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
510-513
,共4页
蔡蕾%华清泉%曹永茂%杨琨%朱素琴%常伟%李骏
蔡蕾%華清泉%曹永茂%楊琨%硃素琴%常偉%李駿
채뢰%화청천%조영무%양곤%주소금%상위%리준
人工耳蜗植入%残余听力
人工耳蝸植入%殘餘聽力
인공이와식입%잔여은력
Cochlear implant%Residual hearing
目的:探讨人工耳蜗植入对植入耳残余听力的影响。方法34例行单侧人工耳蜗植入的重度或极重度感音神经性聋儿童,按术后检查时间分为A组(3~12个月)21例、B组(≥13个月)13例,分别于术前及术后3~21个月定期进行裸耳游戏测听,比较各组250、500、1000、2000 Hz各频率手术前后残余听力保存率及听阈变化。结果34例术前植入耳均有不同程度的残余听力,其中25例(73.53%)植入耳术后仍保留部分残余听力且主要分布于低频区,9例残余听力丧失;术后各频率听阈均值均较术前升高,差异有统计学意义(P<0.05),250 Hz残余听力保留率最高,2000 Hz保留率最低;不同频率残余听力损失值差异有统计学意义( P<0.01),以500 Hz和1000 Hz损失最大;A组不同频率间残余听力损失值差异有显著统计学意义(P<0.01),B组不同频率间残余听力损失值差异无统计学意义(P>0.05),A组手术前后1000 Hz听阈差值大于B组(P<0.05),其它频率间听阈差值差异无统计学意义(P>0.05),随着人工耳蜗植入时间延长,各频率听力损失值总体呈逐渐下降的趋势。结论人工耳蜗植入对植入耳低频区残余听力的影响较高频区小,随着植入时间延长,残余听力有一定程度的恢复。
目的:探討人工耳蝸植入對植入耳殘餘聽力的影響。方法34例行單側人工耳蝸植入的重度或極重度感音神經性聾兒童,按術後檢查時間分為A組(3~12箇月)21例、B組(≥13箇月)13例,分彆于術前及術後3~21箇月定期進行裸耳遊戲測聽,比較各組250、500、1000、2000 Hz各頻率手術前後殘餘聽力保存率及聽閾變化。結果34例術前植入耳均有不同程度的殘餘聽力,其中25例(73.53%)植入耳術後仍保留部分殘餘聽力且主要分佈于低頻區,9例殘餘聽力喪失;術後各頻率聽閾均值均較術前升高,差異有統計學意義(P<0.05),250 Hz殘餘聽力保留率最高,2000 Hz保留率最低;不同頻率殘餘聽力損失值差異有統計學意義( P<0.01),以500 Hz和1000 Hz損失最大;A組不同頻率間殘餘聽力損失值差異有顯著統計學意義(P<0.01),B組不同頻率間殘餘聽力損失值差異無統計學意義(P>0.05),A組手術前後1000 Hz聽閾差值大于B組(P<0.05),其它頻率間聽閾差值差異無統計學意義(P>0.05),隨著人工耳蝸植入時間延長,各頻率聽力損失值總體呈逐漸下降的趨勢。結論人工耳蝸植入對植入耳低頻區殘餘聽力的影響較高頻區小,隨著植入時間延長,殘餘聽力有一定程度的恢複。
목적:탐토인공이와식입대식입이잔여은력적영향。방법34례행단측인공이와식입적중도혹겁중도감음신경성롱인동,안술후검사시간분위A조(3~12개월)21례、B조(≥13개월)13례,분별우술전급술후3~21개월정기진행라이유희측은,비교각조250、500、1000、2000 Hz각빈솔수술전후잔여은력보존솔급은역변화。결과34례술전식입이균유불동정도적잔여은력,기중25례(73.53%)식입이술후잉보류부분잔여은력차주요분포우저빈구,9례잔여은력상실;술후각빈솔은역균치균교술전승고,차이유통계학의의(P<0.05),250 Hz잔여은력보류솔최고,2000 Hz보류솔최저;불동빈솔잔여은력손실치차이유통계학의의( P<0.01),이500 Hz화1000 Hz손실최대;A조불동빈솔간잔여은력손실치차이유현저통계학의의(P<0.01),B조불동빈솔간잔여은력손실치차이무통계학의의(P>0.05),A조수술전후1000 Hz은역차치대우B조(P<0.05),기타빈솔간은역차치차이무통계학의의(P>0.05),수착인공이와식입시간연장,각빈솔은력손실치총체정축점하강적추세。결론인공이와식입대식입이저빈구잔여은력적영향교고빈구소,수착식입시간연장,잔여은력유일정정도적회복。
Objective To study the influence of cochlear implantation on residual hearing in children .Methods Behavioral audiometry were performed pre -implant and 3~21 months post -implant on thirty -four cochlear implant recipients with severe to profound hearing loss .According to follow -up time ,they were divided into 2 groups which were Group A(3~12 months ,21 cases) and Group B(≥13 months ,13 cases) .The thresholds at 250 Hz ,500 Hz ,1 000 Hz and 2 000 Hz were analyzed .Results There were 25 out of 34 patients (73 .53% ) had partial residual hearing after cochlear implantation .Comparing to the hearing loss pre -operation and post -operation , which were most obvious at 500 Hz ,followed by 250 Hz ,1 000 Hz ,2 000 Hz (P<0 .05) ,and there were significant different among different frequencies .There was significant difference at different frequencies at hearing loss thresh-olds only in Group A .But there was no significant difference in Group B .With the prolonged time after the cochlear implantation ,residual hearing at all frequencies showed a trend of recovery .Conclusion The residual hearing could be partial preserved after cochlear implant in pediatric patients with severe to profound hearing impaired ,the residu-al hearing at lower frequencies (250 Hz ,500 Hz) were less affected than those at higher frequencies .With the pro-longed time after the cochlear implantation ,the residual hearing showed a certain degree of recovery .