Recurrent Vestibular Symptoms Not Otherwise Specified: Clinical Characteristics Compared With Vestibular Migraine and Menière's Disease

Despite the huge progress in the definition and classification of vestibular disorders within the last decade, there are still patients whose recurrent vestibular symptoms cannot be attributed to any of the recognized episodic vestibular syndromes, such as Menière's disease (MD), vestibular mig...

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Main Authors: Julia Dlugaiczyk, Thomas Lempert, Jose Antonio Lopez-Escamez, Roberto Teggi, Michael von Brevern, Alexandre Bisdorff
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-06-01
Series:Frontiers in Neurology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fneur.2021.674092/full
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author Julia Dlugaiczyk
Thomas Lempert
Jose Antonio Lopez-Escamez
Roberto Teggi
Michael von Brevern
Alexandre Bisdorff
author_facet Julia Dlugaiczyk
Thomas Lempert
Jose Antonio Lopez-Escamez
Roberto Teggi
Michael von Brevern
Alexandre Bisdorff
author_sort Julia Dlugaiczyk
collection DOAJ
description Despite the huge progress in the definition and classification of vestibular disorders within the last decade, there are still patients whose recurrent vestibular symptoms cannot be attributed to any of the recognized episodic vestibular syndromes, such as Menière's disease (MD), vestibular migraine (VM), benign paroxysmal positional vertigo (BPPV), vestibular paroxysmia, orthostatic vertigo or transient ischemic attack (TIA). The aim of the present international, multi-center, cross-sectional study was to systematically characterize the clinical picture of recurrent vestibular symptoms not otherwise specified (RVS-NOS) and to compare it to MD and VM. Thirty-five patients with RVS-NOS, 150 patients with VM or probable VM and 119 patients with MD were included in the study. The symptoms of RVS-NOS had been present for 5.4 years on average before inclusion, similar to VM and MD in this study, suggesting that RVS-NOS is not a transitory state before converting into another diagnosis. Overall, the profile of RVS-NOS vestibular symptoms was more similar to VM than MD. In particular, the spectrum of vestibular symptom types was larger in VM and RVS-NOS than in MD, both at group comparison and the individual level. However, in contrast to VM, no female preponderance was observed for RVS-NOS. Positional, head-motion and orthostatic vertigo were reported more frequently by patients with RVS-NOS than MD, while external vertigo was more prevalent in the MD group. At group level, the spectrum of attack durations from minutes to 3 days was evenly distributed for VM, while a small peak for short and long attacks in RVS-NOS and a big single peak of hours in MD were discernible. In general, vertigo attacks and associated vegetative symptoms (nausea and vomiting) were milder in RVS-NOS than in the other two disorders. Some patients with RVS-NOS described accompanying auditory symptoms (tinnitus: 2.9%, aural fullness and hearing loss: 5.7% each), migrainous symptoms (photophobia, phonophobia or visual aura in 5.7% each) or non-migrainous headaches (14%), but did not fulfill the diagnostic criteria for MD or VM. Absence of a life time diagnosis of migraine headache and attack duration of <5 min were further reasons not to qualify for VM. In some RVS-NOS patients with accompanying ear symptoms, attack durations of <20 min excluded them from being diagnosed with MD. These findings suggest that RVS-NOS is a stable diagnosis over time whose overall clinical presentation is more similar to VM than to MD. It is more likely to be composed of several disorders including a spectrum of mild or incomplete variants of known vestibular disorders, such as VM and MD, rather than a single disease entity with distinct pathognomonic features.
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spelling doaj.art-fbd4c2acf6c74e478dea246cdb291c992022-12-21T18:50:40ZengFrontiers Media S.A.Frontiers in Neurology1664-22952021-06-011210.3389/fneur.2021.674092674092Recurrent Vestibular Symptoms Not Otherwise Specified: Clinical Characteristics Compared With Vestibular Migraine and Menière's DiseaseJulia Dlugaiczyk0Thomas Lempert1Jose Antonio Lopez-Escamez2Roberto Teggi3Michael von Brevern4Alexandre Bisdorff5Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Zurich, University of Zurich, Zurich, SwitzerlandDepartment of Neurology, Schlosspark-Klinik, Berlin, GermanyOtology and Neurotology Group CTS 495, Department of Genomic Medicine, Centre for Genomic and Oncological Research (GENyO) Pfizer-Universidad de Granada-Junta de Andalucía, Granada, SpainENT Department, San Raffaele Scientific Institute, “Vita e Salute” University, Milan, ItalyPrivate Practice of Neurology and Department of Neurology, Charité, Berlin, GermanyClinique du Vertige, Centre Hospitalier Emile Mayrisch, Esch-sur-Alzette, LuxembourgDespite the huge progress in the definition and classification of vestibular disorders within the last decade, there are still patients whose recurrent vestibular symptoms cannot be attributed to any of the recognized episodic vestibular syndromes, such as Menière's disease (MD), vestibular migraine (VM), benign paroxysmal positional vertigo (BPPV), vestibular paroxysmia, orthostatic vertigo or transient ischemic attack (TIA). The aim of the present international, multi-center, cross-sectional study was to systematically characterize the clinical picture of recurrent vestibular symptoms not otherwise specified (RVS-NOS) and to compare it to MD and VM. Thirty-five patients with RVS-NOS, 150 patients with VM or probable VM and 119 patients with MD were included in the study. The symptoms of RVS-NOS had been present for 5.4 years on average before inclusion, similar to VM and MD in this study, suggesting that RVS-NOS is not a transitory state before converting into another diagnosis. Overall, the profile of RVS-NOS vestibular symptoms was more similar to VM than MD. In particular, the spectrum of vestibular symptom types was larger in VM and RVS-NOS than in MD, both at group comparison and the individual level. However, in contrast to VM, no female preponderance was observed for RVS-NOS. Positional, head-motion and orthostatic vertigo were reported more frequently by patients with RVS-NOS than MD, while external vertigo was more prevalent in the MD group. At group level, the spectrum of attack durations from minutes to 3 days was evenly distributed for VM, while a small peak for short and long attacks in RVS-NOS and a big single peak of hours in MD were discernible. In general, vertigo attacks and associated vegetative symptoms (nausea and vomiting) were milder in RVS-NOS than in the other two disorders. Some patients with RVS-NOS described accompanying auditory symptoms (tinnitus: 2.9%, aural fullness and hearing loss: 5.7% each), migrainous symptoms (photophobia, phonophobia or visual aura in 5.7% each) or non-migrainous headaches (14%), but did not fulfill the diagnostic criteria for MD or VM. Absence of a life time diagnosis of migraine headache and attack duration of <5 min were further reasons not to qualify for VM. In some RVS-NOS patients with accompanying ear symptoms, attack durations of <20 min excluded them from being diagnosed with MD. These findings suggest that RVS-NOS is a stable diagnosis over time whose overall clinical presentation is more similar to VM than to MD. It is more likely to be composed of several disorders including a spectrum of mild or incomplete variants of known vestibular disorders, such as VM and MD, rather than a single disease entity with distinct pathognomonic features.https://www.frontiersin.org/articles/10.3389/fneur.2021.674092/fullrecurrent vestibular symptoms not otherwise specifiedbenign recurrent vertigoMenière's diseasevestibular migraineBárány Vestibular Symptoms gridepisodic vestibular syndrome
spellingShingle Julia Dlugaiczyk
Thomas Lempert
Jose Antonio Lopez-Escamez
Roberto Teggi
Michael von Brevern
Alexandre Bisdorff
Recurrent Vestibular Symptoms Not Otherwise Specified: Clinical Characteristics Compared With Vestibular Migraine and Menière's Disease
Frontiers in Neurology
recurrent vestibular symptoms not otherwise specified
benign recurrent vertigo
Menière's disease
vestibular migraine
Bárány Vestibular Symptoms grid
episodic vestibular syndrome
title Recurrent Vestibular Symptoms Not Otherwise Specified: Clinical Characteristics Compared With Vestibular Migraine and Menière's Disease
title_full Recurrent Vestibular Symptoms Not Otherwise Specified: Clinical Characteristics Compared With Vestibular Migraine and Menière's Disease
title_fullStr Recurrent Vestibular Symptoms Not Otherwise Specified: Clinical Characteristics Compared With Vestibular Migraine and Menière's Disease
title_full_unstemmed Recurrent Vestibular Symptoms Not Otherwise Specified: Clinical Characteristics Compared With Vestibular Migraine and Menière's Disease
title_short Recurrent Vestibular Symptoms Not Otherwise Specified: Clinical Characteristics Compared With Vestibular Migraine and Menière's Disease
title_sort recurrent vestibular symptoms not otherwise specified clinical characteristics compared with vestibular migraine and meniere s disease
topic recurrent vestibular symptoms not otherwise specified
benign recurrent vertigo
Menière's disease
vestibular migraine
Bárány Vestibular Symptoms grid
episodic vestibular syndrome
url https://www.frontiersin.org/articles/10.3389/fneur.2021.674092/full
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