实验室创新来诊断侵袭性菌感染-什么是相关的,什么不是?
Yuri Vanbiervliet1, Robina Aerts2, Lenn Maessen3
1Department of Haematology, University Hospital Leuven, Leuven, Belgium; Department of Microbiology, Immunology and Transplantation, University of Leuven, Leuven, Belgium.
概括
新的诊断工具改善了侵入性菌感染 (IMI) 的检测. 综合抗原检测,PCR和测序的多模式策略提供更早,更准确的诊断,但仍需要非侵入性方法.
科学领域:
- 医学真菌学 医学真菌学
- 传染性疾病 传染性疾病
- 诊断微生物学 诊断微生物学
背景情况:
- 侵入性真菌感染 (IMI) 具有显著的发病率和死亡率.
- 传统的诊断方法 (组织病理学,培养,显微镜) 通常不敏感,依赖于侵入性采样.
- 早期和准确的诊断罕见或混合的菌感染仍然是一个挑战.
研究的目的:
- 审查最近在IMI诊断方面的创新.
- 突出诊断的进步,并确定局限性.
- 评估当前诊断算法的差距,以期未来的发展.
主要方法:
- 没有日期限制的文献搜索.
- 包括实验,临床研究,系统审查和元分析.
- 专注于IMI的新型诊断方法.
主要成果:
- 新的抗原检测试验 (侧流,化学发光免疫试验) 可用于Aspergillus.
- 尿路甘氨酸和 siderophores 等新的目标显示出诊断潜力.
- 向PCR提供了早期检测和抗药性识别的阿斯伯吉勒斯和菌.
- 下一代元基因组测序扩大了病原体检测,但面临成本和解释性挑战.
- 主体反应测定有希望,但仍在研究中.
结论:
- 在医院中,Aspergillus抗原测试越来越容易实施.
- 粘膜菌的PCR改善了粘膜菌的诊断,包括共感染.
- 多模式策略 (抗原测定,PCR,NGS) 提高了IMI诊断的准确性和及时性.
- 持续需要快速,准确,非侵入性IMI诊断测试.
- 宿主反应测定在临床使用前需要进一步验证.
- 未来的多中心研究对于标准化值和评估结果至关重要.
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