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An unusual complication of cochlear implant: benign paroxysmal positional vertigo

Published online by Cambridge University Press:  29 June 2007

Stefano Di Girolamo*
Affiliation:
Department of OtorhinolaryngologyCatholic University of the Sacred Heart, Rome, Italy.
Anna Rita Fetoni
Affiliation:
Department of OtorhinolaryngologyCatholic University of the Sacred Heart, Rome, Italy.
Walter Di Nardo
Affiliation:
Department of OtorhinolaryngologyCatholic University of the Sacred Heart, Rome, Italy.
Gaetano Paludetti
Affiliation:
Department of OtorhinolaryngologyCatholic University of the Sacred Heart, Rome, Italy.
*
Address for correspondence: Stefano Di Girolamo M.D., Institute of Otorhinolaryngology, Catholic University of the Sacred Heart, Largo Agostino Gemelli, 8, 100168 Rome, Italy. Fax: +39-06-3051194, +39-06-3051343 e-mail: sdigirolamo@rm.unicatt.it

Abstract

Three days after the initial fitting of the cochlear device a 40-year-old woman complained of severe rotational vertigo following head movements associated with neurovegetative symptoms. Otoneurological evaluation revealed a horizontal paroxysmal positional nystagmus beating towards the lowermost ear, induced by rolling the patient's head from supine both to the right or to the left lateral position suggesting the diagnosis of benign paroxysmal positional vertigo of the left horizontal semicircular canal. The nystagmus characteristics were the same whether the cochlear device was switched on or off. The hypothesis of an otolith dislodging due to the electrical stimulation during the initial fitting is discussed.

Type
Clinical Records
Copyright
Copyright © JLO (1984) Limited 1999

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