Abstract
Abdominal aortic aneurysm (AAA) is not uncommon to cause coagulopathy. Warfarin use in patients presented with ruptured AAA can further complicate the preparation for surgical intervention and affect prognosis. We reported a case of impending rupture AAA that progressed to contained leak AAA in a warfarin user, with persistent elevated and rebound international normalized ratio (INR) despite aggressive correction with fresh frozen plasma (FFP) and three-factor prothrombin complex concentrate (3F-PCC). Persistent and rebound coagulopathy is possible in AAA. Corrective treatment with FFP or 3F-PCC alone does not always guarantee the successful reversal of coagulopathy in AAA. Some cases, especially those that failed the initial corrective treatment, require more aggressive reversal with co-administration of vitamin K. This case described coagulopathy in AAA, anticoagulation reversal agents used and emphasized the importance of rigorous coagulation profile monitoring in managing AAA.
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