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目的早期发现婴儿听力损失,以便进行早期诊断和干预,促进其正常的言语发育,并探讨听力异常的高危因素。方法采用耳声发射技术对新生儿进行初筛,未通过者42天进行复筛,复筛仍未通过者采用脑干听觉诱发电位技术进行诊断性检查。结果初筛率从2006年的65%左右上升至2011年97.71%,通过率86.00%;未通过初筛者召回率为99.86%,通过率87.74%;复筛未通过者召回率逐年上升,由2006年的67.59%上升到2011年的98.81%;确诊听力障碍28例,发病率4.96/万。结论联合应用OAE和ABR可提高新生儿听力筛查的精确性,余姚市听力筛查率和未通过复筛召回率逐年上升,有效减少了余姚地区耳聋儿童的发病率。
Objective Early detection of infant hearing loss in order to make early diagnosis and intervention, to promote their normal speech development, and to explore the risk factors for hearing loss. Methods Initial screening of newborns was performed with otoacoustic emission (EMT) technique. Non-adoptive patients were re-screened for 42 days, and those who failed to pass re-screening were diagnosed by brainstem auditory evoked potentials. Results The screening rate increased from 65% in 2006 to 97.71% in 2011 with a passing rate of 86.00%. The recall rate of those who failed the screening was 99.86% and the passing rate was 87.74%. The recall rate of those who failed to pass the screening was increased year by year from 67.59% in 2006 rose to 98.81% in 2011; 28 cases of hearing impairment diagnosed, the incidence of 4.96 / million. Conclusion The combination of OAE and ABR can improve the accuracy of neonatal hearing screening. The hearing screening rate of Yuyao City and the recall rate of failed secondary screening increase year by year, effectively reducing the incidence of deaf children in Yuyao.