ArticleOtology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology2020
Human Temporal Bone Study of Vestibular Histopathology in Cochlear Implant Patients With Cochlear Hydrops.
Article in Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 18 citations in OpenAlex.
- Task force of the Brazilian Society of Otology and the Brazilian Academy of Neurotology: Menière's Disease.Brazilian journal of otorhinolaryngology · 2026Review
- Assessment of Horizontal Semicircular Canal and Graviceptive Perception Before and After Cochlear Implantation.Audiology research · 2026Article
- Narrative Review on Vestibular Complaints After Cochlear Implantation in Adults: Defining Heterogeneous Common Symptoms.Audiology research · 2026Review
- High resolution, contrast-enhanced X-ray microscopy of theFrontiers in neuroscience · 2026Article
- Evaluating round window niche visibility in cochlear implantation: anatomical insights and electrode insertion strategies.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2025Article
- Effect of Cochlear Implantation on Air Conduction and Bone Conduction Elicited Vestibular Evoked Myogenic Potentials-A Scoping Review.Journal of clinical medicine · 2024Article
- Intratympanic Gentamicin Injection for Endolymphatic Hydrops After Cochlear Implantation.The journal of international advanced otology · 2024Article
- Objective Assessment of Perilymphatic Fistula in Cases of Postoperative Vertigo after Cochlear Implantation by Cochlin Tomoprotein (CTP).Brain sciences · 2023Article
- Archival Human Temporal Bone: Anatomical and Histopathological Studies of Cochlear Implantation.Journal of personalized medicine · 2023Review
- Control of Disabling Vertigo in Ménière's Disease Following Cochlear Implantation without Labyrinthectomy.Audiology research · 2022Article
- Histopathologic Analysis of Temporal Bones With Otosclerosis Following Cochlear Implantation.Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology · 2021Article
- Alteration of Vestibular Function in Pediatric Cochlear Implant Recipients.Frontiers in neurology · 2021Article
- Immune Response of Macrophage Population to Cochlear Implantation: Cochlea Immune Cells.Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology · 2020Article
- Effect of Underwater Insertion on Intracochlear Pressure.Frontiers in surgery · 2020Article
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4 authors at 1 institution in 1 country.
Funding
Abstract
hypothesisEndolymphatic hydrops (EH) associated with cochlear implantation are associated with vestibular dysfunction.
backgroundVestibular dysfunction is a known risk after cochlear implantation (CI). CI has been shown to cause cochlear hydrops due to fibrosis surrounding the ductus reuniens. However, the association of cochlear hydrops with vestibular hydrops and the relationship to vestibular symptoms remain unknown.
methodsHistopathological analysis and clinical evaluation of the vestibular end organs of 17 human temporal bones (HTB)s exhibiting cochlear hydrops from 15 CI recipients.
resultsEight of 15 patients with cochlear hydrops due to CI had complaints of dizziness, vertigo, or imbalance following CI. In all 17 HTBs with cochlear hydrops, there was fibrosis, atrophy, or obstruction of the ductus reuniens, and all had straight electrode CI via cochleostomy. In one of the eight reporting postoperative dizziness, labyrinthitis ossificans was deemed causative. Six of the seven remaining patients had EH of both the saccule and utricle. Fifteen of 17 HTBs (88.2%) had saccular EH. In contrast, 8 of 17 HTBs (47.0%) in 7 patients had utricular EH, of which 6 patients had postoperative vertigo spells. It seems that hydrops of the utricle closely corresponds to postoperative vertigo spells and vestibular complaints.
conclusionImplantation of the CI, when complicated by ductus reuniens fibrosis, may cause both cochlear hydrops and vestibular endolymphatic hydrops. Hydrops of the vestibular periphery when involving the utricle seems to be more likely associated with disabling vertigo symptoms. This study supports the round window technique of insertion rather than cochleostomy.
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