Upright positioning-related reverse nystagmus in posterior canal benign paroxysmal positional vertigo and its effect on prognosis.
Identifieur interne : 000006 ( Main/Exploration ); précédent : 000005; suivant : 000007Upright positioning-related reverse nystagmus in posterior canal benign paroxysmal positional vertigo and its effect on prognosis.
Auteurs : Sabuhi Jafarov [Turquie] ; Evren Hizal [Turquie] ; Melike Bahcecitapar [Turquie] ; Levent N. Ozluoglu [Turquie]Source :
- Journal of vestibular research : equilibrium & orientation [ 1878-6464 ] ; 2020.
Abstract
BACKGROUND
Positional nystagmus elicited by the Dix-Hallpike maneuver often reverses its direction as the patient is re-seated from the provoking head hanging position. The incidence of reverse nystagmus and its association with prognosis in posterior canal benign paroxysmal positional vertigo (pcBPPV) is not clear.
OBJECTIVE
To determine the incidence of upright positioning-related reverse nystagmus and its association with the success of canalith repositioning (Epley) maneuver (CRM) treatment in pcBPPV.
METHODS
The records of patients that had been tested with video-nystagmography in a tertiary care center, between October 2016 and March 2019, were reviewed. Data were obtained from detailed analysis of video recordings of 321 patients with typical pcBPPV.
RESULTS
Reverse nystagmus was determined in 85% of the patients with pcBPPV. The number of CRMs required for treatment was lower in patients with reverse nystagmus (1.32±0.68) compared to patients without reverse nystagmus (1.81±0.98) (p < 0.001). There was not a statistically significant relationship between reverse nystagmus and recurrence (p = 0.623).
CONCLUSIONS
The absence of reverse nystagmus on upright positioning during the Dix-Hallpike test predicts poor success for the CRM, as repetitive repositioning maneuvers might be required to achieve successful treatment in pcBPPV.
DOI: 10.3233/VES-200700
PubMed: 32597824
Affiliations:
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Ozluoglu</name><affiliation wicri:level="1"><nlm:affiliation>Baskent University, Faculty of Medicine, Department of Otorhinolaryngology, Ankara, Turkey.</nlm:affiliation><country xml:lang="fr">Turquie</country><wicri:regionArea>Baskent University, Faculty of Medicine, Department of Otorhinolaryngology, Ankara</wicri:regionArea><wicri:noRegion>Ankara</wicri:noRegion></affiliation></author></analytic><series><title level="j">Journal of vestibular research : equilibrium & orientation</title><idno type="eISSN">1878-6464</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p><b>BACKGROUND</b></p><p>Positional nystagmus elicited by the Dix-Hallpike maneuver often reverses its direction as the patient is re-seated from the provoking head hanging position. The incidence of reverse nystagmus and its association with prognosis in posterior canal benign paroxysmal positional vertigo (pcBPPV) is not clear.</p></div><div type="abstract" xml:lang="en"><p><b>OBJECTIVE</b></p><p>To determine the incidence of upright positioning-related reverse nystagmus and its association with the success of canalith repositioning (Epley) maneuver (CRM) treatment in pcBPPV.</p></div><div type="abstract" xml:lang="en"><p><b>METHODS</b></p><p>The records of patients that had been tested with video-nystagmography in a tertiary care center, between October 2016 and March 2019, were reviewed. Data were obtained from detailed analysis of video recordings of 321 patients with typical pcBPPV.</p></div><div type="abstract" xml:lang="en"><p><b>RESULTS</b></p><p>Reverse nystagmus was determined in 85% of the patients with pcBPPV. The number of CRMs required for treatment was lower in patients with reverse nystagmus (1.32±0.68) compared to patients without reverse nystagmus (1.81±0.98) (p < 0.001). There was not a statistically significant relationship between reverse nystagmus and recurrence (p = 0.623).</p></div><div type="abstract" xml:lang="en"><p><b>CONCLUSIONS</b></p><p>The absence of reverse nystagmus on upright positioning during the Dix-Hallpike test predicts poor success for the CRM, as repetitive repositioning maneuvers might be required to achieve successful treatment in pcBPPV.</p></div></front></TEI><pubmed><MedlineCitation Status="In-Data-Review" Owner="NLM"><PMID Version="1">32597824</PMID><DateRevised><Year>2020</Year><Month>08</Month><Day>03</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1878-6464</ISSN><JournalIssue CitedMedium="Internet"><Volume>30</Volume><Issue>3</Issue><PubDate><Year>2020</Year></PubDate></JournalIssue><Title>Journal of vestibular research : equilibrium & orientation</Title><ISOAbbreviation>J Vestib Res</ISOAbbreviation></Journal><ArticleTitle>Upright positioning-related reverse nystagmus in posterior canal benign paroxysmal positional vertigo and its effect on prognosis.</ArticleTitle><Pagination><MedlinePgn>195-201</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.3233/VES-200700</ELocationID><Abstract><AbstractText Label="BACKGROUND" NlmCategory="BACKGROUND">Positional nystagmus elicited by the Dix-Hallpike maneuver often reverses its direction as the patient is re-seated from the provoking head hanging position. The incidence of reverse nystagmus and its association with prognosis in posterior canal benign paroxysmal positional vertigo (pcBPPV) is not clear.</AbstractText><AbstractText Label="OBJECTIVE" NlmCategory="OBJECTIVE">To determine the incidence of upright positioning-related reverse nystagmus and its association with the success of canalith repositioning (Epley) maneuver (CRM) treatment in pcBPPV.</AbstractText><AbstractText Label="METHODS" NlmCategory="METHODS">The records of patients that had been tested with video-nystagmography in a tertiary care center, between October 2016 and March 2019, were reviewed. Data were obtained from detailed analysis of video recordings of 321 patients with typical pcBPPV.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">Reverse nystagmus was determined in 85% of the patients with pcBPPV. The number of CRMs required for treatment was lower in patients with reverse nystagmus (1.32±0.68) compared to patients without reverse nystagmus (1.81±0.98) (p < 0.001). There was not a statistically significant relationship between reverse nystagmus and recurrence (p = 0.623).</AbstractText><AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">The absence of reverse nystagmus on upright positioning during the Dix-Hallpike test predicts poor success for the CRM, as repetitive repositioning maneuvers might be required to achieve successful treatment in pcBPPV.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Jafarov</LastName><ForeName>Sabuhi</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Baskent University, Faculty of Medicine, Department of Otorhinolaryngology, Ankara, Turkey.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hizal</LastName><ForeName>Evren</ForeName><Initials>E</Initials><AffiliationInfo><Affiliation>Baskent University, Faculty of Medicine, Department of Otorhinolaryngology, Ankara, Turkey.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Bahcecitapar</LastName><ForeName>Melike</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Hacettepe University, Faculty of Science, Department of Statistics, Ankara, Turkey.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ozluoglu</LastName><ForeName>Levent N</ForeName><Initials>LN</Initials><AffiliationInfo><Affiliation>Baskent University, Faculty of Medicine, Department of Otorhinolaryngology, Ankara, Turkey.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>J Vestib Res</MedlineTA><NlmUniqueID>9104163</NlmUniqueID><ISSNLinking>0957-4271</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><CitationSubset>S</CitationSubset><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Benign paroxysmal positional vertigo</Keyword><Keyword MajorTopicYN="N">Dix-Hallpike test</Keyword><Keyword MajorTopicYN="N">nystagmus</Keyword><Keyword MajorTopicYN="N">posterior semicircular canal</Keyword><Keyword MajorTopicYN="N">prognosis</Keyword><Keyword MajorTopicYN="N">reverse nystagmus</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>7</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>7</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>6</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">32597824</ArticleId><ArticleId IdType="pii">VES200700</ArticleId><ArticleId IdType="doi">10.3233/VES-200700</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Turquie</li></country></list><tree><country name="Turquie"><noRegion><name sortKey="Jafarov, Sabuhi" sort="Jafarov, Sabuhi" uniqKey="Jafarov S" first="Sabuhi" last="Jafarov">Sabuhi Jafarov</name></noRegion><name sortKey="Bahcecitapar, Melike" sort="Bahcecitapar, Melike" uniqKey="Bahcecitapar M" first="Melike" last="Bahcecitapar">Melike Bahcecitapar</name><name sortKey="Hizal, Evren" sort="Hizal, Evren" uniqKey="Hizal E" first="Evren" last="Hizal">Evren Hizal</name><name sortKey="Ozluoglu, Levent N" sort="Ozluoglu, Levent N" uniqKey="Ozluoglu L" first="Levent N" last="Ozluoglu">Levent N. 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