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  • Title: Clinical Features and Management of Drop Attacks in Menière's Disease. Special Emphasis on the Possible Occurrence of Vertigo After the Drop Attacks.
    Author: Lelonge Y, Karkas A, Peyron R, Reynard P, Convers P, Bertholon P.
    Journal: Otol Neurotol; 2021 Sep 01; 42(8):1269-1274. PubMed ID: 33973950.
    Abstract:
    INTRODUCTION: Tumarkin first described drop attacks (DA) in patients with a peripheral vestibular syndrome and speculated the role of a mechanical deformation of the otolith organs. We emphasized on the possible occurrence of vertigo/dizziness after a DA. In the light of the oculomotor examination of one patient right after the DA, we discussed on the mechanisms. We also described the management of DA. MATERIAL AND METHOD: This study included patients with definite Meni�re's disease (MD) and at least one DA without associated neurological symptoms. Patients with vertigo/dizziness after the fall were not excluded. RESULTS: Fifteen patients with MD complained of DA that was complicated either by severe head trauma (n = 1) or various fractures (n = 4). Seven patients complained of vertigo/dizziness after the DA. In one patient, DA occurred in the waiting room with a vertical illusion of movement immediately after the fall and a predominant down beating nystagmus that later changed direction. Follow up was favorable in all patients after oral medication alone (n = 7), chemical labyrinthectomy (n = 7) or vestibular neurotomy (n = 1). CONCLUSIONS: We suggest that a subset of patients with MD can complain of vertigo after a DA. We conclude on the possible occurrence of a vertical mainly down beating nystagmus in MD. Since this latter nystagmus is likely related to a semicircular canal rather than an otolith dysfunction, we discuss on the mechanisms of DA followed by vertigo/dizziness. Due to the risk of trauma in DA, chemical labyrinthectomy is a reasonable and effective option although spontaneous remission is possible.
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