开发临床元基因组学工作流程,用于诊断伤口感染
Carl Halford1,2, Thanh Le Viet3, Katie Edge1
1Defence Science and Technology Laboratory, Porton Down, Salisbury, Wiltshire, UK.
BMC medical genomics
|November 26, 2024
概括
临床元基因组学 (CMg) 为伤口感染提供了快速,无针对性的诊断,显示了在严格环境中使用的潜力. 这种方法确定了具有有希望的敏感性和特异性的病原体,真菌和抗菌素耐药性基因.
科学领域:
- 医学诊断 医学诊断 医学诊断
- 基因组学就是基因组学.
- 传染性疾病 传染性疾病
背景情况:
- 伤口感染使恢复复杂化,导致组织损伤和延迟愈合.
- 由于设备和时间的限制,目前的诊断方法对于严格的环境是不理想的.
- 临床转基因组学 (CMg) 为快速,无目标的病原体识别提供了一个潜在的替代方案.
研究的目的:
- 开发和演示一个CMg工作流程,用于伤口拭子样本.
- 评估CMg作为伤口感染的诊断工具.
- 为了比较CMg性能与既有诊断方法.
主要方法:
- 开发了一种CMg工作流程,用于伤口抹布样本.
- 将工作流应用于前性收集的患者样本.
- 将CMg结果与常规微生物学和qPCR进行了比较.
主要成果:
- CMg工作流实现了83.82%的灵敏度和66.64%的特异性.
- 确定了真菌物种,无氧细菌和抗菌素耐药性 (AMR) 基因.
- 提供了关于伤口样本中的微生物物种多样性的见解.
结论:
- 在严酷的环境中,CMg显示出作为伤口感染的替代诊断的潜力.
- 对于方法自动化和输出解释,需要进一步优化.
- 建立强大的报告门对于准确的病原体和AMR基因识别至关重要.
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