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在败血症中发现异质性:对子类型的比较分析
Rombout B E van Amstel1,2, Jason N Kennedy3, Brendon P Scicluna4,5
1Department of Intensive Care Medicine, Amsterdam UMC, Location University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands. r.b.vanamstel@amsterdamumc.nl.
Intensive care medicine
|October 18, 2023
概括
不同的败血症亚型策略不一致,表明它们捕获了不同的患者群体. 这凸显了在败血症研究和治疗中仔细考虑患者分层的必要性.
科学领域:
- 关键护理医学 关键护理医学
- 败血症病理生理学病理生理学
- 翻译研究是翻译研究.
背景情况:
- 败血症异质性使精确的治疗策略变得复杂.
- 之前的努力根据生物学或结果确定了败血症亚型.
- 有限的研究已经探索了这些已识别的败血症亚型之间的重叠和一致性.
研究的目的:
- 评估四种不同的亚型策略分类的血症严重病患者之间的一致性.
- 为了确定临床,生物标志物和转录基因方法是否可以识别可比的败血症患者群体.
主要方法:
- 从一个多中心前性观察性研究中对522名危急性败血症患者的二次分析.
- 用四种已确定的亚型策略对患者进行分类:临床 (α-δ),炎症生物标志物 (超/低炎症) 和转录组 (Mars1-Mars4,SRS1-SRS2).
- 在亚型标签,临床特征,宿主反应和败血症组合之间进行了对应性分析.
主要成果:
- 不同的败血症亚型方法之间没有明确的关系 (Cramer's V = 0.086-0.456).
- 转录基因亚型Mars2和SRS1在宿主反应生物标志物中显示出最多的相似性.
- 亚型的组合显示出不同的患者特征和结果,强调了异质性.
结论:
- 使用临床,生物标志物和转录组数据的败血症亚型策略不会产生可比的患者群体.
- 这些不同的分类可能反映出不同临床特征和败血症的潜在生物机制.
- 缺乏一致性表明,在临床实践和研究中应用不同的亚型定义时需要谨慎.
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