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目的:探讨正常产新生儿听力筛查的临床应用及重要性,对患有听力障碍的婴幼儿进行早期干预康复治疗。方法:采用瞬态耳声发射技术,对正常产新生儿进行听力普遍筛查。对初筛未通过者42天复筛,生后3个月仍未通过者行听力学综合评估(包括耳声发射、听性脑干反应、中潜伏期诱发电位、声导抗、多频稳态诱发电位)予以诊断。结果:2007年1～12月可供听力筛查的正常产新生儿4 452人,实际接受4 439人,初筛率99.7%(4 439/4 452);初筛未通过人数161人,初筛阳性率3.6%(161/4 439);实际复筛132人,复筛率81.9%(132/161),复筛未通过人数32人,阳性率24.2%(32/132);最后确诊正常产新生儿先天性听力损失6人(共11耳),发病率0.14%。结论:新生儿听力筛查是早期发现、早期诊断、早期干预康复的重要措施。
Objective: To investigate the clinical application and importance of hearing screening in normal newborns, and to provide early intervention and rehabilitation for infants and toddlers with hearing impairment. Methods: The transient otoacoustic emission technique was used to screen the normal newborns in normal hearing. Forty-four days after initial screening failed to pass the screening, and 3 months after birth were still not passed a comprehensive assessment of audiology (including otoacoustic emission, auditory brainstem response, latent voltage induction, acoustic impedance, multi-frequency steady-state Evoked potentials) to be diagnosed. Results: From January to December 2007, 4 452 newborns with normal hearing were available for hearing screening, actually 4 439 were newborns, the primary screening rate was 99.7% (4 439/4552) The positive rate of screening was 3.6% (161/4 439). The actual number of re-screening was 132, the rate of re-screening was 81.9% (132/161), the number of failed re-screening was 32 and the positive rate was 24.2% (32/132) Newborns with congenital hearing loss in 6 (a total of 11 ears), the incidence of 0.14%. Conclusion: Newborn hearing screening is an important measure for early detection, early diagnosis and early intervention rehabilitation.