{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T08:42:40Z","timestamp":1792658560972,"version":"4.5.0"},"reference-count":45,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"10","license":[{"start":{"date-parts":[[2022,10,1]],"date-time":"2022-10-01T00:00:00Z","timestamp":1664582400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["Stroke"],"published-print":{"date-parts":[[2022,10]]},"abstract":"<jats:sec>\n            <jats:title>Background:<\/jats:title>\n            <jats:p>For patients with atrial fibrillation who survive an intracranial hemorrhage (ICrH), the decision to offer oral anticoagulation (OAC) is challenging and necessitates balancing risk of thromboembolic events with risk of recurrent ICrH.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods:<\/jats:title>\n            <jats:p>This systematic review assesses the effectiveness and safety of OAC and\/or antiplatelets in patients with atrial fibrillation with nontraumatic ICrH. Bibliographic databases CENTRAL, MEDLINE, EMBASE, and CINAHL were searched. Articles on adults with atrial fibrillation with spontaneous ICrH (intracerebral, subdural, and subarachnoid), receiving antithrombotic therapy for stroke prevention were eligible for inclusion.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results:<\/jats:title>\n            <jats:p>\n              Twenty articles (50\u2009470 participants) included 2 randomized controlled trials (n=304)\u201a 8 observational studies, 8 cohort studies, and 2 studies that meta-analyzed individual-level data from observational studies. OAC therapy was associated with a significant reduction in thromboembolic events (summary relative risk [sRR], 0.51 [95% CI, 0.30\u20130.86], heterogeneity I\n              <jats:sup>2<\/jats:sup>\n              =2%;\n              <jats:italic>P<\/jats:italic>\n              =0.39, n=5 studies) and all-cause mortality (sRR, 0.52 [95% CI, 0.38\u20130.71], heterogeneity I\n              <jats:sup>2<\/jats:sup>\n              =0;\n              <jats:italic>P<\/jats:italic>\n              =0.44, n=3 studies). OAC therapy was not associated with an increased risk of recurrent ICrH (sRR, 1.44 [95% CI, 0.38\u20135.46], heterogeneity I\n              <jats:sup>2<\/jats:sup>\n              =70%,\n              <jats:italic>P<\/jats:italic>\n              =0.02, n=5 studies). Nonvitamin K antagonist OACs were more effective at reducing the risk of thromboembolic events (sRR, 0.65 [95% CI, 0.44\u20130.97], heterogeneity I\n              <jats:sup>2<\/jats:sup>\n              =72%,\n              <jats:italic>P<\/jats:italic>\n              =0.03, n=3 studies) and were associated with a lower risk of recurrent ICrH (sRR, 0.52 [95% CI, 0.40\u20130.67], heterogeneity I\n              <jats:sup>2<\/jats:sup>\n              =0%,\n              <jats:italic>P<\/jats:italic>\n              =0.43, n=3 studies) than warfarin.\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions:<\/jats:title>\n            <jats:p>In nontraumatic ICrH survivors with atrial fibrillation, OAC therapy is associated with a reduced risk of thromboembolic events and all-cause mortality without significantly increasing risk of recurrent ICrH. This finding is primarily based on observational data, and further larger randomized controlled trials are needed to corroborate or refute these findings.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1161\/strokeaha.122.038752","type":"journal-article","created":{"date-parts":[[2022,7,8]],"date-time":"2022-07-08T09:00:21Z","timestamp":1657270821000},"page":"3035-3046","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":23,"title":["Effectiveness and Safety of Antithrombotic Medication in Patients With Atrial Fibrillation and Intracranial Hemorrhage: Systematic Review and Meta-Analysis"],"prefix":"10.1161","volume":"53","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6889-6446","authenticated-orcid":true,"given":"Elena","family":"Ivany","sequence":"first","affiliation":[{"name":"Liverpool Centre for Cardiovascular Science (E.I., L.A.R., G.Y.H.L., R.R.L., D.A.L.)"},{"name":"Department of Cardiovascular and Metabolic Medicine, 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