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Otol Neurotol ; 38(6): e168-e172, 2017 07.
Artículo en Inglés | MEDLINE | ID: mdl-28414694

RESUMEN

OBJECTIVE: To analyze the frequency in which vibration-induced nystagmus (VIN) with ipsilesional direction appears in subjects with Ménière's disease (MD) or vestibular schwannoma (VS). STUDY DESIGN: Cross-sectional study. SETTING: Tertiary referral center. PATIENTS: Fifty-two subjects with MD and 21 subjects with vestibular schwannoma. INTERVENTION: Videonystagmographic recordings of VIN at 30, 60, and 100 Hz. MAIN OUTCOME MEASURES: Direction and slow phase velocity of VIN at 30, 60, and 100 Hz. RESULTS: Ipsilesional Nystagmus was observed in 8 of 52 subjects with MD (15.4%) and in 11 of 21 subjects affected of unilateral VS (52.4%). Ipsilesional nystagmus was significantly higher in patients with VS (p = 0.003). The frequency of appearance of ipsilesional nystagmus in the subjects with VS who has not been treated was significantly higher than those who underwent radiosurgery (84.6% vs 0%, p = 0.046). CONCLUSION: Ipsilesional vibration-induced Nystagmus can be present in subjects with vestibular deficits caused by MD and VS.


Asunto(s)
Enfermedad de Meniere/complicaciones , Neuroma Acústico/complicaciones , Nistagmo Patológico/etiología , Adulto , Estudios Transversales , Femenino , Humanos , Masculino , Persona de Mediana Edad , Vibración
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