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Diagnostic Value of Video Head Impulse Test for Patients with Benign Paroxysmal Positional Vertigo
  • Özlem Yüksel Coşar,
  • Akif İşlek,
  • Hale Aslan
Özlem Yüksel Coşar
Dr Ersin Arslan Training and Research Hospital

Corresponding Author:[email protected]

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Akif İşlek
Nusaybin State Hospital
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Hale Aslan
Izmir Katip Celebi University
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Objectives: This study aims to investigate the value of Video head impulse test (vHIT) findings in peripheral vertigo diseases, especially in Benign paroxysmal positional vertigo (BPPV) in the acute period. Design: A prospective study was designed. Setting: Otorhinolaryngology and Audiology Clinic of the tertiary university , October 2017-September 2018. Participants: Patients diagnosed with peripheral vertigo included prospectively and consecutively in the study. Main outcome measures: Demographic characteristics of the patients and pathological SCC detected by examination and diagnostic maneuver for BPPV patients were recorded. Vestibulo-ocular reflex (VOR) gain was calculated in all patients and all six SCCs. Two sub-study groups were formed according to age (<50 or >50). Also VOR gain detected for BPPV, Vestibular neuritis (VN), and Meniere’s disease (MD). Results: 74 (82.2%) of the patients were Benign paroxysmal positional vertigo (BPPV), eight (8.9%) of patients were vestibular neuritis (VN), and eight (8.9 %) of them were Meniere’s disease (MD). Pathological deficiency of VOR for SCCs was detected in 49 of 74 (66.2%) patients with BPPV, all eight patients with VN (100%), and four of eight patients with Meniere’s disease (50%). The sensitivity and specificity calculated as 55.4% and 81.2% for BPPV patients. Conclusions: vHIT is a new protocol and provides objective findings for SCC functions in patients with peripheral vertigo. vHIT can be performed faster and easier than the caloric stimulation test for VN diagnosis with comparable results. However, vHIT does not provide sufficient results for BPPV to distinguish from other peripheral vestibular system diseases.