Anticoagulant Drugs: Low-Molecular-Weight Heparins
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Updated: Jun 26, 2025

Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model
Published on: June 18, 2021
Stuart J Connolly1, Mukul Sharma1, Alexander T Cohen1
1From the Population Health Research Institute, McMaster University, Hamilton, ON (S.J.C., M.S., M.C., A.T., T.K., L.X., K.T., A.S.), and the Departments of Clinical Neurosciences and Radiology, Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB (A.M.D.) - both in Canada; Guy's and St. Thomas' Hospital, King's College London (A.T.C.), and Imperial College (R.V.), London, NIHR Biomedical Research Centre and College of Life Sciences, University of Leicester, Leicester (T.G.R.), and Alexion Pharmaceuticals UK, Uxbridge (A.L.) - all in the United Kingdom; the Second Department of Neurology, Institute of Psychiatry and Neurology, Warsaw, Poland (A.C.); the Department of Clinical Sciences Lund, Neurology, Lund University, and the Department of Neurology, Skåne University Hospital, Lund (A.G.L.), and AstraZeneca Biopharmaceuticals Research and Development, Late-stage Development, Cardiovascular, Renal, and Metabolism, Gothenburg (A.H., P.L., M.K., E.E.) - all in Sweden; Vall d'Hebron University Hospital, Barcelona (C.A.M.); Semmelweis University, Budapest, Hungary (D.B.); Sapienza University of Rome, Rome (D. Toni); the Department of Neurology, Inselspital University Hospital and University of Bern, Bern, Switzerland (D.J.S.); Rambam Health Care Campus, Technion, Israel Institute of Technology, Haifa (D. Tanne); the Department of Neurology, Oslo University Hospital, and the Norwegian Air Ambulance Foundation - both in Oslo (E.C.S.); the Second Department of Neurology, National and Kapodistrian University of Athens, "Attikon" University Hospital, Athens (G.T.); Copenhagen University Hospital, Bispebjerg Hospital, Copenhagen (H.C.); the Department of Medicine 1, Division "Thrombosis and Hemostasis," University Hospital Dresden, Dresden (J.B.-W.), Alfried Krupp Krankenhaus, Essen (R.V.), the Department of Neurology and Stroke (S.P.) and the Hertie Institute for Clinical Brain Research (S.P.), Eberhard-Karls University, Tübingen, the Department of Neurology, Universitätsklinikum Erlangen, Erlangen (B.K.), and the Department of Neurology, Heidelberg University Hospital, Heidelberg (C.G.) - all in Germany; the Department of Neurology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam (J.M.C.), and Radboud University Medical Center, Nijmegen (S.M.) - both in the Netherlands; University Hospitals Leuven, University of Leuven (P.V.), the Department of Neurosciences and Experimental Neurology, KU Leuven (R.L.), and the Department of Neurology, University Hospitals Leuven (R.L.) - all in Leuven, Belgium; Bichat Claude-Bernard Hospital, Paris (P.A.); Turku University Hospital, Turku, Finland (R.O.R.); Tomas Bata Regional Hospital, Zlín, Czech Republic (R.M.); Dell Medical School, University of Texas, Austin, and the University of Houston, Houston (T.J.M.); University of Porto, Porto, Portugal (V.T.-C.); and Hospital of St. John of God, Sigmund Freud University, Medical Faculty, Vienna (W.L.).
Andexanet alfa improved control of hematoma expansion in patients with intracerebral hemorrhage taking factor Xa inhibitors. However, this reversal agent was linked to an increased risk of thrombotic events, including ischemic stroke.
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