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. 2020 Jun 25;58(7):1116-1120.
doi: 10.1515/cclm-2020-0188.

Prominent changes in blood coagulation of patients with SARS-CoV-2 infection

Huan Han  1 , Lan Yang  2 , Rui Liu  1 , Fang Liu  3   4 , Kai-Lang Wu  3 , Jie Li  2 , Xing-Hui Liu  2 , Cheng-Liang Zhu  1
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Free article

Prominent changes in blood coagulation of patients with SARS-CoV-2 infection

Huan Han et al. Clin Chem Lab Med. .
Free article

Abstract

Background As the number of patients increases, there is a growing understanding of the form of pneumonia sustained by the 2019 novel coronavirus (SARS-CoV-2), which has caused an outbreak in China. Up to now, clinical features and treatment of patients infected with SARS-CoV-2 have been reported in detail. However, the relationship between SARS-CoV-2 and coagulation has been scarcely addressed. Our aim is to investigate the blood coagulation function of patients with SARS-CoV-2 infection. Methods In our study, 94 patients with confirmed SARS-CoV-2 infection were admitted in Renmin Hospital of Wuhan University. We prospectively collect blood coagulation data in these patients and in 40 healthy controls during the same period. Results Antithrombin values in patients were lower than that in the control group (p < 0.001). The values of D-dimer, fibrin/fibrinogen degradation products (FDP), and fibrinogen (FIB) in all SARS-CoV-2 cases were substantially higher than those in healthy controls. Moreover, D-dimer and FDP values in patients with severe SARS-CoV-2 infection were higher than those in patients with milder forms. Compared with healthy controls, prothrombin time activity (PT-act) was lower in SARS-CoV-2 patients. Thrombin time in critical SARS-CoV-2 patients was also shorter than that in controls. Conclusions The coagulation function in patients with SARS-CoV-2 is significantly deranged compared with healthy people, but monitoring D-dimer and FDP values may be helpful for the early identification of severe cases.

Keywords: SARS-CoV-2; blood coagulation; coronavirus disease 2019.

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