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    Home > Active Ingredient News > Blood System > BMJ: Patients with atrial fibrillation or mechanical heart valve implantation do not require anticoagulation and bridging treatment after invasive surgery

    BMJ: Patients with atrial fibrillation or mechanical heart valve implantation do not require anticoagulation and bridging treatment after invasive surgery

    • Last Update: 2021-06-16
    • Source: Internet
    • Author: User
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    Patients with atrial fibrillation and mechanical heart valve implantation require continuous anticoagulant therapy, mainly vitamin K antagonists, but due to invasive surgery, patients need to discontinue warfarin treatment


    Recently, researchers investigated the safety and effectiveness of postoperative low molecular weight heparin (LMWH) bridging


    The study was carried out in 10 clinical centers in Canada and India.


    Thrombus myocardial infarction blood vessel

    The incidence of major thromboembolism within 90 days was 1.


    The incidence of major thromboembolism within 90 days was 1.


    Studies have concluded that in patients with atrial fibrillation or mechanical heart valve implantation who interrupted warfarin anticoagulation therapy due to surgery, postoperative dalteparin sodium bridging has no significant effect on preventing the risk of major thrombosis


    In patients with atrial fibrillation or mechanical heart valve implantation who discontinued warfarin anticoagulation therapy due to surgery, postoperative dalteparin sodium bridging has no significant effect on preventing the risk of major thrombosis


    Original source:

    Michael J Kovacs et al.


    Postoperative low molecular weight heparin bridging treatment for patients at high risk of arterial thromboembolism (PERIOP2): double blind randomised controlled trial.


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