Abstract
Hearing loss constitutes an important category of congenital defects that can be isolated or part of the phenotypic spectrum of several syndromes. A clinical genetic study was performed on a sample of 144 patients with nonsyndromic hearing loss, establishing the sex distribution, type, degree, symmetry, laterality, progression, etiology, and, when possible, inheritance pattern.
MeSH terms
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Adolescent
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Adult
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Aged
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Aged, 80 and over
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Brazil
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Child
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Child, Preschool
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Chromosome Aberrations
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Diagnosis, Differential
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Disease Progression
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Female
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Genes, Dominant
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Genes, Recessive
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Health Surveys
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Hearing Loss, Conductive / diagnosis
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Hearing Loss, Conductive / etiology
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Hearing Loss, Conductive / genetics*
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Hearing Loss, Mixed Conductive-Sensorineural / diagnosis
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Hearing Loss, Mixed Conductive-Sensorineural / etiology
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Hearing Loss, Mixed Conductive-Sensorineural / genetics*
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Hearing Loss, Sensorineural / diagnosis
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Hearing Loss, Sensorineural / etiology
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Hearing Loss, Sensorineural / genetics*
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Humans
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Infant
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Male
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Middle Aged
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Sex Factors
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Syndrome