Experimental Endolymphatic Hydrops: Are Cochlear and Vestibular Symptoms Caused by Increased Endolymphatic Pressure?

1990 ◽  
Vol 99 (6) ◽  
pp. 470-476 ◽  
Author(s):  
Andreas Böhmer ◽  
Norbert Dillier
Keyword(s):  
Endolymphatic Hydrops ◽  
Vestibular Symptoms ◽  
Endolymphatic Pressure

Clinical Features and Endolymphatic Hydrops in Patients With MRI Evidence of Hydrops

2018 ◽  
Vol 128 (4) ◽  
pp. 286-292 ◽  
Author(s):  
Suming Shi ◽  
Ping Guo ◽  
Wenquan Li ◽  
Wuqing Wang
Keyword(s):  
Diagnostic Criteria ◽  
Clinical Features ◽  
Clinical Characteristics ◽  
Clinical Symptoms ◽  
Endolymphatic Hydrops ◽  
Low Frequency ◽  
Clinical Severity ◽  
Mri Findings ◽  
Vestibular Symptoms ◽  
Magnetic Resonance Imaging Mri

Objectives: The purpose of this study was to investigate the correlation between grades of endolymphatic hydrops (ELH) and clinical characteristics and determine the detailed clinical characteristics of Ménière’s disease (MD) patients with evidence of hydrops based on magnetic resonance imaging (MRI). Methods: One hundred ninety-eight MD patients (396 ears) with MRI evidence of hydrops were included. ELH grades were evaluated using the Nakashima grading standard. Correlations between the extent of ELH and clinical features were evaluated. Detailed clinical characteristics were analyzed to assess the clinical diagnostic criteria. Results: Of 198 patients, ELH was observed in 100% of cases on the clinically affected side and 8.6% of cases on the asymptomatic side. In addition, 98.5% of ELH was classified as moderate or significant grade. Low-frequency hearing loss was significantly correlated with the extent of both vestibular and cochlear hydrops, whereas the vertigo attack frequency showed no significant correlation with ELH grades. The disease duration of MD with bilateral ELH was longer than that with unilateral ELH. The clinical characteristics were variant and did not completely fit the proposed diagnostic criteria. Conclusions: MRI findings have relevance to the clinical severity, to a certain extent, but not vestibular symptoms. The proposed diagnostic criteria based on clinical characteristics may be partially effective; analysis of the detailed clinical characteristics of MD was meaningful. Diagnosis of MD based on both MRI and clinical symptoms could facilitate an early diagnosis.

Vertigo of Delayed Onset after Sudden Deafness

1975 ◽  
Vol 84 (6) ◽  
pp. 841-846 ◽  
Author(s):  
Joseph B. Nadol ◽  
Alfred D. Weiss ◽  
Stephen W. Parker
Keyword(s):  
Endolymphatic Hydrops ◽  
Meniere’S Disease ◽  
Menière’S Disease ◽  
Sudden Deafness ◽  
Meniere's Disease ◽  
Ménière’S Disease ◽  
Menière's Disease ◽  
Delayed Onset ◽  
Ménière's Disease ◽  
Vestibular Symptoms

An entity of episodic true vertigo of delayed onset following sudden and profound sensorineural hearing loss is described. Data on 12 patients and three case reports are presented. The latency between sudden deafness and the onset of the vertigo varied from 1 to 68 years. The vestibular symptoms are identical to the vestibular symptoms of Ménière's disease, and there is some evidence that endolymphatic hydrops in the previously deafened ear represents at least part of the labyrinthine pathology. Labyrinthectomy in the deaf ear was curative. Tentatively, this entity is best considered a variant of Ménière's disease.

The neurologist and the hydrops

2021 ◽  
pp. 1-7
Author(s):  
Sylvain Redon ◽  
Maya Elzière ◽  
Anne Donnet
Keyword(s):  
Neurological Disorders ◽  
Endolymphatic Hydrops ◽  
Etiological Diagnosis ◽  
Pathophysiological Mechanisms ◽  
Csf Pressure ◽  
Vestibular Symptoms ◽  
Neurological Conditions ◽  
Noninvasive Tests

The presence of endolymphatic hydrops has been studied in many neurological disorders. The pathophysiological mechanisms may involve CSF pressure variations, transmitted to the innear ear. This hydrops could play a role in vestibular or cochlear symptoms. For the ENT specialist, the etiological diagnosis of endolymphatic hydrops is a challenge, and neurological etiologies must be known. The treatment of these neurological causes could be effective on cochleo-vestibular symptoms. The knowledge of endolymphatic hydrops could also be a target for noninvasive tests, able to estimate CSF pressure variations. For the neurologist, this could represent a useful tool for the diagnosis and follow-up, in some of these neurological disorders, related to a CSF pressure imbalance. The purpose of this paper is to summarize literature data on endolymphatic hydrops in neurological disorders. We define some neurological conditions, for which there is a particular interest in noninvasive investigations of endolymphatic hydrops.

scholarly journals A Balance Test for Chronic Perilymph Fistula

2012 ◽  
Vol 2012 ◽  
pp. 1-8 ◽  
Author(s):  
Jeremy Hornibrook
Keyword(s):  
Endolymphatic Hydrops ◽  
Traumatic Event ◽  
Round Window ◽  
Oval Window ◽  
Balance Test ◽  
Trauma History ◽  
Eyes Closed ◽  
Vestibular Symptoms ◽  
Cognitive Problems ◽  
Turning Test

Perilymph fistula is defined as a leak of perilymph at the oval or round window. It excludes other conditions with “fistula” tests due to a dehiscent semicircular canal from cholesteotoma and the superior canal dehiscence syndrome. First recognized as a complication of stapedectomy, it then became apparent that head trauma and barotraumatic trauma from flying or diving could be a cause. Descriptions of “spontanenous” perilymph fistulas with no trauma history followed. It is likely that most perilymph fistula patients have a congential potential weakness of the otic capsule at the round or oval window. The vestibular symptoms have been assumed to be due to endolymphatic hydrops, but there is poor evidence. Their unilateral disequilibrium, nausea, and subtle cognitive problems suggest they are due to otolith disfunction and that these patients have a specific balance abnormality, unlike subjects with unilateral vestibular hypofuction. In this series of twenty patients with a confirmed fistula a logical simplification of Singleton's “eyes-closed turning” test predicted a PLF in twelve with a trauma history. In four no cause was found. In three a prior traumatic event was later recalled, but one patient had concealed it.

Remission of Recurrent Cochlear Hydrops Associated With Bromocriptine Treatment for Macroprolactinoma

2019 ◽  
Vol 28 (3) ◽  
pp. 548-552
Author(s):  
Andro Košec ◽  
Ivan Kruljac ◽  
Jakov Ajduk
Keyword(s):  
Dopamine Receptors ◽  
Male Patient ◽  
Endolymphatic Hydrops ◽  
Young Male ◽  
Oral Steroid ◽  
Case Description ◽  
Diuretic Treatment ◽  
Potential Therapeutic Role ◽  
Transient Improvement ◽  
Systemic Glucocorticoids

Objective Current recommendations for cochlear hydrops treatment include systemic glucocorticoids and diuretics. Cochlear cells express dopamine receptors, although their role is unknown in the pathophysiology of cochlear hydrops. Case Description We report the case of remission of recurrent right-sided cochlear hydrops in a young male patient treated with bromocriptine due to pituitary macroprolactinoma. Transient improvement was observed after oral steroid and diuretic treatment, but cochlear hydrops recurred until the dose of bromocriptine was increased to 10 mg daily. Conclusion Bromocriptine may stimulate dopamine receptors in cochlear cells with potential therapeutic role in patients with cochlear hydrops. There are no widely accepted and effective treatments for endolymphatic hydrops, and identifying potential new and efficacious therapeutics is of high relevance.

Clinical features and long-term outcome of ipsilateral delayed endolymphatic hydrops

2019 ◽  
Vol 69 (3) ◽  
Author(s):  
Andrea Albera ◽  
Claudia Cassandro ◽  
Carmine F. Gervasio ◽  
Sergio Lucisano ◽  
Marco Boldreghini ◽  
...  
Keyword(s):  
Clinical Features ◽  
Endolymphatic Hydrops ◽  
Term Outcome ◽  
Long Term Outcome ◽  
Delayed Endolymphatic Hydrops

Electrocochleography in Guinea Pigs with Experimental Endolymphatic Hydrops

1992 ◽  
Vol 51 (Suppl-8) ◽  
pp. 20-23
Author(s):  
Kaoru Uchida ◽  
Masaaki Kitahara ◽  
Yoshiro Yazawa
Keyword(s):  
Guinea Pigs ◽  
Endolymphatic Hydrops

scholarly journals Proceedings of the GDR Vertige 2019 annual meeting devoted to endolymphatic hydrops

2021 ◽  
pp. 1-3
Author(s):  
Christian Chabbert ◽  
Anne Charpiot
Keyword(s):  
Annual Meeting ◽  
Research Group ◽  
Endolymphatic Hydrops ◽  
Clinical Manifestations ◽  
Vestibular Function ◽  
Therapeutic Strategies ◽  
Vestibular Disorders ◽  
Special Issue ◽  
Clinical Imaging ◽  
New Methods

The GDR Vertige is a federative research group gathering the different components of the French neuro-otology community. The annual meeting of the GDR Vertige is an opportunity for interactive exchanges between scientists, clinicians and industrialists, on basic issues related to vestibular function, as well as translational questions regarding the management of vestibular disorders. For its fifth edition, the annual meeting of the GDR Vertige, which took place in September 2019 in Marseille (France), was devoted to one of the most peculiar phenomena of neuro-otology: endolymphatic hydrops. For two days, international scientists and clinicians presented the most recent advances regarding the biophysical correlates of endolymphatic hydrops, the genetic and endocrine tableaux that favor its manifestation, new methods of clinical imaging, and current and upcoming therapeutic strategies to overcome the associated clinical manifestations. This special issue of the Journal of Vestibular Research aims at providing the proceedings of this meeting.

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