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J Audiol Otol > Epub ahead of print
DOI: https://doi.org/10.7874/jao.2018.00304    [Epub ahead of print] Published online December 7, 2018.
Evaluation of Saccule Function in Patients with Vitamin D Deficiency
Hossein Talebi1, Marziyeh Moallemi1,2, Mitra Ghorbani1
1Department of Audiology, Faculty of Rehabilitation, Communication Disorders Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
2Department of Audiology, Faculty of Rehabilitation, Iran University of Medical Sciences, Tehran, Iran
Correspondence  Marziyeh Moallemi ,Tel: +98-31-3669-3089, Fax: +98-31-3669-3089, Email: Marziyehmoallemi@yahoo.com
Submitted: June 22, 2018  Accepted after revision: August 14, 2018
Background and Objectives
Considering important role of vitamin D in many physiological processes including vestibular system in the ear, aim of present study is to evaluate saccule function via cervical vestibular evoked myogenic potential (cVEMP), in patients with vitamin D deficiency.
Subjects and Methods
After routine audiological tests, cVEMP were recorded in 15 patients with vitamin D deficiency and 16 normal subjects. The short tone burst (95 dB nHL, 500 Hz) was presented to ears. cVEMP was recorded with surface electromyography over the contracted ipsilateral sternocleidomastoid muscle.
Mean of p13, n13, interpeak latencies and amplitude ratios were measured in both groups. Statistical analysis did not show differences between two groups.
Maybe serum 25-hydroxyvitamin D concentration was not low enough to have effect on saccule in the patients in present study or saccule have had low susceptibility to effects of vitamin D deficiency. For better judgment about effect of vitamin D deficiency on saccular function planning studies with high sample size is recommended.
Keywords: Saccule · Vitamin D deficiency · Cervical vestibular evoked myogenic potential
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