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Recurrent Episodic Vertigo Controlled by Phenytoin Sodium
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Chung Ku Rhee, Yong Won Chung, Ji Sun Kim, Joon Sik Yoon, Yang Hee Oh
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J Korean Bal Soc. 2004;3(1):136-140.
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 Abstract
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- Background
: Many patients with symptom of recurrent episodic vertigo can neither be diagnosed nor treated. The
purpose of this study is to review clinical features of a group of patients with recurrent episodic vertigo that is not
defined to specific diagnosis of vertigo and to test the effectiveness of phenytoin sodium in the patients.
Method
& Material : 11 of 32 patients with recurrent vertigo not defined to specific diagnostic category of vertigo
who visited dizziness center of a tertiary care university hospital from November 1995 to April 2004 were studied. The
patient's charts were reviewed retrospectively. A thorough otolaryngologic and neurotologic evaluation was performed
in every case to determine the specific cause of dizziness. Vestibular function test, hearing test, magnetic resonance
imaging of brain, electroencephalogram, and 24 hour Holter EKG monitoring were performed in all cases. Consultations
to psychiatrist and neurologist were obtained. All patients were treated with phenytoin sodium.
Result
: The results of the vestibular function test, audiogram, MRI of brain, electroencephalogram, 24-hr holter
monitoring were normal. Any definitive diagnosis could not be reached to this group. Vertigo was controlled by
phenytoin sodium in all 11 cases.
Conclusion
: We report a group of patients with recurrent episodic vertigo that is not defined to any specific
diagnosis of vertigo. The vertigo symptom was controlled successfully by phenytoin sodium. This patients were
diagnosed as benign episodic vertigo as a separate disease entity.
Key Words : Vertigo, Phenytoin sodium, Episodic
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KBS
