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KMID : 0390320130230010169
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Chungbuk Medical Journal
2013 Volume.23 No. 1 p.169 ~ p.175
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Hearing Loss in Temporal Bone Fracture
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Choi Young-Seok
Shin See-Ok
Choi Mi-Sook
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Abstract
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Purpose: The aim of this study is to address some of importance regarding hearing loss in temporal bone fracture. Material and Methods: A retrospective study was done by review of 32 cases of hearing loss in temporal bone fractures who were admitted to the Department of Otolaryngology and Neurosurgery, Chungbuk National University Hospital after the head injuries between January 2005 and December 2010. Results: Of the 32 patients, 26 patients (81.2%) were men and 6 patients (18.8%) were women. And sex ratio was 2:1 (male predominent). In the etiologic classifications, the most common cause of the temporal bone fractures was automobile accident occurring in 14 (43.6%). In fracture type, longitudinal fracture(LF) was 22 cases (68.8%), transverse fracture(TF) were 6 cases (18.8%), mixed fracture(MF) was 4 cases (12.4%). Conductive hearing loss(CHL) were 20 cases (62.5%), sensorineural hearing loss(SNHL) were 9 cases (28.1%), and mixed hearing loss(MHL) were 3 cases (9.4%). Conservative treatment involving steroid was done in 21 cases (65.8%), operative treatment in 11 cases (34.4%). The recovery rate of CHL was excellent irrespective of treatment. But those of SNHL and MHL were poor and the hearing loss was aggravated. Conclusion: This results reminds the general characteristics, treatment and prognosis of hearing loss in temporal bone fracture. We suppose that hearing gain in LF might be good, and gain in TF and MF be worse than that of LF.
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KEYWORD
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Temporal bone fracture, Hearing loss, trauma
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