OTONEUROLOGICAL MANIFESTATION IN SUBCLAVIAN STEAL SYNDROME
Journal Title: Journal of Evolution of Medical and Dental Sciences - Year 2013, Vol 2, Issue 11
Abstract
The subclavian steal syndrome is characterized by a subclavian artery stenosis located proximal to the origin of the vertebral artery. In this case, the subclavian artery steals reverse-flow blood from the vertebrobasilar artery circulation to supply the arm during exertion, resulting in vertebrobasilar insufficiency. As the vertebrobasilar arterial system feeds both the peripheral and central auditory and vestibular systems. In subclavian steal syndrome, neurotological symptoms are expected because of the vertebrobasilar insufficiency. In this report, we describe a patient suffering from subclavian steal syndrome, who presented with isolated dizziness, recurrent vertigo, on moving around, while sitting no complaints were there and no postural vertigo was seen. Upon magnetic resonance imaging no ischaemic lesions were observed, suggesting that the central auditory and vestibular system are more likely to be involved in the pathogenesis of neurotological symptoms in subclavian steal syndrome. Patients complaining of numbness of the upper arm and isolated neurotological symptoms should be thoroughly examined for subclavian steal syndrome. Furthermore, regular follow-up must be undertaken in order to prevent other neurological deficits in the vertebrobasilar arterial territory.
Authors and Affiliations
Vinod Porwal, Anand Verma
Keywords
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- EP ID EP122620
- DOI 10.14260/jemds/436
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