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[Herpetic vestibular neuronitis: a hypothesis]

D Petrone¹, G De Benedittis, N De Candia

¹Itituto Policattedra di Otorinolaringoiatria, Università di Bari.

Acta Otorhinolaryngologica Italica : Organo Ufficiale Della Societa Italiana Di Otorinolaringologia E Chirurgia Cervico-Facciale

|March 1, 1993

Summary

This summary is machine-generated.

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Herpes simplex virus type 1 (HSV-1) can cause subclinical vestibular dysfunction, affecting eye movements and potentially leading to vertigo. HSV-2 infections did not show similar vestibular effects in this study.

Area of Science:

Neurology
Ophthalmology
Virology

Context:

Herpes simplex virus (HSV) is known to affect nervous pathways.
Vestibular system function is crucial for balance and spatial orientation.
Subclinical neurological effects of viral infections are often underdiagnosed.

Purpose:

To investigate the effects of herpes simplex virus type 1 (HSV-1) and type 2 (HSV-2) on vestibular function.
To assess objective signs of vestibular system involvement using electronystagmography (ENG).
To explore the potential role of HSV in the etiology of unexplained vertigo.

Summary:

Fifty subjects with HSV-1 and 15 with HSV-2 underwent electronystagmography (ENG) to record spontaneous and optokinetic nystagmus (OKN) and eye-tracking-test (ETT).

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HSV-1 infection was associated with spontaneous nystagmus and alterations in OKN and ETT, particularly during the acute phase.

No objective vestibular abnormalities were detected in HSV-2 infected subjects.

Impact:

HSV-1 infections can lead to subclinical vestibular alterations, likely involving the brainstem.
These findings suggest HSV should be considered in the differential diagnosis of vertigo of unknown origin.
The study highlights the importance of considering viral etiologies in neurological and vestibular disorders.