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Deafness genetic mutation spectrum in nonsyndromic hearing impairment associated with enlarged vestibular aqueducts / 中国康复理论与实践
Chinese Journal of Rehabilitation Theory and Practice ; (12): 119-124, 2023.
Article in Chinese | WPRIM | ID: wpr-961951
ABSTRACT
ObjectiveTo investigate the deafness genetic mutation spectrum in nonsyndromic hearing impairment (NSHI) associated with enlarged vestibular aqueducts (EVA). MethodsFrom October, 2015 to August, 2016, 85 patients with NSHI from Hubei Yichang Special Education School were examined with temporal bone CT, and 20 deafness-related gene mutations in GJB2, GJB3, SLC26A4 and mtDNA 12S rRNA were detected with matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. ResultsA total of 31 patients were found EVA with temporal bone CT. Compared with non-EVA patients, the proportion of deafness-related gene mutations was more in patients with EVA (χ2 = 11.160, P = 0.001), especially for c.919-2A>G mutation of SLC26A4 (χ2 = 23.870, P < 0.001). ConclusionThe deafness gene mutation spectrum is different in NSHI patients with or without EVA. It is needed to optimize genetic testing scheme for deafness for early diagnosis and intervention of NSHI associated with EVA.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Rehabilitation Theory and Practice Year: 2023 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Rehabilitation Theory and Practice Year: 2023 Type: Article