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The video head impulse test

2014; Taylor & Francis; Volume: 134; Issue: 12 Linguagem: Inglês

10.3109/00016489.2014.942439

1651-2251

Pedro Luiz Mangabeira Albernaz, Francisco Carlos Zuma e Maia,

Hearing, Cochlea, Tinnitus, Genetics

Conclusion: Additional research is needed to validate the importance of the video head impulse tests (vHIT), but it provides an important contribution to the evaluation of anterior and posterior semicircular canal disorders. Objectives: To share observations of the vHIT test in clinical neurotology and to discuss the significance of the study findings. Methods: This study comprised 200 patients with a clinical history of vestibular disturbances who were submitted to a vHIT including all six semicircular canals. Results: Abnormal responses of the anterior and posterior canals were found in several patients, either alone or combined with altered responses in the lateral canals. A unilateral hypoactive response of a posterior canal was found in a patient with a small vestibular schwannoma.