基于不同高度校正因素的秘鲁儿童贫血患病率的极端变化:一个横截面研究
Luis Baquerizo-Sedano1,2,3, José Augusto Chaquila4,5, Juan Pablo Aparco6,7
1Universidad Privada del Norte, Lima, Peru.
High altitude medicine & biology
|August 5, 2025
概括
秘鲁儿童的贫血患病率因高度校正因素而有很大差异. 不同的方法显著改变了诊断,特别是在更高的海拔,突出需要准确的血红蛋白调整.
科学领域:
- 高度医学 高度医学
- 儿科血液学 儿科血液学
- 营养流行病学 营养流行病学
背景情况:
- 红细胞体是对高海拔地区的关键适应.
- 在高海拔人口中诊断贫血需要高度特定的血红蛋白调整.
- 存在各种正因素,但它们对流行率估计的影响尚不清楚.
研究的目的:
- 为了比较秘鲁儿童的贫血患病率,使用不同的血红蛋白适应高度的调整因子.
- 根据所选的校正标准,评估贫血诊断的变化.
主要方法:
- 在秘鲁的营养监测系统 (2020) 中,利用来自578,576名儿童 (6-59个月) 的数据进行了横截面研究.
- 贫血患病率计算在1000米的高度增加.
- 四个不同的调整标准,包括世卫组织最近提出的建议,应用于血红蛋白值.
主要成果:
- 贫血患病率估计在3.2%至33.7%之间,取决于所使用的调整因子.
- 如果没有纠正,在较低的海拔地区会出现更高的贫血;这种模式随着调整而改变.
- 中度贫血的患病率在3000米以上增加,具有特定的校正因子.
结论:
- 血红蛋白调整因子显著改变了秘鲁幼儿贫血患病率估计.
- 校正因子的选择对高海拔地区的贫血诊断产生了重大影响.
- 进一步的研究是必要的,以建立最佳的诊断标准的贫血在高海拔的儿科群体.
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