/understand/hearing-and-hl/hl-treatments/cochlear-implant cochlear.com about hearing cochlear implant benefits & working

https://www.nidcd.nih.gov/health/cochlear-implants national institute on deafness and other communication disorders cochlear implants

http://www.asha.org/public/hearing/cochlear-implant/ amrican speech language hearing association cochlear implants

http://kidshealth.org/en/parents/cochlear.html kids health.org what is a cochlear implant?

http://www.webmd.com/healthy-aging/understanding-cochlear-implants cochlear implant

http://www.fda.gov/medicaldevices/productsandmedicalprocedures/implantsandprosthetics/cochlearimplants/ us food and drug administration cochlear implant

http://www.healthyhearing.com/help/hearing-aids/cochlear-implants healthy hearing cochlear implant

http://www.hearinglink.org/your-hearing/implants/cochlear-implants/what-is-a-cochlear-implant/ hearing link.org what is a cochlear implant?

http://www.hearingloss.org/content/cochlear-implants hearing loss association of america cochlear implant

http://umm.edu/programs/hearing/services/cochlear-implant university of maryland medical center cochlear implant

http://www.babyhearing.org/hearingamplification/cochlear/whathow.asp baby hearing.org cochlear implant

http://www.entnet.org/content/cochlearimplants american academy of otolaryngology – head and neck surgery cochlear implant

http://www.mayoclinic.org/tests-procedures/cochlear-implants/basics/definition/prc-20021470 cochlear implant

http://www.earfoundation.org.uk/hearing-technologies/cochlear-implants ear foundation.org cochlear implant

https://www.audiology.org.nz/about-cochlear-implants.aspx new zealand audiological society cochlear implant

https://my.clevelandclinic.org/health/drugs_devices_supplements/hic-cochlear-implants cochlear implant

https://www.verywell.com/cochlear-implant-surgery-1048484 very well cochlear implant surgery

http://www.nhs.uk/conditions/hearing-impairment/pages/treatment.aspx nhs uk treating hearing loss

 

Advanced information:

http://emedicine.medscape.com/article/857164-overview medscape indications for cochlear implants

http://www.advancedbionics.com/com/en/your_journey/what_is_a_cochlearimplantsystem.html advanced bionics cochlear implant

http://www.dizziness-and-balance.com/disorders/hearing/hearing-aids/vertigo_cochlear_implant.html dizziness and balance.com vertigo from cochlear implants (ci)

http://biomed.brown.edu/courses/bi108/bi108_2001_groups/cochlear_implants/history.html history of cochlear implants

http://www.cdc.gov/vaccines/vpd-vac/mening/cochlear/dis-cochlear-gen.htm use of vaccines to prevent meningitis in persons with cochlear implants

https://nad.org/issues/technology/assistive-listening/cochlear-implants national association for deaf nad position statement on cochlear implants (2000)

http://www.deafblind.com/cochlear.html deaf blind.com cochlear implant.

http://www.mrisafety.com/safetyinfov.asp?safetyinfoid=170 mri safety.com cochlear implants

Nyu langone medical center / new york university school of medicine. "early evidence suggests hybrid cochlear implants may benefit millions with common form of hearing loss: multicenter study shows that device leads to major improvements in hearing, speech recognition." sciencedaily. Sciencedaily, 28 july 2015. Www.sciencedaily.com/releases/2015/07/150728120202.htm .

http://www.earsurgery.org/surgery/cochlear-implants/ ear surgry information center cochlear implant

http://patient.info/doctor/cochlear-implants patient cochlear implant

https://www.unitedhealthcareonline.com/ccmcontent/providerii/uhc/en-us/assets/providerstaticfiles/providerstaticfilespdf/tools%20and%20resources/policies%20and%20protocols/medical%20policies/medical%20policies/cochlear_implants.pdfunited health care cochlear implants

http://radiopaedia.org/articles/cochlear-implant radiopedia cochlear implant

http://www.auditoryverbaltraining.com/ha-ci.htm advantages & disadvantages: hearing aids vs. Cochlear implants for those with severe hearing loss by personal thoughts of ellen a. Rhoades

http://bme.usc.edu/assets/003/49629.pdf are cochlear implant patients suffering from perceptual dissonance? By gerald e. Loeb, m.d. (ear & hearing 2005;26;435– 450

http://www.britannica.com/topic/cochlear-implant britannica cochlear implant

 

Research:

Bajwa ss, kulshrestha a. The cochlear implantation surgery: a review of anesthetic considerations and implications. Int j health allied sci [serial online] 2013 [cited 2016 may 26];2:225-9. Available from: http://www.ijhas.in/text.asp?2013/2/4/225/126698

Tanamati lf, costa oa, bevilacqua mc. Long-term results by using cochlear implants on children: systematic review. Int. Arch. Otorhinolaryngol. 2011;15(3):365-375 http://www.internationalarchivesent.org/conteudo/acervo_eng.asp?id=792

Al sabellha rm, hager a. The value of torch screening in children with bilateral profound sensorineural hearing loss. Indian j otol [serial online] 2012 [cited 2016 may 26];18:62-4. Available from: http://www.indianjotol.org/text.asp?2012/18/2/62/100696

http://www.scielo.br/scielo.php?script=sci_arttext&pid=s1678-77572011000600002 j. Appl. Oral sci. Vol.19 no.6 bauru nov./dec. 2011 http://dx.doi.org/10.1590/s1678-77572011000600002 systematic review:instruments to assess the oral language of children fitted with a cochlear implant: a systematic review by mariane perin da silva et al.,

http://www.scielo.br/scielo.php?script=sci_arttext&pid=s1808-86942015000100085&lng=en&tlng=en braz. J. Otorhinolaryngol. Vol.81 no.1 são paulo jan./feb. 2015 http://dx.doi.org/10.1016/j.bjorl.2014.10.003 review articles:performance of hearing skills in children with auditory neuropathy spectrum disorder using cochlear implant: a systematic review by nayara freitas fernandes et al.,

http://journal.frontiersin.org/article/10.3389/fneng.2010.00112/full review article front. Neuroeng., 15 october 2010 | http://dx.doi.org/10.3389/fneng.2010.00112 neuroengineering tools/applications for bidirectional interfaces, brain–computer interfaces, and neuroprosthetic implants – a review of recent progress by ryan mark rothschild et al.,

http://journal.frontiersin.org/article/10.3389/fpsyg.2013.00263/full review article front. Psychol., 14 may 2013 | http://dx.doi.org/10.3389/fpsyg.2013.00263 training to improve language outcomes in cochlear implant recipients by erin m. Ingvalson et al.,

http://www.internationalarchivesent.org/additional/acervo_eng.asp?id=1293 bittencourt ag, torre aagd, bento rf, tsuji rk, brito r. Prelingual deafness: benefits from cochlear implants versus conventional hearing aids. Int. Arch. Otorhinolaryngol. 2012;16(3):387-390

http://www.internationalarchivesent.org/additional/acervo_eng.asp?id=1313 martins mbb, lima fvf, júnior rcs, santos acg, barreto vmp, jesus epf, et al. Cochlear implants: our experience and literature review. Int. Arch. Otorhinolaryngol. 2012;16(4):476-481

http://journal.frontiersin.org/article/10.3389/fnsys.2013.00092/full review article front. Syst. Neurosci., 26 november 2013 | http://dx.doi.org/10.3389/fnsys.2013.00092 functional and structural changes throughout the auditory system following congenital and early-onset deafness: implications for hearing restoration by blake e. Butler et al.,

http://journal.frontiersin.org/article/10.3389/fpsyg.2013.00664/full review article front. Psychol., 26 september 2013 | http://dx.doi.org/10.3389/fpsyg.2013.00664 sensitive and critical periods in visual sensory deprivation by patrice voss.

http://pediatrics.aappublications.org/content/116/4/e487 pediatrics october 2005, volume 116 / issue 4 cochlear implantation in children younger than 12 months by susan b. Waltzman, j. Thomas roland, jr

http://www.scielo.br/scielo.php?script=sci_arttext&pid=s0100-39842013000300163 radiol bras vol.46 no.3 são paulo may/june 2013 http://dx.doi.org/10.1590/s0100-39842013000300010 review article cochlear implant: what the radiologist should know by natália delage gomes et al.,

http://cirrie.buffalo.edu/encyclopedia/en/article/293/ quality of life among cochlear implant recipients

 

Other helpful resources(support groups):

http://www.cicsgroup.org/ cochlear implant childrens support group

 

Related videos:

https://www.youtube.com/watch?v=zeg4qtnyopw how a cochlear implant works by advanced bionics

https://www.khanacademy.org/science/health-and-medicine/nervous-system-and-sensory-infor/sound-audition-2014-03-27t18:45:45.806z/v/cochlear-implant

https://www.youtube.com/watch?v=mbe7x8gp2ds cochlear implants: people hearing for the first time!

https://www.youtube.com/watch?v=i8ehquhr52s cochlear implant surgery thomas jefferson

https://www.youtube.com/watch?v=spkkybkj9hw cochlear implant: simulation on speech and music

https://www.youtube.com/watch?v=iwbwhfcws2q simulation of cochlear implants

 

Presentations/quiz/newspaper articles:

http://www.theatlantic.com/health/archive/2013/08/understanding-deafness-not-everyone-wants-to-be-fixed/278527/understanding deafness: not everyone wants to be 'fixed'

http://timesofindia.indiatimes.com/business/india-business/cost-of-cochlear-implant-operation-may-go-down-to-rs-1-lakh/articleshow/51568005.cms cost of cochlear implant operation may go down to rs 1 lakh

http://www.wsj.com/articles/sb10001424127887324492604579082911107374876 what cochlear implants did for my son

http://www.thehindu.com/news/cities/madurai/cochlear-implants-done-at-madurai-grh/article8165936.ece cochlear implants done at madurai grh

http://www.reuters.com/article/us-health-depression-hearing-iduskcn0yb1lk depression symptoms may improve with cochlear implants

https://www.insidescience.org/content/infants-may-benefit-advanced-cochlear-implants/1645 infants may benefit from advanced cochlear implants

http://www.slideshare.net/vijaymohan10/cochlear-implant-2506535 cochlear implants - an introduction r.ranjith audiologist madras ent research foundation chennai

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