听力障碍是最常见的先天性出生缺陷,国外研究发现,正常新生儿中双侧听力异常的发生率约0.1%～0.3%,其中重度至极重度听力障碍的发生率为0.1%〔1〕。在所有听力损失的新生儿中,大约50%具有听力损伤的高危因素,其中75%是入住新生儿重症监护病房(NICU)48h以上的患儿或不良状态的 Hearing impairment is the most common congenital birth defects, foreign studies found that normal newborns in the incidence of bilateral hearing loss of about 0.1% to 0.3%, of which severe to very severe hearing loss rate of 0.1% [1]. Approximately 50% of all newborn infants with hearing loss have a high risk of hearing impairment, of whom 75% are children who are admitted to the neonatal intensive care unit (NICU) for more than 48 hours or in poor condition