败血症预测:生物标志物结合在贝叶斯的方法
João V B Cabral1,2, Maria M B M da Silveira3, Wilma T F Vasconcelos2
1Postgraduate Program in Therapeutic Innovation, Federal University of Pernambuco-UFPE, Professor Moraes Rego Avenue, SN, University City, Recife 50670-420, Brazil.
International journal of molecular sciences
|August 14, 2025
概括
在儿童中,通过将可溶性触发受体表达在骨髓细胞-1 (sTREM-1),C-反应蛋白 (CRP) 和白血素组合而改善败血症预测. 这种贝叶斯模型为早期毒症检测提供了一个有前途的诊断工具.
科学领域:
- 生物医学研究的研究.
- 临床诊断 临床诊断 临床诊断
- 儿科重症监护 儿科重症监护 儿科重症监护
背景情况:
- 败血症是一个重大的公共卫生挑战,需要改进的诊断工具.
- 在骨髓细胞-1 (sTREM-1) 上表达的可溶性触发受体显示出作为炎症和感染过程的生物标志物的潜力.
- 早期和准确的败血症预测对于患者的结果至关重要,特别是在脆弱的儿科群体中.
研究的目的:
- 开发和评估一款预测性模型,用于对患有先天性心脏病的儿童进行手术纠正的败血症.
- 评估sTREM-1,C反应蛋白 (CRP) 和白血素在术后预测败血症中的有用性.
- 使用贝叶斯网络整合这些生物标志物,以提高诊断准确度.
主要方法:
- 一项翻译性研究涉及32名患有先天性心脏病的儿科患者.
- 在术后期测量sTREM-1,CRP和白细胞计数.
- 使用贝叶斯网络方法构建预测性败血症模型.
主要成果:
- 术后的sTREM-1水平在败血症患者中明显高于非败血症患者 (394.58 pg/mL对比239.93 pg/mL,p < 0.001).
- 对sTREM-1的ROC曲线分析表明曲线下的面积为0.761 (p = 0.013).
- 贝叶斯模型表明,有100%的败血症概率,CRP> 71 mg/dL,白血素图> 14,000 细胞/μL,sTREM-1> 283.53 pg/mL.
结论:
- 通过贝叶斯网络集成的sTREM-1,CRP和白内素图的组合显示出对儿科患者败血症的诊断有显著的前景.
- 这种多生物标志物方法提供了一个潜在的有价值的工具,以改善早期毒症检测和管理在这个高风险群体.
- 在更大的队列中进一步验证是有必要的,以巩固其临床实用性.
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