AI Article Synopsis
- Canal switch is a complication that can occur after a canalith repositioning procedure (CRP) for posterior canal BPPV, where otoconia instead migrate to other semicircular canals.
- If not recognized, patients may continue to experience symptoms, and standard treatments may not work, necessitating targeted maneuvers for the correct canal.
- This report presents the first video documentation of a canal switch turning unilateral posterior BPPV into geotropic horizontal canalithiasis.
Article 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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| http://dx.doi.org/10.1002/lary.23315 | DOI Listing |
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