Which factors may indicate repeated need for canalith repositioning (CRP) during treatment of benign paroxysmal positional vertigo (BPPV)?

Updated: Feb 15, 2018
  • Author: John C Li, MD; Chief Editor: Arlen D Meyers, MD, MBA  more...
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A retrospective study by Yoon et al of 1900 patients indicated that the following risk factors increase the chance that a patient with BPPV will need multiple CRPs: longer pretreatment duration of vertigo, involvement of bilateral or multiple canals, and age over 50 years. [24]

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