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Vertebrobasilar occlusive disorders presenting as sudden sensorineural hearing loss
E Sauvaget1, S Kici, B Petelle
1Department of Otorhinolaryngology, Assistance Publique des Hôpitaux de Paris, Hôpital Lariboisière, Université Paris VII, Paris, France.
The Laryngoscope
|February 3, 2004
Summary
Sudden sensorineural hearing loss (SSHL) is rarely linked to vertebrobasilar occlusive disorders (VBOD). Key indicators include bilateral hearing loss, neck pain, or delayed neurological symptoms, necessitating careful patient follow-up.
Area of Science:
- Neurology
- Otolaryngology
- Vascular Medicine
Background:
- Isolated sudden sensorineural hearing loss (SSHL) is infrequently associated with vertebrobasilar occlusive disorders (VBOD).
- Distinguishing VBOD-related SSHL is crucial for appropriate management and prognosis.
- This study investigates the clinical characteristics and incidence of SSHL secondary to VBOD.
Observation:
- A retrospective analysis of 333 SSHL patients treated between 1999 and 2002 was conducted.
- Four cases (1.2%) of SSHL were attributed solely to VBOD.
- The study identified key clinical features associated with VBOD-induced SSHL.
Findings:
- Common features of VBOD-related SSHL included bilateral hearing loss, occipital or nuchal pain, and delayed neurological deficits.
- Vascular causes involved vertebral artery dissection (2 cases) and atherosclerosis (2 cases).
- Hearing outcomes varied, with partial or complete recovery observed in affected patients.
Implications:
- The findings underscore the low incidence but critical importance of identifying VBOD in SSHL cases.
- Endocochlear audiometric findings do not exclude a central cause like VBOD.
- Clinical vigilance for neck pain, vascular risk factors, and neurological symptoms is essential for diagnosing VBOD-related SSHL.