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目的:分析新生儿引起听力损失的原因,可以通过对其听力的筛查的通过率及听力损失的发病率来实现。方法:应用瞬态诱发耳声发射对我院2011年12月-2012年11月出生的新生儿进行听力筛查。初筛还没有通过的患者要在出生42天后接受听力复筛,42天后,复筛还是不通过的患者,将在3月龄左右,采用听性脑干反应进行诊断性检查。我科自2011年12月至2012年11月对在我院分娩的大部分新生儿进行听力筛查,共4000例,其中正常新生儿3500例,新生儿科500例,以上新生儿均在出生48小时后进行检查。检查前用小棉棒清理外耳道,在新生儿自然睡眠或安静的状态下进行。结果:初筛未通过的有100例,其中正常新生儿46例,新生儿科64例。复筛正常新生儿46例中有10例未通过,未通过率为2.8‰;新生儿科64例中有8例未通过,未通过率为1.6%。结论:听力筛查是早期发现新生儿听力损失的基础性工程;存在高危因素听力损失的可能性更大,高危新生儿听力异常明显高于正常儿,应加强对高危儿的听力监测。
OBJECTIVE: To analyze the causes of hearing loss caused by newborns can be achieved through the screening rate of hearing and the incidence of hearing loss. Methods: Transient evoked otoacoustic emissions were used to screen newborns born from December 2011 to November 2012 in our hospital. Patients who have not yet passed screening should undergo hearing re-screening 42 days after birth, and patients who fail re-screening after 42 days will have a bradycardiac bradycardia at about 3 months of age for diagnostic testing. My department from December 2011 to November 2012 for most of the birth in our hospital hearing screening, a total of 4,000 cases, of which 3500 cases of normal newborns, neonatal 500 cases, the above newborns are born 48 After hours to check. Check with a small cotton swab before cleaning the external auditory canal in the natural state of the newborn or quiet sleep. Results: There were 100 cases of failed primary screening, 46 cases of normal newborn and 64 cases of neonatal. Of the 46 normal newborn cases, 10 failed to pass and the failed rate was 2.8 ‰. Eight of the 64 neonates did not pass the test, and the failure rate was 1.6%. Conclusion: Hearing screening is a basic project of early detection of neonatal hearing loss. There is a higher possibility of hearing loss of high-risk factors and hearing abnormalities of high-risk neonates are obviously higher than normal ones. Hearing monitoring of high-risk children should be strengthened.