针对C. difficile感染的诊断指南
Joffrey van Prehn1,2, Monique J T Crobach3, Amoe Baktash3
1Department of Medical Microbiology, Leiden University Centre for Infectious Diseases (LU-CID), Leiden University Medical Centre, Leiden, The Netherlands. J.van_Prehn@lumc.nl.
Advances in experimental medicine and biology
|January 4, 2024
概括
诊断Clostridioides difficile感染 (CDI) 是复杂的,因为不完美的参考测试和快速测试. 目前的指南建议进行多步骤测试,但正在探索替代策略以提高准确性.
科学领域:
- 传染性疾病 传染性疾病
- 临床微生物学 临床微生物学
- 诊断检测试验 诊断检测试验
背景情况:
- 难以诊断的 Clostridioides 感染 (CDI) 诊断提出了挑战,关于黄金标准参考试验 (细胞毒性中和试验与毒性培养) 的持续辩论.
- 现有的快速诊断试验 (酶免疫试验,核酸放大试验) 在敏感性,特异性和区分感染与无症状殖民方面存在局限性.
- 国际指导方针提倡多步算法测试以提高诊断准确性,这种做法反映在欧洲医院调查中.
研究的目的:
- 审查Clostridioides difficile感染 (CDI) 的诊断挑战和当前策略.
- 评估CDI现有的参考和快速诊断试验的局限性.
- 讨论算法测试的作用和新兴的替代诊断方法.
主要方法:
- 对当前文献和关于Clostridioides difficile感染 (CDI) 诊断的指导方针的审查.
- 分析与参考试验 (CCNA,TC) 和快速诊断试验相关的局限性.
- 讨论多步算法测试和新型诊断方法.
主要成果:
- 细胞细胞毒性中和测定 (CCNA) 和毒性培养 (TC) 都具有限制,作为CDI诊断的黄金标准.
- 针对CDI检测的快速测定显示出低于最佳的灵敏度/特异性,或无法区分殖民和感染.
- 很大一部分欧洲医院使用多测试策略来诊断CDI,受样本选择标准的影响.
结论:
- 目前用于Clostridioides difficile感染 (CDI) 的诊断方法仍然不完美.
- 通过指导方针建议进行多步算法测试,以优化诊断准确度.
- 像生物标志物分析这样的替代策略对辅助作用有希望,但还不能取代传统测试.
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