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Year : 2014  |  Volume : 30  |  Issue : 3  |  Page : 234-236

Vestibular evoked myogenic potentials results of dizzy patients with normal videonystagmography

1 ENT Department, Faculty of Medicine, Misr University for Science and Technology, Cairo, Egypt
2 Audiology Unit, ENT Department, Faculty of Medicine, Beni-Suef University, Beni Suef, Cairo, Egypt

Correspondence Address:
Tarek El Dessouky
Associate Professor of Audio-Vestibular Medicine, 14 Abd El Hady St, Manial, Cairo
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1012-5574.138480

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Aim The aim of this study is to detect saccular dysfunction tests using vestibular evoked myogenic potentials (VEMPs) in dizzy patients with normal videonystagmography (VNG) findings. Patients and methods Thirty patients complaining of dizziness with normal VNG findings were studied. They were subjected to full assessment of history, basic audiological evaluation, VNG, and VEMPs. VEMPs were evaluated in both ears of all cases through absolute latencies of p13 and n23. Results VEMPs showed abnormalities in 19 patients (66.3%). Ten patients (33.3%) showed unilateral absent, six patients (20%) showed bilateral absent, and three patients (20%) showed shifted latencies. Conclusion VEMP appears to be a valuable tool in the detection of initial saccular abnormalities initially in dizzy patients with normal VNG findings.

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