良位BPPV2013.pdf

204 Benign Paroxysmal Positional Vertigo Michael von Brevern, MD1,2 1 Department for Neurology, Park-Klinik Weissensee, Berlin, Germany Address for correspondence Michael von Brevern, MD, Department of 2 Vestibular Research Group, Berlin, Germany Neurology, Park-Klinik Weissensee, Schönstrasse 80, 13086 Berlin, Germany (e-mail: von.brevern@). Semin Neurol 2013;33:204–211. Abstract Benign paroxysmal positional vertigo (BPPV) is the most common and the most effectively treated vestibular disorder. The prevailing pathomechanism is canalolithia- sis, which is otoconia falling in one of the semicircular canals where they move in Keywords response to changes of the head position, triggering excitation of the vestibular ► positional vertigo receptors of the affected canal. In the majority of patients with BPPV, the posterior ► paroxysmal vertigo canal is affected by canalolithiasis and there are two highly effective therapeutic ► dizziness maneuvers for treatment. About 20% of patients present with lithiasis of the horizontal l. a i ► canalolithiasis or anterior canal. The author focuses on recent advances in d