When Particle Repositioning Maneuvers Just Will Not Stick: Clinical Considerations for Persistent Benign Paroxysmal Positional Vertigo.

PURPOSE: Although benign paroxysmal positional vertigo (BPPV) is often considered benign and easily treatable, aberrant cases of persistent BPPV can be challenging to manage. Detailed differential diagnosis is essential as central-, vascular-, and cervical-related etiologies may mirror the presentation of persistent BPPV. In addition, an understanding of alternative noninvasive treatment options is important as persistent BPPV is often refractory to traditional particle repositioning maneuvers (PRMs). This article reviews clinical considerations for persistent BPPV.

METHOD: A case of a 68-year-old male diagnosed with posterior semicircular canal BPPV (PC-BPPV) and received various unsuccessful PRMs treatments is described. His clinical presentation is referenced alongside various possible etiologies to discern the most likely diagnosis. Nonsurgical treatment options for intractable PC-BPPV will also be reviewed.

CONCLUSIONS: BPPV recalcitrant to PRM treatment warrants investigation of other etiologies; however, key elements of the case history and objective examination are helpful for differential diagnosis. Brandt-Daroff exercises may facilitate habituation of symptoms secondary to persistent BPPV. More research is needed to understand the use of multiaxial repositioning chairs for the treatment of intractable BPPV.