Direct oral anticoagulants in the early phase of non valvular atrial fibrillation-related acute ischemic stroke: focus on real life studies.

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Direct oral anticoagulants in the early phase of non valvular atrial fibrillation-related acute ischemic stroke: focus on real life studies.

J Thromb Thrombolysis. 2018 Nov 23;:

Authors: Masotti L, Grifoni E, Dei A, Vannucchi V, Moroni F, Panigada G, Spolveri S, Landini G

Abstract
Strong evidence for the use of direct oral anticoagulants (DOACs) in the early phase of non valvular atrial fibrillation (NVAF)-related acute ischemic stroke (AIS) is lacking, because this kind of patients were excluded from phase III randomized clinical trials (RCT) and ad hoc RCTs are ongoing. In the latest years a lot of real life studies on this topic have been published. The aim of our review was to focus on these. We reviewed the PubMed databases searching articles reporting on DOACs starting time within 2 weeks from AIS onset. We selected fifteen studies, eight with retrospective, six with prospective observational and one with a prospective, open-label, single arm design. Overall, 2920 patients (47.8% females) were included. In twelve studies median or mean age of patients was over 75 years. Mean or median NIHSS ad hospital admission was ≤ 12 in all studies. About one-third of patients (32.4%) received urgent reperfusion by systemic thrombolysis or mechanical thrombectomy. About one-fifth of patients (22.8%) had large infarct size. Median starting time of DOACs was reported in thirteen studies and it ranged from 2 to 8 days. About one-half of patients (45.9%) received a low dose of DOACs. In studies reporting on median or mean CHA2DS2-VASC score, it was ≥ 3 in all. In studies reporting on median or mean HAS-BLED score, it was ≥ 2 in all. Ninety-day follow-up was available for nine studies, overall including about 2200 patients. Incidence of 90-day TIA/stroke recurrence, symptomatic haemorrhagic transformation or intracranial bleeding and all cause mortality was 2.25%, 0.90% and 1.5%, respectively. The real life evidence suggests that early starting of DOACs in patients with NVAF-related AIS is safe and associated with low recurrence risk and all-cause mortality.

PMID: 30470967 [PubMed - as supplied by publisher]

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