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Research in Vestibular Science > Accepted Articles
Extremely long latency Benign Paroxysmal Positional Vertigo. A case report
Emil Riis Abrahamsen1 , Dan Dupont Hougaard1
1Department of Otolaryngology, Head & Neck Surgery & Audiology, Aalborg University Hospital, Aalborg, Denmark
2The Faculty of Medicine, Department of Clinical Medicine, Aalborg University Hospital, Aalborg, Denmark
Correspondence  Emil Abrahamsen ,Tel: +45 51905968, Fax: +45 97662721, Email: e.abrahamsen@rn.dk
Received: March 11, 2017;  Accepted: May 15, 2017.  Published online: May 15, 2017.
ABSTRACT
Objective:   Case history of a 67-year-old man diagnosed with posterior benign paroxysmal positional vertigo with extremely long latencies after holding the Dix-Hallpike position for five minutes. Additional vestibular assessment indicated partial unilateral hypofunction.
Method:   Case report
Results:   Patient history compatible with classic BPPV. This patient, however, did not have any positional nystagmus after doing standard positional testing. With extremely prolonged Dix-Hallpike testing (five minutes), the patient experienced nausea and vertigo. Concomitantly classic peripheral nystagmus was observed. After a total of seventeen treatments in a reposition chair a total relief of symptoms was obtained.
Conclusions:   Patient history compatible with BPPV. The extremely long latencies observed in this patient were ascribed to otoconial adherence and/or otoconial size. This type of BPPV has not previously been described.
Keywords: Benign Paroxysmal Positional Vertigo (BPPV); Long latency BPPV; Dix-Hallpike; Epley Maneuver; Inner ear disease; TRV Reposition Chair
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