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Electrocochleographic findings and the effects of lidocaine on tinnitus in non-hearing ears.

Published online by Cambridge University Press:  29 June 2007

P. Jackson
P. Jackson*
Affiliation:
London
*
Peter Jackson, F.R.C.S., Consultant ENT Surgeon, Greenwich District Hospital, Vanbrugh Hill, London SE10 9HE.
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Abstract

In the preceeding report (Jackson, 1985) the author produced evidence which brought into question the widely held view that, in abolishing tinnitus, lidocaine was acting ‘centrally’. This present investigation is another approach to attempt to narrow the site of action of lidocaine in abolishing tinnitus.

During a four-year period, patients suffering from strictly unilateral tinnitus which was referred to, and therefore apparently arising from, an ipsilateral ‘dead’ ear, underwent electrocochleography. Additionally, the subjective effect on the tinnitus of a bolus injection of lidocaine was recorded. Nine patients were available for this study, which appears to show a correlation of the results of the elec-trocochleogram and the effects of the lidocaine injection, although the numbers are small.

Type
Research Article
Information
The Journal of Laryngology & Otology , Volume 99 , Issue 7 , July 1985 , pp. 667 - 670
Copyright
Copyright © JLO (1984) Limited 1985

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