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对肺结核的诊断方法和里法辛抗性的评估:一项基于医院的研究
Priyanka Joshi1, Krishna G Singh2, Vishal Patidar3
1Pulmonary Medicine, Mahaveer Institute of Medical Sciences and Research, Bhopal, IND.
Cureus
|September 17, 2024
概括
这项研究强调了印度肺结核 (TB) 的高患病率. 与涂抹显微镜相比,基于子的核酸放大测试 (CBNAAT) 显示出更高的灵敏度来检测Mycobacterium结核病 (MTB) 和利法素耐药性.
科学领域:
- 肺部医学 肺部医学
- 传染性疾病 传染性疾病
- 微生物学 微生物学
背景情况:
- 结核病 (TB) 仍然是印度的一个重大公共卫生问题,主要影响肺部.
- 结核菌菌 (MTB) 是致病原体,而肺结核病则是一个重大挑战.
研究的目的:
- 分析肺结核病例的人口统计,放射和临床亚组.
- 评估涂抹酸快菌根 (AFB) 检查和基于弹的核酸放大试验 (CBNAAT) 之间的关系.
- 确定CBNAAT对MTB检测和 rifampicin 耐药性的敏感性,在新患者和之前接受过治疗的患者中.
主要方法:
- 一项为期16个月的前性医院研究,涉及150名肺结核患者 (新患者和以前接受过治疗).
- 数据收集包括人口统计,临床症状,并发症,胸部X射线和微生物学测试 (smear AFB,CBNAAT).
- 使用Ziehl-Neelsen染色和CBNAAT分析液样本,以检测MTB和抗利芬素耐药性.
主要成果:
- 在94%的病例中,CBNAAT检测到MTB,明显高于涂抹显微镜 (72.7%).
- CBNAAT显示高灵敏度 (93.97%的涂抹阳性样本, 94.12%的涂抹阴性样本).
- 在3%的新病例和6%的先前治疗病例中观察到里芬辛耐药性.
结论:
- CBNAAT是诊断肺结核和检测里芬辛耐药性的高效工具,特别是在涂抹阴性病例中.
- 这些发现强调需要进行普遍的药物敏感性测试 (DST),以实现最佳的结核病管理.
- 解决耐药性对于改善肺结核治疗结果至关重要.
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