杆菌实时定量PCR检查内镜处理的疗效
L Mussina1, F Khoury2, D Araujo3
1Infectious Diseases and Microbiology, School of Public Health University of Pittsburgh, Pittsburgh, PA.
American journal of infection control
|July 6, 2025
概括
高级消毒有效地减少了Helicobacter pylori (H. pylori),但没有消除其DNA. 胃洗检测到H. pylori比活检更常见,这表明诊断潜力有所改善.
科学领域:
- 胃肠病学 胃肠病学
- 传染性疾病 传染性疾病
- 医疗设备再加工 医疗设备再加工
背景情况:
- 杆菌 (H. pylori) 是胃潰瘍疾病的主要致病因子.
- 内镜手术需要有效的消毒协议,以防止病原体的传播.
- 评估目前对H. pylori的高水平消毒 (HLD) 的有效性对于患者的安全至关重要.
研究的目的:
- 为了确定标准高水平消毒 (HLD) 在从内镜中根除H. pylori的有效性.
- 为了评估H. pylori感染在接受食管胃双胞胎镜检查 (EGD) 的患者中的患病率.
- 为了比较胃洗的诊断准确性,尿酸酶测试,培养和活检以检测H. pylori.
主要方法:
- 一项前性研究,涉及101名接受EGD的患者.
- 使用胃洗,尿酸酶检测,微生物培养和在内镜冲洗样本上的qPCR检测H. pylori. 在HLD后.
- 胃洗和活检样本之间的H. pylori检测率的比较.
主要成果:
- 胆囊杆菌的流行率为37% (尿),21.9% (培养) 和2.4% (活检).
- 胃洗发现H. pylori的频率是活检的四倍.
- 定量PCR (qPCR) 在显著更多的HLD后样本 (27对3名患者) 中检测到H. pyloriDNA,表明根除不完全.
结论:
- 在内镜上,HLD可以减少,但不能消除H. pylori的DNA.
- qPCR提供比培养更高的灵敏度,但不能确认感染潜力.
- 与组织学相比,胃洗可能是检测H. pylori的更敏感的方法.
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