{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T09:24:12Z","timestamp":1790328252988,"version":"4.1.0"},"reference-count":43,"publisher":"American Medical Association (AMA)","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JAMA Netw Open"],"abstract":"Importance<\/jats:title>Children with profound hearing loss (HL) and vestibular impairment have worse cochlear implant outcomes compared with those without vestibular impairment. However, the decision for cochlear implantation is rarely based on vestibular function assessment as a complement to audiologic testing.<\/jats:p><\/jats:sec>Objectives<\/jats:title>To identify the prevalence of vestibular impairment according to HL origin and to assess the association between vestibular impairment and delayed posturomotor development in children with profound HL.<\/jats:p><\/jats:sec>Design, Setting, and Participants<\/jats:title>This cohort study was conducted in a pediatric referral center for cochlear implantation in Paris, France, using medical records data on HL origin, vestibular assessment, and ages of developmental milestone achievement. The cohort included children with profound HL (loss &amp;gt;90 dB HL) who completed vestibular assessment prior to cochlear implantation between January 1, 2009, and December 31, 2019. Data analyses were conducted between January and June 2023.<\/jats:p><\/jats:sec>Main Outcomes and Measures<\/jats:title>The primary outcome was prevalence of vestibular impairment according to HL origin. Children were classified into 3 groups according to their responses to vestibular testing: normal vestibular function (NVF), partially impaired vestibular function (PVF), and complete bilateral vestibular loss (CBVL). Generalized logit models were performed to evaluate the association between vestibular impairment and causes of HL as well as posturomotor development delay.<\/jats:p><\/jats:sec>Results<\/jats:title>A total of 592 children were included (308 males [52.0%]; mean [SD] age, 38 [34] months). In children with documented HL origin (n\u2009=\u2009266), 45.1% (120) had HL with genetic origin, 50.0% of which were syndromic (mainly Usher and Waardenburg syndromes) and 50.0% were nonsyndromic (mainly associated with connexin 26). Among patients with infectious HL origin (n\u2009=\u200974), 70.3% (52) had cytomegalovirus (CMV) infection. Vestibular impairment was found in 44.4% (263 of 592) of the children; it was mostly symmetrical in 88.9% (526) and was CBVL in 5.7% (34) of the cases. Vestibular impairment was present in 78.3% (47) of children with genetic syndromic HL (56.7% [34] with PVF; 21.7% [13] with CBVL) and in 69.2% (36) of children with CMV infection (57.7% [30] with PVF; 11.5% [6] with CBVL). Genetic syndromic HL origin was found to be more often associated with both PVF and CBVL than other HL causes. The odds of having delays in 4 developmental milestones (head holding, sitting, standing with support, and independent walking) were higher in both PVF and CBVL (eg, head-holding odds ratios: 2.55 and 4.79) compared with NVF, and the age of achieving these milestones was higher in CBVL than PVF (eg, head holding: 7.33 vs 4.03 years; P<\/jats:italic>\u2009&amp;lt;\u2009.001). All 4 developmental milestones were associated with the degree of vestibular impairment.<\/jats:p><\/jats:sec>Conclusions and Relevance<\/jats:title>This cohort study found that among children with profound HL, vestibular impairment was prevalent, varied according to HL origin, and associated with posturomotor development; while all developmental milestones were associated with vestibular impairment severity, not all HL causes were associated with vestibular impairment severity. Children with profound HL may benefit from complete vestibular assessment before cochlear implantation, which would support early and adapted management, such as physical therapy for CBVL and cochlear implantation strategy.<\/jats:p><\/jats:sec>","DOI":"10.1001\/jamanetworkopen.2024.12846","type":"journal-article","created":{"date-parts":[[2024,5,23]],"date-time":"2024-05-23T15:33:35Z","timestamp":1716478415000},"page":"e2412846","source":"Crossref","is-referenced-by-count":17,"title":["Vestibular Impairment and Postural Development in Children With Bilateral Profound Hearing Loss"],"prefix":"10.1001","volume":"7","author":[{"given":"Sylvette R.","family":"Wiener-Vacher","sequence":"first","affiliation":[{"name":"Institut de l\u2019Audition, Institut Pasteur, Centre De Recherche et d'Innovation et Audiologie Humaine (CERIAH), Paris, France"},{"name":"Service ORL, Centre d\u2019Exploration Fonctionnelle de l\u2019Equilibre Chez l\u2019Enfant (EFEE), H\u00f4pital Universitaire Robert 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