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Vestibular evoked myogenic potentials in patients with fibromyalgia syndrome

Published online by Cambridge University Press:  22 February 2010

Y A Bayazit ,
F Celenk ,
A G Gunduz ,
B Gunduz ,
N Ondag  and
J Meray
Y A Bayazit*
Affiliation:
Department of Otorhinolaryngology, Faculty of Medicine, Gazi University, Ankara, Turkey
F Celenk
Affiliation:
Department of Otorhinolaryngology Clinic, Mersin Toros Government Hospital, Ankara, Turkey
A G Gunduz
Affiliation:
Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Hacettepe University, Ankara, Turkey
B Gunduz
Affiliation:
Department of Audiology, Faculty of Medicine, Gazi University, Ankara, Turkey
N Ondag
Affiliation:
Department of Audiology, Faculty of Medicine, Gazi University, Ankara, Turkey
J Meray
Affiliation:
Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Gazi University, Ankara, Turkey
*
Address for correspondence: Dr Yildirim A Bayazit, Department of Otorhinolaryngology, Gazi University Faculty of Medicine, 06500 Besevler, Cankaya, Ankara, Turkey. Tel: +90 312 2026432 E-mail: bayazity@yahoo.com
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Abstract

Objective:

To assess vestibular evoked myogenic potentials in patients with fibromyalgia syndrome.

Methods:

Twenty-four patients with fibromyalgia syndrome (two men and 22 women) and 21 female controls were included in the study. All patients underwent vestibular evoked myogenic potential testing.

Results:

Statistical comparison of fibromyalgia patients with control subjects showed a significant difference with respect to n23 latencies and interpeak latencies (p < 0.05). There was no significant difference in p13 latencies, nor in p13 amplitudes, n23 amplitudes or interpeak amplitudes (p > 0.05).

Conclusions:

Although patients with fibromyalgia syndrome generally have subjective neurotological symptoms, clinical and laboratory assessments usually fail to detect any objective abnormality. However, it is possible to detect abnormalities on vestibular evoked myogenic potential testing in such patients, indicating dysfunction in the vestibulospinal pathway, possibly in the saccule. Elongation of the n23 latency and of the interpeak latency of waves p13–n23, during vestibular evoked myogenic potential testing, may be a useful, objective indicator demonstrating neurotological involvement in fibromyalgia syndrome patients. Future research investigating the mechanisms of this latency elongation may help increase understanding of the pathogenesis of fibromyalgia syndrome.

Keywords

FibromyalgiaVestibular Function TestsVestibular Evoked Myogenic Potential
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 124 , Issue 6 , June 2010 , pp. 610 - 615
Copyright
Copyright © JLO (1984) Limited 2010

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