不正常的常规凝血参数在Dabie带病毒感染中的影响
Tianzhu Zhang1, Huan Bai2, Bin Wang2
1Department of Laboratory Medicine, Maternal and Child Health Hospital of Hubei Province, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
Scandinavian journal of clinical and laboratory investigation
|August 19, 2025
概括
达比班达病毒 (DBV) 感染导致长时间的APTT和TT,反映出血栓生成减少. 较高的D-二次数表明血栓激素活性增加,较低的内源性血栓激素潜力预测DBV患者的出血风险.
科学领域:
- 血液学 血液学 血液学
- 传染性疾病 传染性疾病
- 病毒学 病毒学
背景情况:
- 达比班达病毒 (DBV) 感染与特征性凝血异常有关,包括长时间的活性局部血栓形成时间 (APTT) 和血栓时间 (TT).
- 常见的解释包括感染诱导的凝血激活,消耗,以及来自内源性肝素硫酸盐的类效应.
- 这些凝血变化的确切临床意义及其与DBV患者出血风险的联系仍然不清楚.
研究的目的:
- 阐明Dabie bandavirus (DBV) 感染患者异常凝血参数的影响.
- 调查凝血概况,出血倾向和患者预后之间的相关性.
- 评估肝素硫酸盐 (HS),血栓素-抗血栓素 (TAT) 综合体和DBV感染中的血栓素生成 (TG) 之间的关系.
主要方法:
- 一项前性观察性研究招募了121名连续感染DBV的患者.
- 在入院时,评估了常规的凝血参数 (APTT,TT,PT),HS水平,TAT复合体和血栓生成 (TG) 测试.
- 住院期间的出血事件被系统地记录和分析.
主要成果:
- 从TG测试中,延长的APTT和TT与HS水平呈正相关,与内源性血栓激素潜力 (ETP) 呈负相关.
- 在D-二聚合物和TAT水平之间观察到强烈的正相关性 (r=0.841).
- 与没有出血的患者相比,经历出血事件的患者接受的APTT和D-二次体较高,血小板数和ETP较低. ETP是出血的唯一独立预测因子.
结论:
- 在DBV感染中,长时间的APTT和TT意味着血栓生成潜力下降.
- 升高的D-二聚合物水平反映出血栓活性增加.
- 了解这些凝血参数的影响有助于管理DBV感染和预测出血风险.
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