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<p>Long COVID (LC) or post-acute sequelae of SARS-CoV-2 infection (PASC) is defined as ongoing, relapsing or new symptoms/conditions persisting after an acute COVID-19 infection. Given the potential role of oral anticoagulants (OAC) in treating thrombotic sequelae of LC/PASC, we investigated whether prevalent OAC use at the time of acute COVID-19 infection was associated with reduced development of LC/PASC. Retrospective cohort study within the TriNetx network. The primary cohort was defined as adults with a confirmed diagnosis of COVID-19. We defined OAC users as those who had received OACs (either direct-acting OACs [DOACs] or vitamin K antagonists [VKA]) in the preceding 3-months and non-users as those without OAC use within the previous 12-months. The primary outcome was a composite of 9 features associated with LC/PASC We identified 38,409 DOAC users, 19,243 VKA users, and 2,329,771 non-OAC users with acute COVID-19 infection. After successful propensity score matching (PSM), we found an increased risk of LC/PASC features in those receiving DOAC compared to non-OAC (HR [95% CI] 1.50 [1.35 to 1.68], <i>p</i> &lt; 0.0001), and in VKA users compared to non-OACs (HR [95% CI] 1.98 [1.78 to 2.20], <i>p</i> &lt; 0.0001), while DOAC users were at reduced risk compared to VKA users (HR [95% CI] 0.71 [0.62 to 0.81], <i>p</i> &lt; 0.0001). We found no evidence that prevalent OAC at the time of acute COVID-19 infection was associated with reduced risk of LC/PASC. Further work is needed to understand whether there is a role for OAC therapy in the management of LC/PASC.</p>

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The use of oral anticoagulation at the time of acute COVID-19 infection and subsequent development of long-COVID/post-acute sequelae of SARS-CoV-2 infection

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年4月5日

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  • Freddy Frost,
  • José Miguel Rivera-Caravaca,
  • Gregory Y. H. Lip

摘要

Long COVID (LC) or post-acute sequelae of SARS-CoV-2 infection (PASC) is defined as ongoing, relapsing or new symptoms/conditions persisting after an acute COVID-19 infection. Given the potential role of oral anticoagulants (OAC) in treating thrombotic sequelae of LC/PASC, we investigated whether prevalent OAC use at the time of acute COVID-19 infection was associated with reduced development of LC/PASC. Retrospective cohort study within the TriNetx network. The primary cohort was defined as adults with a confirmed diagnosis of COVID-19. We defined OAC users as those who had received OACs (either direct-acting OACs [DOACs] or vitamin K antagonists [VKA]) in the preceding 3-months and non-users as those without OAC use within the previous 12-months. The primary outcome was a composite of 9 features associated with LC/PASC We identified 38,409 DOAC users, 19,243 VKA users, and 2,329,771 non-OAC users with acute COVID-19 infection. After successful propensity score matching (PSM), we found an increased risk of LC/PASC features in those receiving DOAC compared to non-OAC (HR [95% CI] 1.50 [1.35 to 1.68], p < 0.0001), and in VKA users compared to non-OACs (HR [95% CI] 1.98 [1.78 to 2.20], p < 0.0001), while DOAC users were at reduced risk compared to VKA users (HR [95% CI] 0.71 [0.62 to 0.81], p < 0.0001). We found no evidence that prevalent OAC at the time of acute COVID-19 infection was associated with reduced risk of LC/PASC. Further work is needed to understand whether there is a role for OAC therapy in the management of LC/PASC.