BENIGN PAROXYSMALPOSITIONAL VERTIGO (BPPV) Col Dr Anwar ul Haq ENT Consultant +923018513303
BPPV-DefinitionA self-limited condition characterizedby episodic vertigo and nystagmus ofbrief duration. It is provoked byassuming very specific head positions
EPIDEMIOLOGYThe most commonly recognized vestibulardisorderThe mean age at onset was 54 years, witha range of 11 to 84 years107 cases per 100,000 populations peryear
PATHOPHYSIOLOGYThe prevailing theory of BPPV is thatotoconia (calcium particles) are shed fromthe utricular macula and migrate to theposterior semi-circular canal.
PATHOPHYSIOLOGYCupulolithiasisOtoconia particles may settle into thesensory organ cupula of the posteriorsemi-circular canalCanalithiasisOtoconia continue to free float within theendolymph of the posterior canal
AETIOLOGYIdiopathicHead injuryViruses affecting the earSurgery
POST MANOEUVRE INSTRUCTIONSWait for 10 minutes after the manoeuvre isperformedDont let the patient to driveSleep semi-recumbent for the next twonightsFor at least one week, avoid provokinghead positions