延迟抗凝与败血症引起的凝血病的较低死亡率有关:来自MIMIC-IV的大规模,倾向性得分匹配的队列研究
Tiantian Zhou1,2, Huan Liu1,2, Fengxia Qin1,2
1Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, China.
International journal of surgery (London, England)
|February 3, 2026
概括
在患有败血症引起的凝血病 (SIC) 危急病患者中推迟抗凝血改善了生存率. 这表明,针对抗凝固时间的量身定制方法可能对败血症患者有益.
科学领域:
- 关键护理医学 关键护理医学
- 血液学 血液学 血液学
- 药理学 药理学是指药理学的学科.
背景情况:
- 败血症引起的凝血病 (SIC) 是重症患者的常见并发症.
- 在SIC中启动抗凝剂的最佳时间尚不清楚.
- 早期干预通常是标准的,但它对结果的影响需要进一步研究.
研究的目的:
- 调查SIC重病患者抗凝开始时间和临床结果之间的关联.
- 为了确定早期与延迟抗凝剂是否影响死亡率.
- 确定可能从特定的抗凝血定时中受益最多的患者子组.
主要方法:
- 使用MIMIC-IV数据库进行回顾性队列研究.
- 包括接受抗凝药的SIC (ISTH-SIC评分≥4) 的成年患者.
- 将患者分层分为早期 (≤48小时) 和延迟 (>48小时) 抗凝血剂组.
- 用于基线特征平衡的倾向性得分匹配 (PSM).
- 考克斯的比例危险模型分析了生存差异.
主要成果:
- 延迟抗凝剂与PSM后28天死亡率显著降低 (15%与19%,P<0.001) 相联系.
- 卡普兰-梅尔生存曲线显示,延迟组的生存率显著改善 (P < 0.001).
- 老年 (>65岁) 患者,没有急性损伤的患者,血小板数量较高,SOFA分数较高,并接受未分离的肝素治疗的患者的生存益处更为明显.
结论:
- 在SIC重症重症患者中,延迟抗凝剂的启动独立地与改善短期和中期存活率有关.
- 研究结果支持以表型为导向的,时间分层的抗凝血方法在败血症.
- 需要进一步的前性试验来确认最佳的抗凝血定时策略.
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