高风险新生儿听力损失的遗传和听力学决定因素
Yanan Shi1, Naiyao Zhang1, Na Du1
1Shanghai Jiao Tong University, School of Medicine, Hainan Branch of Shanghai Children's Medical Center, Department of Otorhinolaryngology, Sanya, China.
Brazilian journal of otorhinolaryngology
|January 4, 2025
概括
过早分娩,新生儿高胆红素血症和母亲的晚年是高风险新生儿听力损失的关键危险因素. 基因查可以识别像GJB2和SLC26A4这样的常见突变,帮助诊断和干预先天性听力障碍.
科学领域:
- 新生儿护理 新生儿护理
- 遗传学 是一个遗传学.
- 听力学 听力学是指听力学.
背景情况:
- 在被送往新生儿重症监护室 (NICU) 的高风险新生儿中,先天性听力损失是一个重大问题.
- 识别风险因素和遗传原因对于早期诊断和干预至关重要.
- 之前的研究已经探讨了风险因素,但综合基因分析与听力学结果在这个人群中仍然是必不可少的.
研究的目的:
- 调查流行风险因素与高风险新生儿听力损失之间的相关性.
- 检查与不同聋突变相关的听力学特征和遗传特征.
- 为了加深对先天性听力损失背后的病因的理解,在第三级推中心.
主要方法:
- 在443名高风险新生儿身上进行了初始听力查 (自动听觉脑干反应,扭曲产品的耳声发射,声速率).
- 对初始查失败的新生儿进行了诊断测试,并使用奇平方和后勤回归进行了风险因素分析.
- 基因分析涉及到研究和更大的队列 (14863名新生儿) 上的聋症测序小组 (19种变异,4个基因).
主要成果:
- 在443名高风险新生儿中,有222名未通过诊断性听力测试.
- 过早分娩,新生儿高胆红素血症和母亲的晚年 (≥35岁) 是显著的危险因素.
- 基因查揭示了GJB2,SLC26A4和MT-RNR基因的致病变体,在21.21%的新生儿中,这些新生儿未能通过诊断测试.
结论:
- 过早分娩,新生儿高 bilirubinemia 和晚年母亲的年龄是新生儿听力障碍的关键风险因素.
- 常见的突变包括GJB2中的c.235delC和SLC26A4.4中的c.919-2A>G.
- 耳聋基因查对于准确的诊断和新生儿的有效干预至关重要,建议对异质合体变异进行长期跟踪.
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