评估用于诊断皮肤莱什曼病的少侵入性采样工具
Saskia van Henten1, Mekibib Kassa2, Helina Fikre2
1Department of Clinical Sciences, Institute of Tropical Medicine, Antwerp, Belgium.
Open forum infectious diseases
|April 1, 2024
概括
牙刷取样是使用聚合酶链反应 (PCR) 诊断皮肤莱什曼病 (CL) 的不那么侵入性,准确的替代方法. 这种方法提供了类似的诊断性能,以传统的皮肤切口样本用于CL检测.
科学领域:
- 医学诊断 医学诊断 医学诊断
- 寄生虫学的寄生虫学
- 皮肤病学 皮肤病学
背景情况:
- 皮肤莱什曼病 (CL) 诊断通常需要侵入性采样.
- 用聚合酶链反应 (PCR) 进行患者友好的采样工具对各种类型的CL病变的疗效尚不清楚.
研究的目的:
- 与传统技术相比,评估CL的少侵入性采样方法的诊断准确性.
- 以皮肤切口样本作为参考对PCR进行牙刷,磁带盘和微生物检测样本的评估.
主要方法:
- 潜在的诊断准确性研究,涉及疑似CL患者.
- 牙刷,磁带盘和微生物检查样本 (索引测试) 与皮肤切口PCR (参考测试) 的比较.
- 构建一个复合的参考测试,包括显微镜和所有索引测试进行进一步比较.
主要成果:
- 牙刷PCR显示了89.0%的灵敏度和58.1%的特异性.
- 磁带盘PCR显示96.1%的灵敏度,但只有27.4%的特异性.
- 微生物学PCR产生了74.8%的灵敏度和72.7%的特异性;牙刷和皮肤裂显示了类似的性能.
结论:
- 牙刷取样是一种可行的,不那么侵入性的替代品,用于通过PCR诊断CL的皮肤切口.
- 磁带光盘缺乏针对CL诊断的特异性,没有确定的切断.
- 在CL参考测试中存在挑战,单个测试有错过病例的风险,复合测试是不切实际的.
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