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ABSTRACT: Benign paroxysmal positional vertigo (BPPV) is the most common cause of vertigo in the otolaryngology clinic. The liberatory maneuvers are the treatment of choice in this entity. In a low percentage of patients, about 5-10%, we found no response to the maneuvers. The occlusion of the posterior semicircular canal is offered for intractable cases. We report a case of woman with an intractable BPPV in which an occlusion of the posterior semicircular was done. We describe the indications, how to perform the surgery and the functional results of this technique.
Acta Otorrinolaringológica Española 01/1999; 50(8):640-3.