Unilateral Meniere Disease: Can Double Dose Gadolinium and Delayed Imaging Make the Diagnosis?
Meniere DiseaseThe purpose of this research study is to see if magnetic resonance imaging (MRI) with a double dose of contrast, or dye, and delayed imaging with MRI can help to diagnose Meniere Disease.
Acceleration of the Kinetics of Diffusion of Gadolinium in the Perilymphatic Structures of the Inner...
Inner Ear ; Meniere's Disease; ImagingTo determine the optimal delay after Gadolinium injection to analysis inner ear structures as measured by repeated MR 3D-FLAIR Weighted Imaging. We hypothesize that the endolymphatic structures can be distinguished earlier than 4 hours after contrast media injection.
Comparison of 3 Methods to Diagnose Endolymphatic Hydrops in Meniere's Disease
Endolymphatic HydropsThe aim of this study is to compare 3 methods for the diagnosis of endolymphatic hydrops (EH) in patients with Meniere's disease: MRI 3 Tesla (to visualise EH directly), and functional explorations, namely electrocochleography and dephasing of acoustic distortion products (which are modified by the EH). The research hypothesis is that the examinations will show agreement in the diagnosis of EH, and that the results obtained (quantitative values) will vary in the same direction over time and during flares of MD.
Metabolic Disorders and Vertigo
Benign Paroxysmal Positional Vertigo (BPPV)Vestibular Migraine3 moreThe purpose of investigation is to assess the levels of metabolic factors (hydroxyvitamin D, homocysteine) between patients with vestibular dysfunction of peripheral origin (BPPV) and central origin (vestibular migraine). Also we will analyse another factors (such as anxiety and depression) and optimize therapeuthical approach accordingly with the data.
CAVA: Dizziness Trial
Meniere's DiseaseBenign Paroxysmal Positional Vertigo2 moreClinical investigation of a medical device (CAVA) for recording eye movements. Patients suffering from diagnosed dizziness conditions will wear the device for 23 hours a day, for 30 days. The device will capture normal eye movement data as well as data corresponding to any dizzy events experienced. At the end of the trial, the data will be downloaded and a scientist will perform a blinded analysis of the data. Specifically, they will attempt to identify the dates on which dizziness was reported.