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Peri-operative elec...
Peri-operative electrically evoked auditory brainstem response assessment of facial nerve/cochlea interaction at cochlear implantation
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- Schart-Moren, Nadine (författare)
- Uppsala universitet,Öron-, näs- och halssjukdomar
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- Hallin, Karin (författare)
- Uppsala universitet,Öron-, näs- och halssjukdomar
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Agrawal, Sumit K (författare)
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Ladak, Hanif M (författare)
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- Eriksson, Per Olof (författare)
- Uppsala universitet,Öron-, näs- och halssjukdomar
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- Li, Hao (författare)
- Uppsala universitet,Öron-, näs- och halssjukdomar
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- Rask-Andersen, Helge (författare)
- Uppsala universitet,Öron-, näs- och halssjukdomar
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(creator_code:org_t)
- 2018-06-07
- 2018
- Engelska.
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Ingår i: Cochlear Implants International. - : Informa UK Limited. - 1467-0100 .- 1754-7628. ; 19:6, s. 324-329
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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http://uu.diva-porta...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- OBJECTIVES: Dehiscence between the cochlear otic capsule and the facial nerve canal is a rare and relatively newly described pathology. In cochlear implantation (CI), this dehiscence may lead to adverse electric facial nerve stimulation (FNS) already at low levels, rendering its use impossible. Here, we describe an assessment technique to foresee this complication.METHODS: Pre- and postoperative computed tomography (CT) scans and intraoperative electrically evoked auditory brainstem response (e-ABR) measurements were analyzed in two patients with cochlear-facial dehiscence (CFD).RESULTS: Because of the relatively low resolution, the confirmation of CFD with a clinical CT was difficult. The e-ABR displayed a large potential with 6 and 7.5 ms latency, respectively, which did not occur otherwise.DISCUSSION: Potential strategies to resolve and manage FNS are described.CONCLUSION: Prediction of FNS by assessing the distance between the labyrinthine portion of the facial nerve and the cochlea is difficult using conventional CT scans. A large evoked late myogenic potential at low stimulation levels during intraoperative e-ABR measurement may foresee FNS at CI activation.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Oto-rhino-laryngologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Otorhinolaryngology (hsv//eng)
Nyckelord
- Cochlea
- Cochlear implantation
- Dehiscence
- Facial nerve stimulation
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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