Benign Paroxysmal Positional Vertigo

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Benign paroxysmal positional vertigo (BPPV) is the most common and the most effectively treated vestibular disorder. The prevailing pathomechanism is canalolithiasis, which is otoconia falling in one of the semicircular canals where they move in response to changes of the head position, triggering excitation of the vestibular receptors of the affected canal. In the majority of patients with BPPV, the posterior canal is affected by canalolithiasis and there are two highly effective therapeutic maneuvers for treatment. About 20% of patients present with lithiasis of the horizontal or anterior canal. The author focuses on recent advances in diagnosis and treatment of the more rare variants of BPPV.

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