【摘要】：目的探討6-24月齡正常生長(zhǎng)發(fā)育的嬰幼兒視覺(jué)強(qiáng)化測(cè)聽(tīng)(Visual reinforcement audiometry,VRA)具體測(cè)試方法及技巧；獲得6-24月齡正常嬰幼兒視覺(jué)強(qiáng)化測(cè)聽(tīng)的最小反應(yīng)閾值(Minimal response level, MRL),為國(guó)內(nèi)嬰幼兒行為測(cè)聽(tīng)工作提供有價(jià)值的參考數(shù)據(jù),推進(jìn)視覺(jué)強(qiáng)化測(cè)聽(tīng)的開(kāi)展。 方法2010年9月—2010年12月在我院地段保健處體檢嬰幼兒(6-24月齡),予以告知本課題內(nèi)容及意義后,家長(zhǎng)自愿帶小兒來(lái)我科門(mén)診聽(tīng)力室進(jìn)行該測(cè)試者共96例,其中6-12月齡兒48例,12-24月齡兒48例。測(cè)試前詢問(wèn)基本情況,行電耳鏡檢查、耳聲發(fā)射檢查及聲導(dǎo)抗檢查,排除聽(tīng)力損傷病史。在標(biāo)準(zhǔn)隔音室中進(jìn)行VRA：20例受試兒通過(guò)揚(yáng)聲器給聲,76例受試兒佩戴插入式耳機(jī)給聲,刺激聲為囀音,視覺(jué)強(qiáng)化物為計(jì)算機(jī)動(dòng)畫(huà)視頻,獲取四個(gè)不同頻率(500Hz、1000 Hz、2000 Hz、4000 Hz)的MRLs,記錄測(cè)試時(shí)間。對(duì)于不能一次獲得全部MRLs的受試者,進(jìn)行第二次測(cè)試,必要時(shí)進(jìn)行第三次測(cè)試。測(cè)試后,計(jì)算各組4個(gè)頻率的平均MRLs,并進(jìn)行統(tǒng)計(jì)學(xué)分析,分析MRLs與年齡、性別等之間的關(guān)系。 結(jié)果揚(yáng)聲器給聲組：6-24月齡嬰幼兒500Hz,1000Hz、2000Hz、4000Hz的平均MRLs依次為：31.23 dB、32 dB、30.75 dB、30.88 dB;經(jīng)單因素方差分析：受試者左右耳的平均MRLs間無(wú)統(tǒng)計(jì)學(xué)差異：不同性別受試者的平均MRLs間無(wú)統(tǒng)計(jì)學(xué)差異；6-12月齡與12-24月齡嬰幼兒500Hz的平均MRLs分別為32.92 dB、28.44 dB,p0.05,差值具有統(tǒng)計(jì)學(xué)意義,其余3個(gè)頻率的平均MRLs間無(wú)統(tǒng)計(jì)學(xué)差異。插入式耳機(jī)給聲組：6-24月齡嬰幼兒500Hz、1000Hz、2000Hz,4000Hz的MRLs依次為：10.23 dB,9.65 dB,8.80 dB,8.12 dB；6-12月齡嬰兒500Hz,, 1000Hz,2000Hz,4000Hz的平均MRLs依次為：13.50 dB、12.85 dB 11.15 dB、10.26,12-24月齡幼兒500Hz、1000Hz、2000Hz、4000Hz的平均MRLs依次為：6.95 dB、6.45 dB、6.45 dB、6.01 dB;經(jīng)單因素方差分析：不同性別受試者各頻率的平均MRLs無(wú)統(tǒng)計(jì)學(xué)差異；6-12月齡及12-24月齡4個(gè)頻率平均MRLs,方差分析結(jié)果均p0.05,差值具有統(tǒng)計(jì)學(xué)意義。 結(jié)論使用揚(yáng)聲器給囀音、計(jì)算機(jī)動(dòng)畫(huà)進(jìn)行強(qiáng)化的VRA的平均MRLs明顯大于插入式耳機(jī)給聲的VRA獲得的結(jié)果；使用插入式耳機(jī)給囀音、計(jì)算機(jī)動(dòng)畫(huà)進(jìn)行強(qiáng)化的VRA各頻率的平均MRLs與年齡均有較明顯關(guān)系,閡值隨著年齡增加而變��；進(jìn)行行為測(cè)聽(tīng)時(shí),性別對(duì)最小反應(yīng)閾值的影響不明顯。因此,不同測(cè)聽(tīng)室在制定行為測(cè)聽(tīng)參考值時(shí)應(yīng)考慮年齡對(duì)參考值的影響。
[Abstract]:Objective to explore the specific test methods and techniques of visual intensive audiometry (Visual reinforcement audiometry,VRA) in infants with normal growth and development of 6-24 months. The minimum response threshold (Minimal response level, MRL),) of visual intensive audiometry for normal infants aged 6-24 months was obtained to provide valuable reference data for behavioral audiometry of infants and young children in China and to promote the development of visual intensive audiometry. Methods from September 2010 to December 2010, infants and infants (6-24 months old) were examined in our local health care department. After informing the content and significance of this subject, 96 children were voluntarily brought by parents to the hearing room of our outpatient department. There were 48 infants aged 6-12 months and 48 infants aged 12-24 months. The basic information was inquired before the test, and the history of hearing impairment was excluded by the examination of electric otoscope, otoacoustic emission and acoustic conductance. In the standard soundproof chamber, VRA:20 children were given sound via loudspeaker, 76 children wore plugged earphones to give the sound, the stimulus sound was trill sound, the visual intensifier was computer animated video, and four different frequencies (500Hz / 1000 Hz,2000 Hz,) were obtained. 4000 Hz) MRLs, records test time. For subjects who cannot obtain all MRLs at once, a second test and, if necessary, a third test. After the test, the average MRLs, of 4 frequencies in each group was calculated and statistically analyzed to analyze the relationship between MRLs and age, sex, etc. Results the average MRLs of the loudspeaker group was 31.23 dB,32 dB,30.75 dB,30.88 dB; for 500Hz ~ 1000Hz ~ 1000Hz ~ 2000Hz in infants aged 6-24 months. By univariate analysis of variance, there was no statistical difference between the mean MRLs of the left and right ears of the subjects, and there was no statistical difference between the mean MRLs of the subjects of different genders. The average MRLs of 6-12 month old and 12-24 month old infants was 32.92 dB,28.44 dB,p0.05, respectively. There was no significant difference between the other three frequency average MRLs. The MRLs of the insertion earphone feeding group: 500Hz / 1000Hz / 1000Hz / 100Hz / 100Hz / 100Hz / 24 months old is 10.23 dB,9.65 dB,8.80 dB,8.12 dB;, respectively. The average MRLs of 500Hz for 6-12 months old infants and 2000Hz for 1000Hzn is 13.50 dB,12.85 dB 11.15 dB,10.26,12-24 / month, and the average MRLs is 6.95 dB,6.45 dB, for 500Hz / 1000HzN 2000Hz / month infants. 6.01 dB; Univariate analysis of variance showed that there was no significant difference in average MRLs among different gender subjects. The results of MRLs, variance analysis of 4 frequencies at 6-12 and 12-24 months of age were all p0.05, the difference was statistically significant. Conclusion the average MRLs of VRA enhanced by computer animation is significantly higher than that of VRA given by plugged earphones. The average MRLs of each frequency of VRA enhanced by computer animation was significantly related to age, and the threshold value decreased with age, while gender had no significant effect on the minimum response threshold in behavioral audiometry. Therefore, the influence of age on the reference value should be taken into account in different hearing test rooms.
【學(xué)位授予單位】：暨南大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2011
【分類號(hào)】：R764

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