[Use of specific antidotes in DOAC-associated severe gastrointestinal bleeding - an expert consensus - Antagonozation of direct oral anticoagulants in gastrointestinal hemorrhages].
Zeitschrift fur Gastroenterologie(2023)
摘要
Gastrointestinal (GI) bleeding is one of the most common complications associated with the use of direct oral anticoagulants (DOAC). Clear algorithms exist for the emergency measures in (suspected) GI bleeding, including assessing the medication history regarding anti-platelet drugs and anticoagulants as well as simple coagulation tests during pre-endoscopic management. Platelet transfusions, fresh frozen plasma (FFP), or prothrombin complex concentrate (4F-PCC) are commonly used for optimizing the coagulation status. For severe bleeding under the thrombin inhibitor dabigatran, idarucizumab is available, and for bleeding under the factor Xa inhibitors rivaroxaban or apixaban, andexanet alfa is available as specific antidotes for DOAC antagonization. These antidotes represent emergency drugs that are typically used only after performing guideline-compliant multimodal measures including emergency endoscopy. Antagonization of oral anticoagulants should be considered for severe gastrointestinal bleeding in the following situations: (1) refractory hemorrhagic shock, (2) endoscopically unstoppable bleeding, or (3) nonavoidable delays until emergency endoscopy for life-threatening bleeding. After successful (endoscopic) hemostasis, anticoagulation (DOACs, vitamin K antagonist, heparin) should be resumed timely (i.e. usually within a week), taking into account individual bleeding and thromboembolic risk.
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关键词
anticoagulation, upper gastrointestinal bleeding, antidot, liver cirrhosis
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