The Laryngoscope · 2010
SLC26A4 genotype, but not cochlear radiologic structure, is correlated with hearing loss in ears with an enlarged vestibular aqueduct.
СтатьяResearch Support, N.I.H., IntramuralНазвание и аннотация: Перевод в очереди
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King Kelly A, Choi Byung Yoon, Zalewski Christopher, Madeo Anne C, Manichaikul Ani, Pryor Shannon P, Ferruggiaro Anne, Eisenman David, Kim H Jeffrey, Niparko John, Thomsen James, Butman John A, Griffith Andrew J, Brewer Carmen C
Аннотация
OBJECTIVES/HYPOTHESIS: Identify correlations among SLC26A4 genotype, cochlear structural anomalies, and hearing loss associated with enlargement of the vestibular aqueduct (EVA).
STUDY DESIGN: Prospective cohort survey, National Institutes of Health, Clinical Center, a federal biomedical research facility.
METHODS: Eighty-three individuals, 11 months to 59 years of age, with EVA in at least one ear were studied. Correlations among pure-tone hearing thresholds, number of mutant SLC26A4 alleles, and the presence of cochlear anomalies detected by computed tomography or magnetic resonance imaging were examined.
RESULTS: Linear mixed-effects model indicated significantly poorer hearing in ears with EVA in individuals with two mutant alleles of SLC26A4 than in those with EVA and a single mutant allele (P = .012) or no mutant alleles (P = .007) in this gene. There was no detectable relationship between degree of hearing loss and the presence of structural cochlear anomalies.
CONCLUSIONS: The number of mutant alleles of SLC26A4, but not the presence of cochlear anomalies, has a significant association with severity of hearing loss in ears with EVA. This information will be useful for prognostic counseling of patients and families with EVA.
STUDY DESIGN: Prospective cohort survey, National Institutes of Health, Clinical Center, a federal biomedical research facility.
METHODS: Eighty-three individuals, 11 months to 59 years of age, with EVA in at least one ear were studied. Correlations among pure-tone hearing thresholds, number of mutant SLC26A4 alleles, and the presence of cochlear anomalies detected by computed tomography or magnetic resonance imaging were examined.
RESULTS: Linear mixed-effects model indicated significantly poorer hearing in ears with EVA in individuals with two mutant alleles of SLC26A4 than in those with EVA and a single mutant allele (P = .012) or no mutant alleles (P = .007) in this gene. There was no detectable relationship between degree of hearing loss and the presence of structural cochlear anomalies.
CONCLUSIONS: The number of mutant alleles of SLC26A4, but not the presence of cochlear anomalies, has a significant association with severity of hearing loss in ears with EVA. This information will be useful for prognostic counseling of patients and families with EVA.