Conductive hearing loss is the impairment in the mechanical transduction of sound wave through the external ear and the middle ear.Although most cases are sporadic due to acquired causes such as infections(otitis medi...Conductive hearing loss is the impairment in the mechanical transduction of sound wave through the external ear and the middle ear.Although most cases are sporadic due to acquired causes such as infections(otitis media and otitis externa),cerumen obstruction,and injuries,congenital structural defects are uncommon for significant etiologies to recognize.Stapes ankylosis is characterized by conductive hearing loss.It may be difficult to differentiate from otosclerosis,the most common cause of progressive conductive hearing loss,by audiologic evaluation,when the diagnosis is delayed.Skeletal anomalies may be subtle,such that the syndrome may not be recognized(Brown et al.,2002).展开更多
基金funded in part by the National Nature Science Foundation of China(81771013,81822011,and 81570914)Science and Technology Commission of Shanghai Municipality(17ZR1448600 and 18410712400)the National Institute on Deafness and Other Communication Disorders of the National Institutes of Health in the United States(R03DC013866 and R01DC015052)
文摘Conductive hearing loss is the impairment in the mechanical transduction of sound wave through the external ear and the middle ear.Although most cases are sporadic due to acquired causes such as infections(otitis media and otitis externa),cerumen obstruction,and injuries,congenital structural defects are uncommon for significant etiologies to recognize.Stapes ankylosis is characterized by conductive hearing loss.It may be difficult to differentiate from otosclerosis,the most common cause of progressive conductive hearing loss,by audiologic evaluation,when the diagnosis is delayed.Skeletal anomalies may be subtle,such that the syndrome may not be recognized(Brown et al.,2002).
