Anticoagulation and heart failure.
There are no clear data regarding whether to use warfarin, aspirin, or no therapy in patients with left ventricular systolic dysfunction. Aspirin use is widespread in patients with vascular disease but it can decrease renal blood flow in low output states. Warfarin may be used in patients with advancing heart failure due to the perceived risk of in situ thromboembolism. However, we know that ejection fraction and symptom class do not always match and that the regulation of warfarin dosing is more difficult in worsening heart failure. Drug use must be individualized, based on knowledge of underlying heart failure etiology, functional class, drug side effects, and renal function. We await ongoing studies to elucidate the differential effects of these drugs on global outcome as well as on the mechanisms by which they achieve their results.
Graham
S P
SP
Buffalo General Hospital, Department of Medicine, Division of Cardiology, 100 High Street, Buffalo, NY 14203, USA. Dbrennan@KaleidaHealth.org
D000806:Angiotensin-Converting Enzyme Inhibitors / Q000627:therapeutic use; D000925:Anticoagulants / Q000494:pharmacology / Q000627:therapeutic use*; D001241:Aspirin / Q000494:pharmacology / Q000627:therapeutic use; D006333:Heart Failure / Q000150:complications* / Q000188:drug therapy; D006801:Humans; D010975:Platelet Aggregation Inhibitors / Q000627:therapeutic use*; D013923:Thromboembolism / Q000209:etiology* / Q000517:prevention & control*; D018487:Ventricular Dysfunction, Left / Q000188:drug therapy*; D014859:Warfarin / Q000627:therapeutic use
D000806:Angiotensin-Converting Enzyme Inhibitors; D000925:Anticoagulants; D010975:Platelet Aggregation Inhibitors; D014859:Warfarin; D001241:Aspirin