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ORIGINAL ARTICLE
Year : 2020  |  Volume : 26  |  Issue : 1  |  Page : 27-31

An electronystagmographic study in post head injury vertigo patients


Department of ENT, DR. B.R.A.M.C.H, Bangalore, Karnataka, India

Correspondence Address:
Dr. Shruthi Dechamma
#293, 4th Main, 4th Cross, Coffee Board Layout, Hebbal Kempapura, Bengaluru - 560 024, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/indianjotol.INDIANJOTOL_7_19

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Vertigo is a well-known sequelae in post head injury patients. Etiopathology is multifactorial. Vertigo is recognized in all types of head injury-mild-to-severe and is a part of the post-concussion syndrome. However, it may also present later due to degenerative process involving the vestibular system. The observations made by the analysis of the tracings of electronystagmography and by noting the corresponding code we can identify the site and side of the vestibular lesion. The present study intends to understand post head injury vertigo using electronystagmography. Objectives of the Study: To evaluate post head injury vertigo using electronystagmography, to determine the side and site of origin of vertigo, and to localize the level of lesion – peripheral, central, or combined. Methodology: Fifty patients with post head injury vertigo presenting to ENT OPD of Dr. B. R. Ambedkar Medical College and Hospital were included in the study after taking their consent. Observations and Results: Fifty patients with post head injury vertigo were subjected to electronystagmography. Young adults between the age group of 20 and 30 years were found to be the most common group involved, constituted 34% of the patients. Equal gender predisposition was observed. 1111 ENG CODE was found to be the most common type seen in 18% of the cases, followed by 0000 in 16% of patients, and 0222 seen in 16% of the patients. Bilateral peripheral lesion was the most common type seen in 36% of patients followed by unilateral peripheral lesion in 20% of patients, central lesion in 22%, and normal in 20%. Conclusion: Electronystagmography is an effective tool in the assessment of post head injury vertigo. It is useful in identifying the cause of vertigo and to localize the lesion for timely management and early vestibular rehabilitation of the patient providing better clinical outcome.


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