title: Contra: 'Warfarin should be the drug of choice for thromboprophylaxis in elderly patients with atrial fibrillation'. Caveats regarding use of oral anticoagulant therapy among elderly patients with atrial fibrillation.
authors.affiliation: Research Unit-Section of General Internal Medicine and Clinical Epidemiology Unit, Boston University School of Medicine, 801 Massachusetts Avenue, 2nd floor, Boston, MA 02118, USA. ehylek@bu.edu
authors.forename: Elaine M
authors.initials: EM
authors.lastname: Hylek
mesh_terms: D000284:Administration, Oral; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D000925:Anticoagulants / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D001281:Atrial Fibrillation / Q000150:complications / Q000188:drug therapy*; D006470:Hemorrhage / Q000139:chemically induced; D006801:Humans; D018579:Patient Selection; D018570:Risk Assessment; D020521:Stroke / Q000209:etiology / Q000517:prevention & control*; D013923:Thromboembolism / Q000209:etiology / Q000517:prevention & control*; D016896:Treatment Outcome; D014859:Warfarin / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D000925:Anticoagulants; D014859:Warfarin