摘要
Objective:Congenitalauditoryneuropathy(AN)affectshearingandspeechdevelopment.ThedegreeofhearingdifficultyincongenitalANvariesasafunctionofpathologyattheinnerearhaircell(IHC)synapsesortheauditorynerve.WereportacaseofaChinesegirlwithANrevealedbyOTOF(otoferlin)genemutationanalysiswhohadonlyamildhearingloss.Patient:A13-year-oldChinesegirlwasdiagnosedashavingcongenitalANonthebasisofOTOFgenemutationanalysis.Shemanifestamildsensorineuralhearinglosswith50%maximummonosyllablespeechdiscriminationrate,normalDPOAEs(distortionproductotoacousticemissions)beyondambientnoiselevels,onlySPs(summatingpotentials)evokedduringECoG(electrocochleography)andabsentABRs(auditoryevokedbrainstemresponses)bilaterallytoclickspresentedat100dBnHL.Shewasabletoeffectivelycommunicatewithothersbyspeechreadingowingtohermildhearingloss.Moreover,bilateralhearingaidshelpedhertocommunicate.Conclusions:OurpatientwasdemonstratedtohaveamutationontheOTOFgene.Nevertheless,shewasabletocommunicateusingauditoryvisualspeechreadinginspiteofamildauditorythresholdelevationprobablyduetopartialpathologyattheIHCsynapsesorintheauditorynerve.
出版日期
2017年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)