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      Canal switch after canalith repositioning procedure for benign paroxysmal positional vertigo.

      1 , , ,
      The Laryngoscope
      Wiley

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          Abstract

          Canal switch is a complication following canalith repositioning procedure (CRP) for posterior canal benign paroxysmal positional vertigo (BPPV). Instead of being returned to the utricle, the loose otoconia migrate into the superior or horizontal semicircular canal. Patients remain symptomatic, and treatment can be ineffective unless the switch is recognized and additional repositioning maneuvers directed toward the appropriate semicircular canal are performed. This report provides the first videographic documentation of canal switch involving conversion of unilateral posterior semicircular canal BPPV to geotropic horizontal canalithiasis.

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          Author and article information

          Journal
          Laryngoscope
          The Laryngoscope
          Wiley
          1531-4995
          0023-852X
          Sep 2012
          : 122
          : 9
          Affiliations
          [1 ] Division of Otology and Neurotology, Department of Otolaryngology-Head and Neck Surgery, University of Michigan Health System, Ann Arbor, Michigan, USA.
          Article
          10.1002/lary.23315
          22549695
          c17b4e7f-f609-497b-8b57-f5d17b9b8b89
          History

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