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多元组件策略的影响,包括去中心化结核分子检测对死亡率的影响:乌干达的一个集群随机试验的计划分析
Achilles Katamba1,2, Tessa Mochizuki3,4, Talemwa Nalugwa1
1Uganda Tuberculosis Implementation Research Consortium, Walimu, Kampala, Uganda.
EClinicalMedicine
|December 11, 2024
概括
乌干达Xpert分散的MTB/RIF测试显示,结核病死亡率有所降低,特别是在没有艾滋病毒的子组和女性中. 建议对近端结局进行进一步的研究.
科学领域:
- 公共卫生 公共卫生
- 传染病流行病学 传染病流行病学
- 临床诊断 临床诊断 临床诊断
背景情况:
- 快速结核病 (TB) 诊断对于患者的治疗结果和传播控制至关重要.
- 关于Xpert MTB/RIF (Xpert) 对死亡率的影响的先前研究仍然没有确定性.
- 一个实用的集群随机试验评估了一种策略,包括对乌干达的成年人进行分散的Xpert测试,这些成年人可能患有结核病.
研究的目的:
- 评估一个多元组件策略,包括分散的Xpert测试,是否能降低成年人的死亡率.
- 在集群随机试验中分析全因死亡率作为次要结果.
- 为了比较干预和常规护理手臂之间的死亡率和风险.
主要方法:
- 一个集群随机试验,涉及乌干达20个社区卫生中心.
- 干预部门:现场专家测试与实施支持 (XPEL-TB).
- 对照组:常规结核病护理 (涂抹显微镜和转诊Xpert).
- 主要结果:死亡率 (18个月的审查);次要结果:6个月的死亡风险.
- 用集群级别的分析来比较结果.
主要成果:
- 在9563名参与者中,88%的生命状态被确定.
- 调整后的死亡率比率为0.77 (95% CI:0.47-1.28),有利于干预.
- 亚组分析表明,在没有艾滋病毒的个人 (aRR=0.50) 和女性 (aRR=0.64) 的干预组中,死亡率较低.
- 死亡风险分析显示了类似的趋势.
结论:
- 点数估计表明,Xpert测试可能会影响社区卫生中心的死亡率,尽管在本试验中没有统计学意义.
- 观察到的效果大小很小,这凸显了对更大或更长时间的试验的需求.
- 未来的试验应该考虑更近距离的结果,如结核病检测和新诊断的治疗启动.
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