Benign Paroxysmal Positional Vertigo: Concomitant Involvement of Different Semicircular Canals

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dc.contributor.author Tomaz, Andreza [UNIFESP]
dc.contributor.author Ganança, Mauricio Malavasi [UNIFESP]
dc.contributor.author Ganança, Cristina Freitas [UNIFESP]
dc.contributor.author Ganança, Fernando Freitas [UNIFESP]
dc.contributor.author Caovilla, Heloisa Helena [UNIFESP]
dc.contributor.author Harker, Lee [UNIFESP]
dc.date.accessioned 2018-06-15T13:50:13Z
dc.date.available 2018-06-15T13:50:13Z
dc.date.issued 2009-02-01
dc.identifier http://dx.doi.org/10.1177/000348940911800206
dc.identifier.citation Annals Of Otology Rhinology And Laryngology. St Louis: Annals Publ Co, v. 118, n. 2, p. 113-117, 2009.
dc.identifier.issn 0003-4894
dc.identifier.uri http://repositorio.unifesp.br/11600/42578
dc.description.abstract Objectives: We evaluated the simultaneous ipsilateral or contralateral involvement of the posterior and lateral, anterior and lateral, or posterior and anterior semicircular canals in patients with benign paroxysmal positional vertigo (BPPV).Methods: The files of 2,345 patients with BPPV were analyzed.Results: Single-canal BPPV occurred in 2,3 10 cases (98.5%) - unilaterally in 2,058 (89.1%) and bilaterally in 252 (10.9%). Multiple-canal BPPV occurred in 35 cases (1.5%). Of these 35 cases, there was simultaneous involvement of the posterior and lateral canals on the same side (23) or on opposite sides (9) in 32 cases (91.4%). Simultaneous involvement of the anterior canal on one side and the posterior canal on the opposite side occurred in 2 cases (5.7%), and that of the anterior canal on one side and the lateral canal on the opposite side occurred in 1 case (2.9%). All cases represented canalithiasis.Conclusions: Multiple-canal BPPV was rare, and usually involved canals on the same side; simultaneous involvement of the posterior and lateral canals was Much more common than involvement of the anterior and posterior canals or the anterior and lateral canals. Trauma increased the risk for multiple-canal BPPV, but not the risk for bilateral single-canal BPPV. Cupulolithiasis was not a factor in multiple-canal BPPV. en
dc.format.extent 113-117
dc.language.iso eng
dc.publisher Annals Publ Co
dc.relation.ispartof Annals Of Otology Rhinology And Laryngology
dc.rights Acesso restrito
dc.subject inner ear en
dc.subject semicircular canal en
dc.subject vertigo en
dc.title Benign Paroxysmal Positional Vertigo: Concomitant Involvement of Different Semicircular Canals en
dc.type Artigo
dc.contributor.institution Universidade Federal de São Paulo (UNIFESP)
dc.contributor.institution Univ Bandeirante Sao Paulo
dc.description.affiliation Univ Fed Sao Paulo, Dept Human Commun Disorders, Paulista Sch Med, Sao Paulo, Brazil
dc.description.affiliation Univ Fed Sao Paulo, Dept Otorhinolaryngol, Paulista Sch Med, Sao Paulo, Brazil
dc.description.affiliation Univ Fed Sao Paulo, Dept Neurootol, Paulista Sch Med, Sao Paulo, Brazil
dc.description.affiliation Univ Bandeirante Sao Paulo, Postgrad Course Vestibular Rehabil & Social Inclu, Sao Paulo, Brazil
dc.description.affiliationUnifesp Univ Fed Sao Paulo, Dept Human Commun Disorders, Paulista Sch Med, Sao Paulo, Brazil
dc.description.affiliationUnifesp Univ Fed Sao Paulo, Dept Otorhinolaryngol, Paulista Sch Med, Sao Paulo, Brazil
dc.description.affiliationUnifesp Univ Fed Sao Paulo, Dept Neurootol, Paulista Sch Med, Sao Paulo, Brazil
dc.identifier.doi 10.1177/000348940911800206
dc.description.source Web of Science
dc.identifier.wos WOS:000263735500006



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