Sudden hearing loss caused by labyrinthine hemorrhage

Salomone, Raquel; Abu, Taleb Abdu Ali; Chaves, A. S.; Bocalini, Maria Carmela Cundari; Vicente, Andy de Oliveira; Riskalla, Paulo Emmanuel

doi:10.1016/s1808-8694(15)31390-2

Cited by 32 publications

(37 citation statements)

References 11 publications

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“…Haemorrhages in the cochlea have been associated with cases of sudden sensorineural hearing loss in humans (Salomone et al 2008). In addition, massive inner ear haemorrhage has been identified in humans as a cause for sudden deafness in cases associated with leukaemia (Schuknecht et al 1965), Buerger's disease (Kirikae et al 1962) or metastatic malignancy of the inner ear (Hoshino et al 1972).…”

Section: Discussionmentioning

confidence: 99%

Parasites in the inner ear of harbour porpoise: cases from the North and Baltic Seas

Lehnert¹,

IJsseldijk²,

Raverty³

et al. 2017

Dis. Aquat. Org.

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Cetaceans and, in this particular case, harbour porpoises Phocoena phocoena, rely on hearing for vital activities, and any perturbations to sound perception can have significant impacts on their survival. Harbour porpoise cranial sinuses, and specifically peri bullar sinuses, are parasitized by the nematode Stenu rus minor (Metastrongyloidea: Pseudaliidae), Kühn, 1829 with high prevalence (Deliamure 1955, Arnold & Gaskin 1975, Brosens et al. 1996, Faulkner et al. 1998, Siebert et al. 2001, 2006, Kijewska et al. 2003, Lehnert et al. 2005, 2014. At present, the effect of S. minor on the hearing ability of harbour porpoises is still controversial. While the prevalence of S. minor in pterygoid and peribullar sinuses and tympanic cavity was high in harbour porpoises (66.67% in our cases), its prevalence in the cochlea was rare. Only 1 case out of 129 analysed by either histology, electron microscopy or immunofluorescence showed the presence of a nematode parasite morphologically consistent with S. minor at the most basal portion of the right cochlea. This individual also had severe haemorrhage along the right cochlear spiral, which was likely caused by ectopic S. minor migration. Although this animal might have had impaired hearing in the right ear, it was otherwise in good body condition with evidence of recent feeding. These findings highlight the need to study the effect of parasites on hearing, and other pathological changes that might impair appropriate processing of acoustic information.

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Section: Discussionmentioning

confidence: 99%

Parasites in the inner ear of harbour porpoise: cases from the North and Baltic Seas

Lehnert¹,

IJsseldijk²,

Raverty³

et al. 2017

Dis. Aquat. Org.

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“…Blood in the endolymph and perilymph changes the hydrostatic pressure, which alters cochlear function and nerve stimulation. 5 BPPV in this patient may have developed sporadically and unrelated to the case, but there is also a strong possibility that both events were related. After an attack of vestibular neuritis, about one patient in three will develop posterior canal BPPV, usually within three months.…”

Section: Discussionmentioning

confidence: 84%

“…9 Two cases were reported to show improved hearing: Shinaharo et al documented an average 30dB hearing gain after steroid therapy on a non-profound down-sloping threshold curve 6 and Salomone et al reported an average 20dB hearing gain after unspecified medical therapy. 5 This patient's recovery was restricted to higher frequencies.…”

Section: Discussionmentioning

confidence: 87%

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Recovery of Cochlear and Vestibular Function after Labyrinthine Haemorrhage

et al. 2014

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RESUMOA hemorragia do ouvido interno é uma doença rara com sintomas incapacitantes e mau prognóstico funcional. As etiologias mais comuns estão relacionadas com discrasias sanguíneas, terapêutica anticoagulante ou traumatismo local. A associação com doenças autoimunes é excecional. Os autores relatam um caso de surdez súbita e vertigem em doente com artrite reumatóide, causada por hemorragia labiríntica. O quadro clínico e a evolução da função audiovestibular são descritos juntamente com os achados imagiológi-cos em ressonância magnética. Tanto quanto é do conhecimento dos autores, este é o primeiro caso descrito de recuperação da função vestibular após hemorragia labiríntica. Palavras-chave: Ouvido Interno; Surdez Súbita; Hemorragia; Vertigem; Potenciais Miogénicos Evocados Vestibulares Cervicais; Testes Audiovestibulares; Vestíbulo do Labirinto. ABSTRACTInner ear haemorrhage is a rare disorder with disabling symptoms. Prognosis is generally considered to be poor with essentially no chance of functional recovery. The most common aetiologies are related to blood dyscrasias, anticoagulant therapy or local trauma. The association with autoimmune diseases is exceptional. The authors report a case of sudden deafness with vertigo in a patient with rheumatoid arthritis, caused by labyrinthine haemorrhage. Clinical picture and progress of audiovestibular function are described along with imagiological features from magnetic resonance imaging. Inner ear haemorrhage is a rare disorder with disabling symptoms and poor prognosis. To the best of the authors' knowledge, this is the first case described with documented vestibular function recovery following labyrinthine haemorrhage.

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“…9 The association between LH and LO has not been fully demonstrated, but it is theorized that LH incites a reparative response that cascades from fibrosis to sclerosis and ultimately ossification of the inner ear structures. 13 SNHL is a well-recognized complication of SCD, and many previous studies reported high prevalence of SNHL.…”

Section: Original Researchmentioning

confidence: 99%