Abstract
Case presentation: A 59-year-old man with a history of hypertension, dyslipidemia, and smoking was hospitalized with acute coronary syndrome requiring emergency percutaneous coronary intervention with 4 drug-eluting stents. His discharge medications included dual antiplatelet therapy with aspirin 325 mg/d and clopidogrel 75 mg/d. Three weeks after discharge, he returned to the Emergency Department with bloody stools and a hematocrit of 23% (previously 36%) and required 3 U of packed red blood cells. Endoscopy showed a bleeding duodenal ulcer with adherent clot (Figure). Endoscopic image of bleeding duodenal ulcer with clot on top. This image was taken in a patient with a history similar to that of our patient. Arrow points to the base of duodenal ulcer with active bleeding. Picture contributed by Sarathchandra Reddy, MD, and Edwin Chun Ouyang, MD, PhD, Division of Gastroenterology, Brigham and Women’s Hospital, Boston, Mass. We prescribe dual antiplatelet therapy with aspirin and clopidogrel to prevent and treat cardiovascular, cerebrovascular, and peripheral arterial disease. According to American Heart Association statistics, 700 000 patients had stroke, 13 million had coronary artery disease, and 8 to 12 million suffered from peripheral arterial disease in 2002. Each year, 1.2 million patients in the United States receive dual antiplatelet therapy with aspirin and clopidogrel after percutaneous coronary intervention with drug-eluting stents. The number of patients in the United States who receive dual antiplatelet therapy for various vascular conditions such as coronary artery disease, transient ischemic attack, thrombotic stroke, and peripheral vascular disease probably exceeds several million. The use of aspirin compared with placebo reduces the risk of myocardial infarction, stroke, or death from vascular causes by ≈25%.1 In the Clopidogrel Versus Aspirin in Patients at Risk of Ischemic Events (CAPRIE) trial, administration of clopidogrel decreased the relative risk of vascular events by 8.7% compared with aspirin.2 The …
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