Dissociation of Caloric and Video Head Impulse Tests in Patients With Delayed Endolymphatic Hydrops

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Delayed endolymphatic hydrops as a clinical entity.

Delayed endolymphatic hydrops (DEH) is a clinical entity that can be differentiated from Ménière's disease and is typically observed in patients who have been suffering from longstanding unilateral profound inner-ear hearing loss. DEH probably is caused by delayed atrophy or fibrous obliteration of the endolymphatic resorptive system of the membranous labyrinth. The time that elapses between th...

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Delayed endolymphatic hydrops: a case study.

Delayed endolymphatic hydrops (DEH) is an unusual variation of Ménière's disease characterized by episodic vertigo that develops some time after the onset of a profound, typically unilateral sensorineural hearing loss. This case study describes a 48-year-old male who presented with complaints of episodic vertigo and disequilibrium 15 years following the onset of unilateral sensorineural hearing...

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The Caloric Test and the Video Head-Impulse Test in Patients with Vertigo

MATERIALS and METHODS: This is a prospective work in 123 patients with different types of vestibular disease seen because of dizziness in which both procedures were performed the same day. First, the spontaneous nystagmus and head-shake nystagmus were measured. The video head-impulse test was carried out, and finally, the caloric test was performed with water at two different temperatures. Both...

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Relationship between video head impulse test (vHIT) and caloric test in patients with vestibular neuritis.

INTRODUCTION AND OBJECTIVES The caloric test is the gold standard for the loss of vestibular function diagnosis. The Video Head Impulse Test (vHIT) assesses the same reflex by using a video- assisted examination of the impulsive maneuver. We intend to compare the variation of results of the vHIT and the caloric test in patients with vestibular neuritis with respect to their initial condition at...

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ژورنال

عنوان ژورنال: Frontiers in Neurology

سال: 2020

ISSN: 1664-2295

DOI: 10.3389/fneur.2020.00362