경한 두부 외상 후에 발생한 난청에 관한 임상적 분석

Abstract

Background and Objectives：We evaluated the clinical characteristics of hearing impairment in patients who sufered a blunt head trauma without any organic problems, including temporal bone fracture or intracranial hemorrhage. Subjects and Method：rs. This study included only patients without temporal bone fracture or intracranial hemorhage. Results：Most patients (90.5%) complained of associated auditory symptoms including tinnitus, diziness, earfullnes and otalgia as wel as headache. In 38 patients (90.5%), the symptom was developed on the injured day. Fifteen ears of 13 patients showed sensorineural hearing los, 2 ears of -ineural hearing los only above 4 kHz, 8 ears of 7 patients mild hearing los, 10 ears of 8 patients moderate hearing los, 3 ears of 3 patients had a moderately-severe hearing los, and 6 ears of 6 patients had a profound hearing los. Al cases (24 ears of 22 patients) who had a normal four-tone average complained many otologic symptoms other than a hearing loss. Conclusion：Blunt auditory symptoms as son as posible. Otologic consultation should be sought in all cases for appropriate management. (Korean J Otolaryngol 2007 ;50 :496-500)