Management of Oral Anticoagulant-associated Intracerebral Hemorrhage

Author:

Epple Corina12,Steiner Thorsten13

Affiliation:

1. Department of Neurology, Klinikum Frankfurt Höchst, Frankfurt, Germany.

2. Department of Neurology, Klinikum Hanau, Hanau, Germany.

3. Department of Neurolgy, Heidelberg University Hospital, Heidelberg, Germany.

Abstract

Introduction: Oral anticoagulant-associated intracerebral hemorrhages (OAC-ICHs) account for nearly 20% of all ICH and are associated with high mortality. The number of patients with an indication for oral anticoagulant therapy (OAT) is increasing with the aging population; therefore, despite the improved safety profile of non-vitamin K oral anticoagulants (NOACs), the number of patients with OAC-ICH will increase. OAT was simplified with the introduction of NOACs, which are easy to handle and show a favorable risk-benefit profile. The rate of ICH is lower than for vitamin K antagonists (VKA) and routine coagulation testing is not required. Nevertheless, OAC-ICH does occur and is still a devastating disease, thus representing the most feared complication in OAT, irrespective of treatment with VKA or NOAC. Purpose: The aim of this article is to address the clinical problem of bleeding management in patients with ICH due to OAC and will consider anticoagulation with NOAC and VKA. Recommendations: Restoring coagulation as soon as possible is the main goal and, therefore, knowledge of the actual coagulation status is essential. In VKA-associated ICH, the international normalized ratio (INR) should be lowered to below 1.3. However, laboratory measurement of anticoagulant activity in NOAC patients is more complex, rendering OAC-ICH treatment more complicated. The best assays are specialized and not widely available, whereas more accessible tests such as prothrombin time and activated partial thromboplastin time have important limitations. For VKA-ICH, prothrombin complex concentrate (PCC) should be administered to reverse the INR. For dabigatran-related ICH, 5 g idarucizumab should be administered. For factor Xa inhibitors, PCC is recommended in the absence of andexanet alfa as soon as an OAC-related ICH evolves. Resuming OAC after ICH should be considered, depending on risk factors and a risk-benefit evaluation.

Publisher

SAGE Publications

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