模拟一个目标试验的较短相比较长时间的抗生素治疗过程,用于阴性细菌病
Sandra Tingsgård1, Simone Bastrup Israelsen1, Christian Østergaard2
1Department of Infectious Diseases, Center of Research and Disruption of Infectious Diseases, Copenhagen University Hospital-Amager and Hvidovre, Hvidovre, Denmark.
概括
较短的抗生素持续时间 (5-7天) 显示了与更长的持续时间 (8-14天) 相似的结果,对格兰阴性细菌病,影响死亡率和复发率相似. 这一发现支持优化抗菌药物治疗的gram阴性感染.
科学领域:
- 传染性疾病 传染性疾病
- 临床流行病学 临床流行病学
- 药理学 药理学是指药理学的学科.
背景情况:
- 格拉姆阴性细菌病是一个重大的全球健康挑战,导致大量的发病率和死亡率.
- 有抗菌疗法可用,但优化治疗持续时间对于患者的治疗结果至关重要.
- 最近的证据表明,较短的抗生素疗程可能对不复杂的阴性细菌血症有效.
研究的目的:
- 模拟一个目标试验,比较短 (5-7天) 与长 (8-14天) 的抗生素治疗时间,以对抗грам阴性细菌血症.
- 评估治疗持续时间对90天全因死亡率和临床/微生物复发的影响.
- 在目标试验框架内利用现实世界的数据,以最大限度地减少偏见.
主要方法:
- 通过使用来自哥本哈根四家医院 (2018-2021) 的现实数据来规范和模拟一个假设的目标试验.
- 克隆,审查和权重方法被用于模拟随机试验分析,并完全遵守.
- 主要结局:90天全因死亡率. 二次结果:临床和微生物学复发的组合.
主要成果:
- 该研究包括1040名患者,主要是患有社区获得的грам阴性细菌病 (86%) 和尿路感染 (78%) 的老年男性.
- 较短和较长的治疗时间之间的所有原因死亡率的调整后90天风险差异为1.3% (95% CI: -0.7,3.3).
- 调整后的90天复发风险差异为0.7% (95% CI: -2.3,3.8),两种结果的风险比率相似.
结论:
- 较短的抗生素治疗持续时间 (5-7天) 在患有格拉姆阴性细菌血症的患者中显示出与更长时间 (8-14天) 的治疗结果相似的结果.
- 这些发现表明,优化,可能更短的抗生素疗程可以考虑用于无并发的グラム阴性细菌病.
- 该研究强调了目标试验框架在分析临床决策中的真实数据方面的有用性.
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