Abstract
Central nervous system (CNS) hemorrhage is a serious complication related to direct oral anticoagulant (DOAC) therapy. Current recommendations about re-initiation of anticoagulation treatment are limited to expert opinions. For this purpose, we analyzed the data of all consecutive DOAC patients with CNS hemorrhage, in whom DOACs were reinitiated. Over a 6-year period (2012-2018), all consecutive patients with CNS hemorrhage (subdural, subarachnoid, intracerebral, spinal), while receiving DOACs, were included in this observational single-center cohort study. DOAC therapy was reinitiated only in patients with well-controlled arterial hypertension and diabetes, as well as exclusion of vascular malformations and cerebral amyloid angiopathy. The composite primary endpoint comprised of recurrent CNS hemorrhage, ischemic stroke, and mortality; secondary endpoints were separate aforementioned outcomes. Of the 54 patients included, 18 died within a month of CNS hemorrhage. The average observational time was 590days. DOACs were reinitiated in 13/36 patients (36%); of these patients, three died: none due to ischemic stroke or recurrent CNS bleeding. In 23 patients, anticoagulation was not reinitiated; of these patients, 10 died: three from recurrent CNS hemorrhage, one due to ischemic stroke, and six from causes unrelated to stroke. In carefully selected patients, re-initiation of DOAC therapy did not increase the rate of both endpoints. Recommendations for DOAC re-initiation, which include hypertension and diabetes control, as well as treated vascular malformations, and excluded cerebral amyloid angiopathy, appear to be valid in clinical practice.
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More From: Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology
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