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Hearing01:31

Hearing

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When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
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Subjective Refraction Test Using a Smartphone for Vision Screening
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新生儿查听力和视力,喀麦隆

Gaelle Vofo1, Brice Vofo1, Winnie Anoumedem1

  • 1Shomea, Marché Mfoundi, Yaoundé, Cameroon.

Bulletin of the World Health Organization
|June 13, 2025
PubMed
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喀麦隆新生儿的听力和视力查,由免疫诊所的辅助工作人员进行,证明有效. 这种方法提供了广泛的覆盖范围和高效的资源利用,用于早期检测视力和听力障碍.

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科学领域:

  • 公共卫生 公共卫生
  • 儿科医学 儿科医学
  • 查计划 查计划

背景情况:

  • 新生儿查对于早期检测感官障碍至关重要.
  • 疫苗接种诊所为接触大量新生儿提供了一个宝贵的平台.
  • 喀麦隆在获得新生儿专业医疗保健方面面临挑战.

研究的目的:

  • 评估喀麦隆新生儿听力和视力查组合模型.
  • 评估使用训练有素的辅助人员进行新生儿查的可行性.
  • 为了确定免疫诊所进行的查的有效性.

主要方法:

  • 一个查项目涉及1807名新生儿在2021年11月至2024年2月期间.
  • 采用了用于听觉的耳声发射测试和用于眼睛的底部反射测试.
  • 将训练有素的辅助人员与专家的表现 (灵敏度,特异性,预测值) 进行比较.

主要成果:

  • 经过培训的辅助人员在听力查中表现出82%的灵敏度和99%的特异性.
  • 对于眼睛查,辅助人员实现了67%的灵敏度和99%的特异性.
  • 组合模型显示,听力和眼睛查的高正和负预测值.

结论:

  • 免疫诊所训练有素的辅助人员联合查是一种有前途的策略.
  • 这种模式可以通过有效的资源分配来覆盖更广泛的人口.
  • 这种方法适用于医院外分娩率高的国家.