Benign Paroxysmal Positional Vertigo (BPPV) is a common cause of vertigo, characterized by brief episodes of dizziness triggered by changes in head position.
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Added: Sep 26, 2024
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BEINGN PAROXYSMAL POSITIONAL VERTIGO DR AGHORIGHOR SINEON DAMA DELSUTH ENT DEPARTMENT
INTRODUCTION Beingn paroxysmal positional vertigo (BPPV) is a peripheral Vestibular disorder which may involve any of the 3 semicircular canal principally the posterior canal Characterised by short duration nystagmus, provoked by head movement
Epidemiology Most commonly diagnosed vestibular disorder No evidence base racial difference Female affected more Older age group affected more Rare in children
Classification Anatomical location Posterior – most common 90% Lateral – 8% Superior – 2% EtiologY Primary or idiophatic secondary
ETIOLOGY PRIMARY OR IDIOPTHATIC (50-70%) SECONDARY Head trauma Vestibular neuritis Meineres disease Otitis media Otosclerosis Inner ear surgeries
Pathogenesis
pathogenesis Cupulolithiasis Canalithiasis
Clinical Presentation classic BPPV is the most common variety of BPPV. It involves the posterior SCC and is characterized by the following: Geotropic nystagmus with the problem ear down Predominantly rotatory fast phase toward undermost ear Latency (a few seconds) Limited duration (< 20 s) Reversal upon return to upright position Response decline upon repetitive provocation
Presentation Associated nausea and vomiting Fear of falling backwards Unsteadiness of gait Postural instability Nil auditory symptoms Atypical presentation
investigation
management History Examination Investigations treatment
treatment Counselling Vestibular sedatives Vestibular repositioning manoeuvre Epleys manoeuver Brandt and daroff exercise Semonts - libertory maneuver Surgery for intractable cases Posterior canal occlusion Singular nectrectomy
Epleys repositioning click to play
conclusion BPPV is a commonly diagnosed vestibular disorder Counselling and repositioning are important in its treatment Prognosis is good