Difficult reversal of dabigatran with idarucizumab in a multiple-trauma patient: A question of dose?

Le résumé fourni par la source

Dabigatran is an oral anticoagulant directly acting as thrombin inhibitor. The monoclonal antibody idarucizumab was developed to reverse its anticoagulatory effects after application of a standardized dose. Following administration, dabigatran plasma level rebounds have been reported but its consequences are not fully understood. We report a case of a multiple-trauma patient under dabigatran treatment suffering from secondary bleeding relapse after initially successful reversal with idarucizumab. Stabilisation of the patient's coagulopathy and subsequent bleeding was not achieved until application of an additional dose of idarucizumab. We conclude that patients treated with dabigatran and presenting with active bleeding require close attention to its reversal with standard doses of idarucizumab. Screening for thrombin time was shown beneficial in early detection of dabigatran rebound in this case.

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