听力学及言语疾病杂志
聽力學及言語疾病雜誌
은역학급언어질병잡지
JOURNAL OF AUDIOLOGY AND SPEECH PATHOLOGY
2014年
5期
468-470
,共3页
吴学文%冯永%王风君%梅凌云%贺楚峰%陆小净%崔湘凝%陈红胜
吳學文%馮永%王風君%梅凌雲%賀楚峰%陸小淨%崔湘凝%陳紅勝
오학문%풍영%왕풍군%매릉운%하초봉%륙소정%최상응%진홍성
鼓膜%传导性聋%混合性聋%听力学
鼓膜%傳導性聾%混閤性聾%聽力學
고막%전도성롱%혼합성롱%은역학
Tympanic membrane%Conductive hearing loss%Mixed hearing loss%Audiology
目的:探讨鼓膜完整的传导性或混合性聋患者的听力学特征。方法回顾性分析资料完整并经手术确诊的30例(42耳)传导性或混合性聋患者的临床资料,结合鼓室探查结果分析其术前纯音测听、静态声导抗、中耳共振频率及CT结果。结果42耳中术前CT显示3耳耳硬化,2耳听骨链畸形,而鼓室探查结果显示耳硬化症30耳、听骨链中断12耳;所有患者纯音测听示0.5、1、2kHz平均骨导阈值为27.5±1.3dBHL,平均气导阈值为67.0±1.8dBHL,平均气骨导差为39.5±1.1dB;42耳中,鼓室A型导抗图占50.0%(21/42),As型占42.9%(18/42),Ad型占7.1%(3/42);耳硬化症患者的平均中耳共振频率为1079.0±67.4Hz,比听骨链中断患者的平均中耳共振频率(633.3±43.6Hz)高,差异有统计学意义(P=0.0002)。结论鼓膜完整的传导性或混合性聋患者中耳硬化症最常见,耳硬化症患者的中耳共振频率高于听骨链中断患者。
目的:探討鼓膜完整的傳導性或混閤性聾患者的聽力學特徵。方法迴顧性分析資料完整併經手術確診的30例(42耳)傳導性或混閤性聾患者的臨床資料,結閤鼓室探查結果分析其術前純音測聽、靜態聲導抗、中耳共振頻率及CT結果。結果42耳中術前CT顯示3耳耳硬化,2耳聽骨鏈畸形,而鼓室探查結果顯示耳硬化癥30耳、聽骨鏈中斷12耳;所有患者純音測聽示0.5、1、2kHz平均骨導閾值為27.5±1.3dBHL,平均氣導閾值為67.0±1.8dBHL,平均氣骨導差為39.5±1.1dB;42耳中,鼓室A型導抗圖佔50.0%(21/42),As型佔42.9%(18/42),Ad型佔7.1%(3/42);耳硬化癥患者的平均中耳共振頻率為1079.0±67.4Hz,比聽骨鏈中斷患者的平均中耳共振頻率(633.3±43.6Hz)高,差異有統計學意義(P=0.0002)。結論鼓膜完整的傳導性或混閤性聾患者中耳硬化癥最常見,耳硬化癥患者的中耳共振頻率高于聽骨鏈中斷患者。
목적:탐토고막완정적전도성혹혼합성롱환자적은역학특정。방법회고성분석자료완정병경수술학진적30례(42이)전도성혹혼합성롱환자적림상자료,결합고실탐사결과분석기술전순음측은、정태성도항、중이공진빈솔급CT결과。결과42이중술전CT현시3이이경화,2이은골련기형,이고실탐사결과현시이경화증30이、은골련중단12이;소유환자순음측은시0.5、1、2kHz평균골도역치위27.5±1.3dBHL,평균기도역치위67.0±1.8dBHL,평균기골도차위39.5±1.1dB;42이중,고실A형도항도점50.0%(21/42),As형점42.9%(18/42),Ad형점7.1%(3/42);이경화증환자적평균중이공진빈솔위1079.0±67.4Hz,비은골련중단환자적평균중이공진빈솔(633.3±43.6Hz)고,차이유통계학의의(P=0.0002)。결론고막완정적전도성혹혼합성롱환자중이경화증최상견,이경화증환자적중이공진빈솔고우은골련중단환자。
Objective To investigate audiological characteristics of patients with intact tympanic membranes and conductive or mixed hearing loss .Methods A retrospective study was carried out among 30 patients (42 ears) with intact tympanic membranes and conductive or mixed hearing loss who underwent exploratory tympanotomy . The preoperative outcomes of pure tone audiometry ,tympanometry ,resonant frequency of middle ear and temporal bone CT scan were analyzed .Results Among 42 ears ,30 ears with otosclerosis and 12 ears with ossicular chain dis-ruption were confirmed in exploratory tympanotomy ,but only 5 ears showed positive findings in CT scan .The mean thresholds of bone conduction ,air conduction and air -bone gap at frequencies of 0 .5 ,1 and 2 kHz were 27 .5 ± 1 .3 dB HL ,67 .0 ± 1 .8 dB HL ,39 .5 ± 1 .1 dB HL ,respectively .An analysis of tympanometric data of all patients re-vealed that 50% of all ears (21/42) were type A tympanograms ,42 .9% (18/42) were type As tympanograms ,and 7 .1% (3/42) were type Ad tympanograms .The mean of the resonant frequency of the middle ear in otosclerositic patients (1 079 .0 ± 67 .4 Hz) was significantly higher than ossicular chain disruption patients (633 .3 ± 43 .6 Hz) . Conclusion Otosclerosis is the most common in the patients with intact tympanic membranes and conductive or mixed hearing loss .The middle ear resonant frequency of otosclerositic patients is significantly higher than that of ossicular chain disruption patients .