2005
DOI: 10.1590/s0034-72992005000300022
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Síndrome do aqueduto vestibular alargado: relato de 3 casos e revisão bibliográfica

Abstract: A Síndrome do Aqueduto Vestibular Alargado (SAVA) é caracterizada por um alargamento do aqueduto vestibular associado a uma perda auditiva neurossensorial, algumas vezes mista, que pode ser congênita ou adquirida na infância. A disacusia pode ser dividida em leve, moderada ou profunda, associada com períodos de melhora ou de piora súbita. O alargamento do aqueduto vestibular é a anomalia da orelha interna mais comum. A SAVA é admitida como resultado de uma anormalidade genética no desenvolvimento do aqueduto v… Show more

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Cited by 5 publications
(3 citation statements)
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“…With improvements in modern imaging technologies, inner ear anomalies, including EVA, once considered a rare entity in the past, have proven to be frequent causes of HL in children. Actually, EVA is reported as the most commonly seen inner ear anomaly contributing to the permanent HL in children 5,11,12 . Although EVA has been linked to HL in patients with Pendred syndrome and genetic mutations, 11,13 the majority of our patients had no obvious genetic cause of HL.…”
Section: Discussionmentioning
confidence: 74%
“…With improvements in modern imaging technologies, inner ear anomalies, including EVA, once considered a rare entity in the past, have proven to be frequent causes of HL in children. Actually, EVA is reported as the most commonly seen inner ear anomaly contributing to the permanent HL in children 5,11,12 . Although EVA has been linked to HL in patients with Pendred syndrome and genetic mutations, 11,13 the majority of our patients had no obvious genetic cause of HL.…”
Section: Discussionmentioning
confidence: 74%
“…The clinical picture of EVA, in most situations, begins in childhood and has varieties in terms of its clinical characteristics. They may present hearing loss of different degrees (from moderate to severe), onsets (sudden or progressive), or types (mixed loss with a greater air-bone gap at low frequencies or sensorineural), associated or not with vertigo (3,4) . Therefore, early detection becomes important.…”
Section: Introductionmentioning
confidence: 99%
“…While some structures of the middle and inner ear are fully developed at birth, the vestibular aqueduct and endolymphatic sac are immature and small. Once the posterior cranial fossa expands, the VA and endolymphatic sac rapidly increase in size and reach maturity around 4 years of age (3) . Among the possible causes of the increase in this channel, interrupted development in embryonic life and/or poor postnatal development in early childhood are reported (5) .…”
Section: Introductionmentioning
confidence: 99%