2012
DOI: 10.1590/s1516-80342012000200007 View full text |Buy / Rent full text
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Abstract: OBJETIVO: Verificar o diagnóstico otoneurológico de idosos com tontura e a interferência deste sintoma na qualidade de vida. MÉTODOS: Trata-se de um estudo transversal, realizado com 56 idosos com tontura, com média de idade de 71,2 anos, submetidos à avaliação otoneurológica que envolveu: audiometria tonal, audiometria vocal, imitanciometria, provas de equilíbrio, pesquisa do nistagmo e vertigem de posição e posicionamento e vectoeletronistagmografia. Para avaliar a qualidade de vida, utilizou-se um questioná… Show more

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“…In the comparison between age groups, only the gain of the posterior semicircular canals differed with increasing age, a fact that corroborates the study by Matino-Soler et al (7) , who also found a decrease in right and left posterior canal gain with increasing age. This result reaffirms the hypothesis that aging can considerably decrease semicircular canal receptors (22)(23)(24) . As of age 40, it is possible to observe microscopic synaptic alterations in the vestibular nerve; at age 50, the degeneration of vestibular receptors on the crests of the SCC and the saccule.…”
Section: Discussionsupporting
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“…In the comparison between age groups, only the gain of the posterior semicircular canals differed with increasing age, a fact that corroborates the study by Matino-Soler et al (7) , who also found a decrease in right and left posterior canal gain with increasing age. This result reaffirms the hypothesis that aging can considerably decrease semicircular canal receptors (22)(23)(24) . As of age 40, it is possible to observe microscopic synaptic alterations in the vestibular nerve; at age 50, the degeneration of vestibular receptors on the crests of the SCC and the saccule.…”
Section: Discussionsupporting
“…As of age 40, it is possible to observe microscopic synaptic alterations in the vestibular nerve; at age 50, the degeneration of vestibular receptors on the crests of the SCC and the saccule. As of age 60, there is increased friction of vestibular nerve fibers and a reduction in the conduction velocity of electrical stimulation in the vestibular nerve, which may alter its function and reflexes, such as VOR (23)(24)(25) .…”
Section: Discussionmentioning
“…In evidence of static and dynamic balance, elderly studied generally showed no changes except EV in the march test with eyes closed, suggesting that the visual support is of paramount importance to maintain the balance, confirming this statement by SOT, in which EV decreased in the position that had visual conflict. The results of this study agree with a recent 23 research, which found no alterations in most elderly evaluated by means of the same evidence, but disagree with another study 24 found that changes in most elderly patients, even without cognitive impairment.…”
Section: Discussionsupporting
“…O sistema vestibular, localizado na orelha interna, é responsável por promover controle postural ao corpo humano associado aos sistemas visual, somatossensorial e musculoesquelético 6 . Durante o processo de envelhecimento este sistema passa por processos degenerativos, que com o passar do tempo, à medida que se acentuam, podem se tornar responsáveis pela ocorrência de vertigem, tontura, zumbido e alterações de equilíbrio corporal na população idosa 7 .…”
Section: Introductionunclassified