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Biochemical Measurement of Neonatal Hypoxia
Published on: August 24, 2011
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血斑干燥不足对新生儿查分析剂度的影响
Stuart J Moat1, Melissa Levi1, Margaret Birch2
1Wales Newborn Screening Laboratory, Department of Medical Biochemistry, Immunology and Toxicology, University Hospital of Wales, Cardiff, UK.
Annals of clinical biochemistry
|April 12, 2025
概括
在新生儿查 (NBS) 中,纹干血斑 (DBS) 和在干燥前存储在塑料袋中的血斑显示了显著较低的分析物度. 这些标本应被拒绝,以确保准确的NBS结果.
科学领域:
- 临床化学 临床化学
- 生物化学 生物化学
- 新生儿查 新生儿查
背景情况:
- 干血斑点 (DBS) 分析对于新生儿查 (NBS) 是至关重要的.
- 建议对DBS进行适当的空气干燥至少3小时.
- 纹的DBS外观和储存在塑料袋中是影响样本完整性的常见问题.
研究的目的:
- 为了评估曲的DBS外观对分析剂度的影响.
- 评估DBS在塑料袋中储存对分析剂稳定性的影响.
- 确定对NBS准确性和样本拒绝标准的影响.
主要方法:
- 实验是使用全血加各种NBS分析物进行的.
- 纹的DBS标本被重新创建,以模拟现实世界的条件.
- DBS标本被储存在密封的塑料袋中,以防止干燥.
主要成果:
- 与空气干燥对照组相比,纹DBS标本显示分析物的度明显较低 (平均-15.5%).
- 在干燥前储存在塑料袋中的DBS标本显示分析剂度明显较低 (平均为-41.6%).
- 所有测试的分析物都受到缩和不当存储的显著影响.
结论:
- 曲的DBS标本和收到塑料袋中的DBS标本导致错误的低分析结果.
- 对于纹或不当存储的DBS,必须进行样本排斥和重复采集.
- 确保适当的干燥技术对于可靠的NBS测试和防止选错误至关重要.
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