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Gaceta Médica Espirituana
versão On-line ISSN 1608-8921
Resumo
SANTANA HERNANDEZ, Elayne Esther e LANTIGUA CRUZ, Paulina Araceli. Usher syndrome clinical characterization. Holguin province. Gac Méd Espirit [online]. 2016, vol.18, n.3, pp. 22-29. ISSN 1608-8921.
Background: Usher syndrome is a genetically determined disease with great clinical and genetic heterogeneity. This disease is characterized by sensorineural hearing loss of moderate to severe, progressive pigmentosa retinitis and may be accompanied by vestibular alteration. At the high prevalence of this disease in the province of Holguin, this study is considered necessary. Objective: To characterize all patients clinically with clinical diagnosis of Usher syndrome in Holguin province, in the period from January 2009 to January 2016. Methodology: A series types of retrospective cases, descriptive study with 53 patients with clinical diagnosis of Usher syndrome in Holguin province was conducted. The sample consisted of 53 patients residing in the province. Provincial records Pigmentosa Retinitis Pigmentosa Center and the medical records of these patients were reviewed, the data of interest are collected in an instrument that was drawn up for these. The variables studied were sex, age, age at diagnosis of hearing loss and severity, age of diagnosis of pigmentosa retinitis and the results of the audiological tests, allowing knowing the vestibular function. Results: It was possible to clinically characterize 100 % of the patients studied, predominantly male in a 60.37 %. 80 % had pigmentosa retinitis in early childhood and profound congenital hearing loss in 67.92 %. Vestibular tests showed that 71. 70 % have Usher syndrome type II and 28.30 % have the type I. Conclusions: mainly males, hearing loss preceded visual impairment. It was possible to clinically characterize those affected. It prevailed Usher syndrome type II.
Palavras-chave : Usher syndrome/genetics; visual and hearing impairment and deafness retinitis pigmentosa; hearing loss/congenital; hearing loss sensorineural/congenital; vision low/congenital; deaf-blind disorders/genetics.