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基于尿布的诊断:一种用于尿液采集和尿病原体分子测试的新型非侵入性方法
Tyler Vine1, Rob E Carpenter2, Debbie Bridges3
1Department of Research, Advanta Genetics, 10935 CR 159, Tyler, TX 75703, United States; Miller School of Medicine, University of Miami, 1600 NW 10th Ave, Miami, FL 33136, United States.
Diagnostic microbiology and infectious disease
|June 11, 2025
概括
聚烯酸尿布提供了一个非侵入性的方法来收集尿液样本. 这种方法使用定量PCR (qPCR) 准确检测脆弱人群的尿路感染.
科学领域:
- 临床诊断 临床诊断 临床诊断
- 微生物学 微生物学
- 分子生物学分子生物学
背景情况:
- 尿路感染 (UTI) 带来了诊断挑战,特别是在需要非侵入性样本采集的人群中.
- 传统的中流尿收集通常对婴儿,老年人和不便的人来说是不切实际的.
研究的目的:
- 为了评估基于聚烯酸盐的尿布作为尿液收集的非侵入性矩阵.
- 评估定量PCR (qPCR) 在尿布采集的尿样中检测尿病原体的有用性.
主要方法:
- 第一阶段:测试了17个样本 (7个是人造的,10个来自志愿者).
- 第二阶段:使用验证的qPCR小组对细菌,真菌和抗菌素耐药性基因进行了35个临床标本的分析.
- 评估诊断性能与标准尿样相比.
主要成果:
- 与标准尿液相比,尿布衍生样本在正负预测值中显示出100%的一致性.
- 定量PCR周期值 (Ct) 值 (r = 0.97) 与最小绝对差异 (1.43) 的强相关性.
- 尿布样本显示Ct值的变化较低 (SD=4.02).
结论:
- 聚烯酸尿布为尿样采集提供了临床上强大的,非侵入性的基质.
- 这种方法保持了分子泌尿病原体检测的诊断完整性.
- 提高弱势群体的诊断准确性和准确性,支持抗菌药物管理.
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