J Thromb Haemost:D-二聚体水平预测Covid‐19患者住院死亡率

2020-04-20 MedSci原创 MedSci原创

入院时D-二聚体大于2.0μg/mL(增加四倍)可以有效预测Covid-19患者的住院死亡率,这表明D-二聚体可能是改善Covid-19患者治疗早期且有用的标志物。

2019冠状病毒病(Covid‐19)的爆发已经出现了全球蔓延的趋势。迫切需要早期有效的临床预后指标,以改善Covid-19患者的治疗。近日,血栓和凝血疾病权威杂志Journal of Thrombosis and Haemostasis上发表了一篇研究文章,研究人员旨在评估升高的D-二聚体水平是否可以预测Covid-19患者的死亡率。

研究人员回顾性地招募了2020年1月12日至2020年3月15日期间在武汉亚洲综合医院经实验室检查确诊的Covid-19患者。研究人员收集了受试者入院时的D-二聚体水平和死亡事件,以使用受试者工作特征曲线计算最佳截止值。根据临界值,将受试者分为两组。然后比较两组之间的院内死亡率,以评估D-二聚体水平的预测价值。

该研究共纳入了343名符合条件的患者。采用D-二聚体预测院内死亡率的最佳临界值为2.0µg/ml,敏感性为92.3%,特异性为83.3%。入院时D-二聚体≥2.0µg/ml的患者有67例,D-二聚体<2.0 µg/ml的患者有267例。住院期间发生13例死亡病例,D-二聚体水平≥2.0µg/ml的患者与D-二聚体水平<2.0 µg/ml的患者相比,死亡率更高(12/67 vs. 1/267,P<0.001,HR为51.5,95%CI为12.9-206.7)。

由此可见,入院时D-二聚体大于2.0μg/mL(增加四倍)可以有效预测Covid-19患者的住院死亡率,这表明D-二聚体可能是改善Covid-19患者治疗早期且有用的标志物。

原始出处:

Litao Zhang.et al.D‐dimer levels on admission to predict in‐hospital mortality in patients with Covid‐19.Journal of Thrombosis and Haemostasis.2020.https://doi.org/10.1111/jth.14859

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    2020-09-08 hxj0117
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    2020-07-02 changfy
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