Auricular malformation and hearing loss in oculoauriculo vertebral spectrum (2017)
- Authors:
- USP affiliated authors: ANTONELI, MELISSA ZATTONI - HRAC ; TONELLO, CRISTIANO - HRAC ; LOURENÇONE, LUIZ FERNANDO MANZONI - HRAC ; SASSI, TYUANA SANDIM DA SILVEIRA - HRAC ; PITTOLI, SIULAN VENDRAMINI PAULOVICH - HRAC ; FENIMAN, MARIZA RIBEIRO - FOB
- Unidades: HRAC; FOB
- Subjects: ANORMALIDADES CRANIOFACIAIS; MALFORMAÇÕES; ORELHA EXTERNA; PERDA AUDITIVA
- Language: Inglês
- Abstract: Introduction: Oculoauriculovertebral spectrum (OAVS) or hemifacial microsomia is a congenital craniofacial disorder involving structures derivated from first and second pharyngeal archs. Clinical presentation is highly variable and main craniofacial findings involve microtia, mandibular hypoplasia, epibulbar dermoid and vertebral anomalies. External, middle and inner ear can be affected in this condition and microtia with external auditory canal atresia is the most common ear finding. Conductive and mixed hearing loss are commonly described. Objective: To describe and correlate auricular malformation and hearing loss in individuals with OAVS. Methods: In a retrospective transversal study model, 25 clinical charts of patients with OAVS were reviewed after Research Ethics Committee approval (1.818.192). Data related to genetic diagnosis, microtia classification, hearing antecedents, tonal and vocal audiometry and timpanometry were collected. Results: Hearing loss was found in 83% ears with microtia, a statistically significant assocniation. Conductive hearing loss was found in 66% ears with type 1 microtia. Type 2 microtia caused mixed (80%) and conductive (20%) types. Type 3 microtia caused conductive (52%) and mixed (47%) types. Hearing loss degree was mild in most ears with type 1 microtia (66%) and severe in most ears with type 2 and 3 (80%). CT scan of the temporal bones revealed middle ear malformation in types 2 and 3 microtia. Conclusion: Microtia is associated with hearing loss in most OAVS cases. Hearing loss type and degree apparently deteriorated as the microtia type increased. Attention should be given to cases with mild ear malformation, since hearing loss may be also present.
- Imprenta:
- Publisher: Hospital de Reabilitação de Anomalias Craniofaciais, Universidade de São Paulo
- Publisher place: Bauru
- Date published: 2017
- Source:
- Título: Anais
- Conference titles: Simpósio Internacional de Fissuras Orofaciais e Anomalias Relacionadas
-
ABNT
ALVES, Bruna Tozzetti et al. Auricular malformation and hearing loss in oculoauriculo vertebral spectrum. 2017, Anais.. Bauru: Hospital de Reabilitação de Anomalias Craniofaciais, Universidade de São Paulo, 2017. Disponível em: https://repositorio.usp.br/directbitstream/aa39c75f-31a6-4b3e-9684-286c7fd75082/2938905.pdf. Acesso em: 28 dez. 2025. -
APA
Alves, B. T., Antoneli, M. Z., Tonello, C., Lourençone, L. F. M., Sassi, T. S. da S., Pittoli, S. V. P., & Feniman, M. R. (2017). Auricular malformation and hearing loss in oculoauriculo vertebral spectrum. In Anais. Bauru: Hospital de Reabilitação de Anomalias Craniofaciais, Universidade de São Paulo. Recuperado de https://repositorio.usp.br/directbitstream/aa39c75f-31a6-4b3e-9684-286c7fd75082/2938905.pdf -
NLM
Alves BT, Antoneli MZ, Tonello C, Lourençone LFM, Sassi TS da S, Pittoli SVP, Feniman MR. Auricular malformation and hearing loss in oculoauriculo vertebral spectrum [Internet]. Anais. 2017 ;[citado 2025 dez. 28 ] Available from: https://repositorio.usp.br/directbitstream/aa39c75f-31a6-4b3e-9684-286c7fd75082/2938905.pdf -
Vancouver
Alves BT, Antoneli MZ, Tonello C, Lourençone LFM, Sassi TS da S, Pittoli SVP, Feniman MR. Auricular malformation and hearing loss in oculoauriculo vertebral spectrum [Internet]. Anais. 2017 ;[citado 2025 dez. 28 ] Available from: https://repositorio.usp.br/directbitstream/aa39c75f-31a6-4b3e-9684-286c7fd75082/2938905.pdf - Tecnologia abre portas para o mundo dos sons
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