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Int J Lab Hematol . Manifestations of Blood Coagulation and Its Relation to Clinical Outcomes in Severe COVID-19 Patients: Retrospective Analysis

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  • Int J Lab Hematol . Manifestations of Blood Coagulation and Its Relation to Clinical Outcomes in Severe COVID-19 Patients: Retrospective Analysis


    Int J Lab Hematol


    . 2020 Jun 27.
    doi: 10.1111/ijlh.13273. Online ahead of print.
    Manifestations of Blood Coagulation and Its Relation to Clinical Outcomes in Severe COVID-19 Patients: Retrospective Analysis


    Yanhong Zhang 1 , Liwei He 1 , Huixin Chen 1 , Shuangyan Lu 1 , Yongfen Xiong 1 , Juan Liu 1 , Yao Zheng 1 , Shun Wang 1 , Lei Liu 2



    Affiliations

    Abstract

    Introduction: Characteristics of blood coagulation and its relation to clinical outcomes in COVID-19 patients are still rarely reported. We aimed to investigate the blood coagulation function and its influences on clinical outcomes of patients with syndrome coronavirus 2 (SARS-CoV-2) infection.
    Methods: A total of 71 severe patients with confirmed SARS-CoV-2 infection who were treated in Wuhan First Hospital from February 12 to March 20, 2020, were enrolled. The blood coagulation data in these patients and in 61 healthy controls were collected. The patients with COVID-19 were divided into two groups: the aggravated group and the nonaggravated group, respectively, basing on whether the patients' conditions turned to critically ill or not after admission.
    Results: Compared with healthy controls, patients with COVID-19 had significant performances with coagulation dysfunction, including dramatically elevated values of FIB, PT, APTT, INR, FDP, and D-Dimers but markedly reduced AT value (P < .05). Importantly, more noteworthy coagulation disorders similar to the differences between patients and controls were found in the aggravated patients with conditions deterioration after admission than those in the nonaggravated patients without conditions deterioration (P < .05). Moreover, the aggravated patients possessed a longer hospital stay and a higher mortality compared with the nonaggravated patients (P < .001). The coagulation parameters of COVID-19 patients were widely and closely related to the indexes of liver function and inflammation (P < .05), indicating the coagulation dysfunction of these patients may be caused by liver injury and inflammatory storm.
    Conclusion: Severe patients with SARS-CoV-2 infection often possess coagulation dysfunction on admission. A certain correlation exists in coagulation disorder and adverse clinical outcome among severe COVID-19 patients.

    Keywords: COVID-19; blood coagulation; clinical outcome; inflammation; liver function.

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