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Prevalence of Hearing Impairment Among High-Risk Newborns in Ibadan Nigeria

机译:尼日利亚伊巴丹高危新生儿的听力障碍患病率

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摘要

The burden of severe hearing impairment is increasing with two-thirds of these hearing impaired people residing in developing countries. Newborn hearing screening helps to identify early, babies who need intervention in order to prevent future disability. Neither universal nor targeted hearing screening programme is available in Nigeria.>Objectives: This study was carried out to assess the prevalence of hearing impairment among high-risk newborns in UCH and the associated risk factors.>Materials and Methods: Two hundred one newborns in the neonatal unit of UCH with risk factors for hearing impairment had hearing screening done using automated auditory brainstem response (AABR) at 30, 45, and 70 dB at admission and discharge, and those that failed screening at discharge were rescreened at 6 weeks post-discharge.>Results: Eighty-three (41.3%) and 32 (15.9%) high-risk newborns failed at admission and discharge screening respectively, and 19 (9.5%) still failed at follow up screening. The majority of hearing loss at follow up was bilateral (94.7%) and severe (52.6%). The risk factors associated with persistent hearing loss at follow up were acute bilirubin encephalopathy (RR = 11.2, CI: 1.4–90.6), IVH (RR = 8.8, CI: 1.1–71.8), meningitis (RR = 4.8, CI: 1.01–29), recurrent apnoea (RR = 2.7, CI: 1.01–7.3), severe perinatal asphyxia NNE III (RR = 7, CI: 2.4–20.2).>Conclusion: Severe and bilateral hearing impairment is a common complication among high risk newborns in UCH persisting till 6 weeks post-neonatal care. Severe perinatal asphyxia with NNE III, ABE, IVH, meningitis and administration of amikacin for more than 5 days were significant risk factors. We recommend that SCBU graduates with these risk factors should have mandatory audiologic evaluation at discharge.
机译:严重的听力障碍的负担正在增加,其中三分之二的听力障碍者居住在发展中国家。新生儿听力筛查有助于识别需要干预以预防未来残疾的早期婴儿。尼日利亚既没有通用的听力筛查计划,也没有针对性的听力筛查计划。>目的:这项研究旨在评估UCH高危新生儿的听力障碍患病率及其相关危险因素。>材料方法:在UCH新生儿科中,有听力障碍危险因素的211位新生儿在入院和出院时分别使用30、45和70 dB的自动听觉脑干反应(AABR)进行了听力筛查,出院后第6周对出院时筛查失败的人进行了重新筛查。>结果:分别有83例(41.3%)和32例(15.9%)的高危新生儿在入院和出院筛查时失败,有19例(9.5%)未能通过随访筛查。随访时,大多数听力损失为双侧(94.7%)和严重(52.6%)。与随访中持续听力丧失相关的危险因素是急性胆红素脑病(RR = 11.2,CI:1.4–90.6),IVH(RR = 8.8,CI:1.1–71.8),脑膜炎(RR = 4.8,CI:1.01– 29),复发性呼吸暂停(RR = 2.7,CI:1.01-7.3),严重的围产期窒息NNE III(RR = 7,CI:2.4-20.2)。>结论:严重和双侧听力障碍是UCH高危新生儿的常见并发症持续至新生儿护理后6周。围产期严重窒息伴NNE III,ABE,IVH,脑膜炎和阿米卡星给药超过5天是重要的危险因素。我们建议具有这些危险因素的SCBU毕业生在出院时应进行强制性的听力学评估。

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