めまいを伴わない可逆性および反復性感音難聴と突発性難聴について

概要

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A 28-year-old man (merchant) was seen by us on March 19, 1979 with sudden hearing loss in his right ear whose onset was on March 16. Under the diagnosis of sudden deafness he was started on therapy on March 19. Various therapeutic agents were tried such as, inhalation of 5% CO2-95%, O2 76%, urographin, stellate ganglion block, vitamin B complex, vasodilator drug, and steroid hormone. Subsequently, hearing loss occurred suddenly in his left ear on July 2. While on this therapeutic regimen, he developed sensori-neural hearing loss in both ears, of the reversible type in the right ear and the recurrent type in the left ear without accompanying vertigo. This paper describes the clinical course of this patient and discusses the relation between reversible and recurrent sensori-neural hearing loss and sudden deafness. Drug therapy is of questionable benefit in this condition. Recovery is likely to be spontaneous.
耳鼻咽喉科臨床学会の論文