超氨酸血症的流行病学:系统性审查和元分析
Tamás István Dóczi1, Shailja Vaghela2,3, George Dennis Obeng1
1Syreon Research Institute, Budapest, Hungary.
Sage open pediatrics
|February 2, 2026
概括
超氨酸血症 (HPA) 影响全球每1万例出生中有0.84例,中东和北非的患病率更高. 这一系统性审查证实HPA,包括PKU,作为一种罕见疾病.
科学领域:
- 医学遗传学 医学遗传学
- 代谢障碍 代谢障碍 代谢障碍
- 公共卫生 公共卫生
背景情况:
- 超氨酸血症 (HPA) 是一种由氨酸氧酶缺乏症引起的遗传疾病.
- 了解HPA的全球和区域出生患病率对于公共卫生规划和资源分配至关重要.
- 以前对HPA患病率的估计有所不同,需要进行全面的系统审查和元分析.
研究的目的:
- 量化全球和区域高氨酸血症 (HPA) 和其亚型,包括基尿症 (PKU) 的出生患病率.
- 分析影响不同地理区域HPA流行模式的因素.
- 根据确定的流行率值,验证HPA和PKU作为罕见疾病.
主要方法:
- 在PubMed,Embase,Cochrane图书馆和PROSPERO的系统文献搜索.
- 包括4297个记录中的210项研究,其中97项研究为随机效应元分析做出了贡献.
- 根据血液中的氨 (Phe) 切割值对患病率估计进行分层,并应用罕见疾病特有的样本大小值.
主要成果:
- 全球HPA的出生患病率估计为每10,000名活产儿中有0.84,具有显著的区域差异 (南美0.6%,MENA1.30).
- 在全球范围内,PKU的患病率为每1万例0.29,北美 (0.58) 和欧洲 (0.67) 的患病率更高.
- 流行模式与血缘关系率相关,解释了中东和北非地区的较高负担和东南亚地区的较低率.
结论:
- 包括PKU在内的HPA已被确认为一种罕见疾病,其全球和区域流行率估计已得到验证.
- 血缘关系是导致HPA在MENA等特定地区的高负担的一个重要因素.
- 这些发现为全球的公共卫生战略,新生儿查计划和遗传咨询提供了必要的数据.
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