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Prospective cohort study evaluates vestibular function in idiopathic sudden sensorineural hearing loss, suggesting hearing severity predicts outcomes.
BACKGROUND: Idiopathic sudden sensorineural hearing loss (ISSHL) can be associated with vestibular organ involvement, which may influence it prognosis. OBJECTIVE: Evaluate vestibular function in ISSNHL without acute vestibular syndrome (AVS) and to examine associations with baseline hearing loss. MATERIAL AND METHODS: Prospective cohort study of adults (18-65 years) with ISSNHL treated between February 2024 and September 2025. Video head impulse test (vHIT) and cervical vestibular evoked myogenic potentials (cVEMPs) was performed within the first month and at 6 months from diagnosis. All patients received high-dose systemic corticosteroids with salvage intratympanic corticosteroids. CONCLUSIONS: Subclinical vestibular dysfunction is frequent in ISSNHL without AVS. SIGNIFICANCE: Baseline hearing severity predicts short-term outcome, while vHIT and cVEMP abnormalities were not independent prognostic markers in our cohort.
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Rodríguez-Izquierdo et al. (2026) studied this question.
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