Brit J Heamatol:新冠患者的迟发性血小板减少症

2020-07-01 MedSci原创 MedSci原创

2019冠状病毒病(COVID-19)可能会影响造血系统。入院时血小板减少症很普遍,而晚期或迟发性血小板减少症(在症状发作后14天发生)很少见。

2019冠状病毒病(COVID-19)可能会影响造血系统。入院时血小板减少症很普遍,而晚期或迟发性血小板减少症(在症状发作后14天发生)很少见。

近日,血液系统疾病权威杂志British Journal of Haematology上发表了一篇研究文章,这项回顾性单中心研究于2020年1月25日至3月9日在中国武汉市协和医院筛查了450例COVID-19患者,并招募了271例患者。

11.8%招募患者发生了与COVID-19相关的晚期血小板减少症。老年患者或入院时淋巴细胞计数低的患者容易出现COVID-19相关的迟发性血小板减少症。迟发性血小板减少症与住院时间延长和死亡率较高显著相关。血小板计数最低点显示与B细胞百分比显著负相关。研究人员还提供并描述了3例迟发性血小板减少症患者的骨髓穿刺病理,显示巨核细胞成熟受损。研究人员推测,免疫介导的血小板破坏可能是导致这类患者血小板减少的原因。

临床医生需要注意COVID-19患者的迟发性血小板减少症,尤其是在症状发作后的3-4周。

原始出处:

Wanxin Chen.et al.Delayed‐phase thrombocytopenia in patients with coronavirus disease 2019 (COVID‐19).british journal of haematology.2020.https://onlinelibrary.wiley.com/doi/10.1111/bjh.16885

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    2020-07-01 公卫新人

    新冠肺炎,疫情何时才能消失

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