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  • Title: Particle repositioning maneuver for benign paroxysmal positional vertigo.
    Author: Welling DB, Barnes DE.
    Journal: Laryngoscope; 1994 Aug; 104(8 Pt 1):946-9. PubMed ID: 8052079.
    Abstract:
    The recent demonstration of free-floating particles in the endolymph of the posterior semicircular canal in patients with benign paroxysmal positional vertigo (BPPV) has renewed interest in the physiology and treatment of this entity. The particle repositioning maneuver (PRM) relocates the free-floating particles from the posterior semicircular canal back into the utricle, relieving the patient of bothersome, often long-standing vertigo. This report represents a prospective study of 27 consecutive patients seen with a diagnosis of BPPV. Eighty-four percent of the patients treated with the particle repositioning maneuver who had no other associated pathology were cured or significantly improved with this new technique. Two patients who failed conservative management went on to surgical intervention with the posterior semicircular canal occlusion. The authors find the particle repositioning maneuver effective for many patients with benign positional vertigo and recommend it as the first-line treatment modality for BPPV.
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