Using evoked compound action potentials to assess activation of electrodes and predict C-levels in the Tempo+ cochlear implant speech processor.
Identifieur interne : 000652 ( Ncbi/Merge ); précédent : 000651; suivant : 000653Using evoked compound action potentials to assess activation of electrodes and predict C-levels in the Tempo+ cochlear implant speech processor.
Auteurs : Isaac Alvarez [Espagne] ; Angel De La Torre ; Manuel Sainz ; Cristina Roldán ; Hansjoerg Schoesser ; Philipp SpitzerSource :
- Ear and hearing [ 1538-4667 ] ; 2010.
Descripteurs français
- KwdFr :
- Adolescent, Adulte, Adulte d'âge moyen, Analyse de panne d'appareillage, Conception de prothèse, Enfant, Enfant d'âge préscolaire, Essayage de prothèse, Femelle, Humains, Implants cochléaires, Jeune adulte, Mâle, Nerf cochléaire (physiopathologie), Nourrisson, Potentiels évoqués auditifs (physiologie), Reproductibilité des résultats, Seuil auditif (physiologie), Sujet âgé, Surdité (), Surdité (physiopathologie), Surdité (rééducation et réadaptation), Électrodes implantées.
- MESH :
- physiologie : Potentiels évoqués auditifs, Seuil auditif.
- physiopathologie : Nerf cochléaire, Surdité.
- rééducation et réadaptation : Surdité.
- Adolescent, Adulte, Adulte d'âge moyen, Analyse de panne d'appareillage, Conception de prothèse, Enfant, Enfant d'âge préscolaire, Essayage de prothèse, Femelle, Humains, Implants cochléaires, Jeune adulte, Mâle, Nourrisson, Reproductibilité des résultats, Sujet âgé, Surdité, Électrodes implantées.
English descriptors
- KwdEn :
- Adolescent, Adult, Aged, Auditory Threshold (physiology), Child, Child, Preschool, Cochlear Implants, Cochlear Nerve (physiopathology), Deafness (congenital), Deafness (physiopathology), Deafness (rehabilitation), Electrodes, Implanted, Equipment Failure Analysis, Evoked Potentials, Auditory (physiology), Female, Humans, Infant, Male, Middle Aged, Prosthesis Design, Prosthesis Fitting, Reproducibility of Results, Young Adult.
- MESH :
- congenital : Deafness.
- physiology : Auditory Threshold, Evoked Potentials, Auditory.
- physiopathology : Cochlear Nerve, Deafness.
- rehabilitation : Deafness.
- Adolescent, Adult, Aged, Child, Child, Preschool, Cochlear Implants, Electrodes, Implanted, Equipment Failure Analysis, Female, Humans, Infant, Male, Middle Aged, Prosthesis Design, Prosthesis Fitting, Reproducibility of Results, Young Adult.
Abstract
In this study, we analyze how electrically evoked compound action potential (ECAP) responses can be used to assess whether electrodes should be activated in the map and to estimate C levels in the Med-El Tempo+ Cochlear Implant Speech Processor.
DOI: 10.1097/AUD.0b013e3181bdb88f
PubMed: 19838116
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pubmed:19838116Le document en format XML
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last="Sainz">Manuel Sainz</name></author><author><name sortKey="Roldan, Cristina" sort="Roldan, Cristina" uniqKey="Roldan C" first="Cristina" last="Roldán">Cristina Roldán</name></author><author><name sortKey="Schoesser, Hansjoerg" sort="Schoesser, Hansjoerg" uniqKey="Schoesser H" first="Hansjoerg" last="Schoesser">Hansjoerg Schoesser</name></author><author><name sortKey="Spitzer, Philipp" sort="Spitzer, Philipp" uniqKey="Spitzer P" first="Philipp" last="Spitzer">Philipp Spitzer</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2010">2010</date><idno type="doi">10.1097/AUD.0b013e3181bdb88f</idno><idno type="RBID">pubmed:19838116</idno><idno type="pmid">19838116</idno><idno type="wicri:Area/PubMed/Corpus">000355</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000355</idno><idno type="wicri:Area/PubMed/Curation">000355</idno><idno type="wicri:explorRef" wicri:stream="PubMed" 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sortKey="De La Torre, Angel" sort="De La Torre, Angel" uniqKey="De La Torre A" first="Angel" last="De La Torre">Angel De La Torre</name></author><author><name sortKey="Sainz, Manuel" sort="Sainz, Manuel" uniqKey="Sainz M" first="Manuel" last="Sainz">Manuel Sainz</name></author><author><name sortKey="Roldan, Cristina" sort="Roldan, Cristina" uniqKey="Roldan C" first="Cristina" last="Roldán">Cristina Roldán</name></author><author><name sortKey="Schoesser, Hansjoerg" sort="Schoesser, Hansjoerg" uniqKey="Schoesser H" first="Hansjoerg" last="Schoesser">Hansjoerg Schoesser</name></author><author><name sortKey="Spitzer, Philipp" sort="Spitzer, Philipp" uniqKey="Spitzer P" first="Philipp" last="Spitzer">Philipp Spitzer</name></author></analytic><series><title level="j">Ear and hearing</title><idno type="eISSN">1538-4667</idno><imprint><date when="2010" type="published">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adolescent</term><term>Adult</term><term>Aged</term><term>Auditory Threshold (physiology)</term><term>Child</term><term>Child, Preschool</term><term>Cochlear Implants</term><term>Cochlear Nerve (physiopathology)</term><term>Deafness (congenital)</term><term>Deafness (physiopathology)</term><term>Deafness (rehabilitation)</term><term>Electrodes, Implanted</term><term>Equipment Failure Analysis</term><term>Evoked Potentials, Auditory (physiology)</term><term>Female</term><term>Humans</term><term>Infant</term><term>Male</term><term>Middle Aged</term><term>Prosthesis Design</term><term>Prosthesis Fitting</term><term>Reproducibility of Results</term><term>Young Adult</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adolescent</term><term>Adulte</term><term>Adulte d'âge moyen</term><term>Analyse de panne d'appareillage</term><term>Conception de prothèse</term><term>Enfant</term><term>Enfant d'âge préscolaire</term><term>Essayage de prothèse</term><term>Femelle</term><term>Humains</term><term>Implants cochléaires</term><term>Jeune adulte</term><term>Mâle</term><term>Nerf cochléaire (physiopathologie)</term><term>Nourrisson</term><term>Potentiels évoqués auditifs (physiologie)</term><term>Reproductibilité des résultats</term><term>Seuil auditif (physiologie)</term><term>Sujet âgé</term><term>Surdité ()</term><term>Surdité (physiopathologie)</term><term>Surdité (rééducation et réadaptation)</term><term>Électrodes implantées</term></keywords><keywords scheme="MESH" qualifier="congenital" xml:lang="en"><term>Deafness</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Potentiels évoqués auditifs</term><term>Seuil auditif</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Auditory Threshold</term><term>Evoked Potentials, Auditory</term></keywords><keywords scheme="MESH" qualifier="physiopathologie" xml:lang="fr"><term>Nerf cochléaire</term><term>Surdité</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Cochlear Nerve</term><term>Deafness</term></keywords><keywords scheme="MESH" qualifier="rehabilitation" xml:lang="en"><term>Deafness</term></keywords><keywords scheme="MESH" qualifier="rééducation et réadaptation" xml:lang="fr"><term>Surdité</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adolescent</term><term>Adult</term><term>Aged</term><term>Child</term><term>Child, Preschool</term><term>Cochlear Implants</term><term>Electrodes, Implanted</term><term>Equipment Failure Analysis</term><term>Female</term><term>Humans</term><term>Infant</term><term>Male</term><term>Middle Aged</term><term>Prosthesis Design</term><term>Prosthesis Fitting</term><term>Reproducibility of Results</term><term>Young Adult</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adolescent</term><term>Adulte</term><term>Adulte d'âge moyen</term><term>Analyse de panne d'appareillage</term><term>Conception de prothèse</term><term>Enfant</term><term>Enfant d'âge préscolaire</term><term>Essayage de prothèse</term><term>Femelle</term><term>Humains</term><term>Implants cochléaires</term><term>Jeune adulte</term><term>Mâle</term><term>Nourrisson</term><term>Reproductibilité des résultats</term><term>Sujet âgé</term><term>Surdité</term><term>Électrodes implantées</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In this study, we analyze how electrically evoked compound action potential (ECAP) responses can be used to assess whether electrodes should be activated in the map and to estimate C levels in the Med-El Tempo+ Cochlear Implant Speech Processor.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">19838116</PMID><DateCreated><Year>2009</Year><Month>12</Month><Day>30</Day></DateCreated><DateCompleted><Year>2010</Year><Month>03</Month><Day>29</Day></DateCompleted><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1538-4667</ISSN><JournalIssue CitedMedium="Internet"><Volume>31</Volume><Issue>1</Issue><PubDate><Year>2010</Year><Month>Feb</Month></PubDate></JournalIssue><Title>Ear and hearing</Title><ISOAbbreviation>Ear Hear</ISOAbbreviation></Journal><ArticleTitle>Using evoked compound action potentials to assess activation of electrodes and predict C-levels in the Tempo+ cochlear implant speech processor.</ArticleTitle><Pagination><MedlinePgn>134-45</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1097/AUD.0b013e3181bdb88f</ELocationID><Abstract><AbstractText Label="OBJECTIVE" NlmCategory="OBJECTIVE">In this study, we analyze how electrically evoked compound action potential (ECAP) responses can be used to assess whether electrodes should be activated in the map and to estimate C levels in the Med-El Tempo+ Cochlear Implant Speech Processor.</AbstractText><AbstractText Label="DESIGN" NlmCategory="METHODS">ECAP thresholds were measured using the ECAP Recording System of the Pulsar CI implant. Twenty-one postlingually and 28 prelingually deafened patients participated in this study. The relationship between ECAP responses and the activation of electrodes was analyzed. Because an error in the estimation of T levels (behavioral thresholds) has less effect on hearing quality than an error in the estimation of C levels in the Tempo+ cochlear implant speech processor (maximum comfort levels), correlation and regression analyses were performed between ECAP thresholds and C levels.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">The observation of an evoked potential generally implied that the electrode was activated because only 3.5% of electrodes that yielded measurable evoked responses were deactivated, because of collateral stimulations or an unpleasant hearing sensation. In contrast, the absence of an evoked potential did not imply that an electrode should be deactivated, because 20% of these electrodes provided a useful auditory sensation. ECAP responses did not predict the absolute behavioral comfort levels because of the excessive error between behavioral C levels and those derived from ECAP thresholds (the mean relative error is 43.78%). However, by applying a normalization procedure, ECAP measurements allowed the C-level profile to be predicted with a mean relative error of 6%; that is, they provided useful data to determine the C level of each electrode relative to the average C level of the patient.</AbstractText><AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">ECAP is a reliable and an useful objective measurement that can assist in the fitting of the Tempo+ cochlear implant speech processor. From results presented in this work, a protocol is proposed for fitting this cochlear implant system. This protocol facilitates appropriate cochlear implant fitting, particularly for children or uncooperative patients.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Alvarez</LastName><ForeName>Isaac</ForeName><Initials>I</Initials><AffiliationInfo><Affiliation>Department of Signal Theory, Telematics and Communications, University of Granada, Granada, Spain 18071.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>de la Torre</LastName><ForeName>Angel</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Sainz</LastName><ForeName>Manuel</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Roldán</LastName><ForeName>Cristina</ForeName><Initials>C</Initials></Author><Author ValidYN="Y"><LastName>Schoesser</LastName><ForeName>Hansjoerg</ForeName><Initials>H</Initials></Author><Author ValidYN="Y"><LastName>Spitzer</LastName><ForeName>Philipp</ForeName><Initials>P</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Ear Hear</MedlineTA><NlmUniqueID>8005585</NlmUniqueID><ISSNLinking>0196-0202</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000293">Adolescent</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000328">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000368">Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D001309">Auditory Threshold</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D002648">Child</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D002675">Child, Preschool</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D003054">Cochlear Implants</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D003056">Cochlear Nerve</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000503">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D003638">Deafness</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000151">congenital</QualifierName><QualifierName MajorTopicYN="N" UI="Q000503">physiopathology</QualifierName><QualifierName MajorTopicYN="Y" UI="Q000534">rehabilitation</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D004567">Electrodes, Implanted</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D019544">Equipment Failure Analysis</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005072">Evoked Potentials, Auditory</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005260">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006801">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D007223">Infant</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008297">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008875">Middle Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D011474">Prosthesis Design</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D017755">Prosthesis Fitting</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D015203">Reproducibility of Results</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D055815">Young Adult</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2009</Year><Month>10</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2009</Year><Month>10</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2010</Year><Month>3</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="doi">10.1097/AUD.0b013e3181bdb88f</ArticleId><ArticleId IdType="pubmed">19838116</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Espagne</li></country><region><li>Andalousie</li></region><settlement><li>Grenade (Espagne)</li></settlement><orgName><li>Université de Grenade</li></orgName></list><tree><noCountry><name sortKey="De La Torre, Angel" sort="De La Torre, Angel" uniqKey="De La Torre A" first="Angel" last="De La Torre">Angel De La Torre</name><name sortKey="Roldan, Cristina" sort="Roldan, Cristina" uniqKey="Roldan C" first="Cristina" last="Roldán">Cristina Roldán</name><name sortKey="Sainz, Manuel" sort="Sainz, Manuel" uniqKey="Sainz M" first="Manuel" last="Sainz">Manuel Sainz</name><name sortKey="Schoesser, Hansjoerg" sort="Schoesser, Hansjoerg" uniqKey="Schoesser H" first="Hansjoerg" last="Schoesser">Hansjoerg Schoesser</name><name sortKey="Spitzer, Philipp" sort="Spitzer, Philipp" uniqKey="Spitzer P" first="Philipp" last="Spitzer">Philipp Spitzer</name></noCountry><country name="Espagne"><region name="Andalousie"><name sortKey="Alvarez, Isaac" sort="Alvarez, Isaac" uniqKey="Alvarez I" first="Isaac" last="Alvarez">Isaac Alvarez</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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