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2017, Number 1

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Gaceta Médica Espirituana 2017; 19 (1)

Behavior of non-syndromic hearing loss in a family in the municipality of Urbano Noris. Holguín

Márquez IN, Santana HEE

Language: Spanish
References: 15
Page:
PDF size: 103.94 Kb.


ABSTRACT

Background: hereditary hearing loss of non-syndromic cause frequently occurs in humans. Clinical and genetic studies have made possible to know mutations associated with multiple genes that produce this disease. It is considered important to know the characteristics of the presentation of hearing loss in each family, determining their inheritance pattern that would allow adequate genetic counseling in these families. Objective: to describe the characteristics of non-syndromic hearing loss in the affected of this studied family. Methodology: A retrospective descriptive study was carried out in a family from the municipality of Urbano Noris, Holguín province. The study universe consisted of the 45 members of the family; the sample was formed by the 24 patients with hearing loss. Informed consent was requested, audiological physical examination was performed in all participants, and patients were defined and classified with the degree of hearing loss. Results: the predominant age group was between 16 and 25 years old with 7 patients, the highest number of males affected, with 13 being (54.16 %). Moderate hearing loss prevailed with 11 patients for (45.83 %) followed by severe hearing loss with 8 patients for (33.33 %).Non-syndromic hearing loss was determined in this family with a dominant autonomic inheritance pattern. Conclusions: Prevalence of male gender and moderate hearing loss. The great clinical heterogeneity described for this disease was corroborated. The variable expressivity in this family was confirmed.


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