Abstract
Although there are many cases of tinnitus aurium due to circulatory disorders in the vertebrobasilar arterial system, a basis for diagnosing of circulatory disorders has not yet been found. Twenty seven ears of twenty patients with tinnitus aurium with no history of middle ear diseases or sensorineural hearing loss but with cerebral infarction and assumed to have circulatory disorders in the vertebrobasilar arterial system were selected for diagnostic therapy in order to elucidate their clinical features.Curative effects on tinnitus aurium were good twenty ears (74.1%) markedly improved at the eighth week after the first treatment. Hypacusis hearing in the low-tone region observed on audiograms during the initialexamination showed improvement or tendency toward improvement.Hypacusis hearing in the low-tone region observed at a similar level in audiograms of both ears possibly suggests the existence of circulatory disorders in the vertebrobasilar arterial system and also was a clinical characteristic of patients with tinnitus aurium to where circulation improving agents were effective.
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