Cardiovascular ischemic event rates in outpatients with symptomatic atherothrombosis or risk factors in the united states: insights from the REACH Registry.
BACKGROUND: Atherothrombosis, defined as coronary artery, cerebrovascular, and peripheral arterial disease, is the leading cause of death in the United States. Limited data are available from outpatient populations to describe contemporary cardiovascular ischemic event rates and associated use of risk reduction treatments in patients with clinically manifest, or at risk for, atherothrombosis. The REduction of Atherothrombosis for Continued Health (REACH) Registry is an international, prospective, observational study of patients with either documented atherothrombotic syndromes or 3 or more risk factors designed to fill this knowledge gap. METHODS: Baseline demographics and 1-year outcomes were evaluated for US patients enrolled in the REACH Registry. Multivariate analytic models were constructed using baseline characteristics to determine independent predictors of 1-year event rates. RESULTS: In the United States, 25,686 patients were enrolled into the registry. Among symptomatic patients (n = 19,069), 19% had disease in >or=1 arterial bed. As of July 2006, 1-year outcomes were available for 93.4% (n = 23,985) of patients. The composite cardiovascular death, nonfatal myocardial infarction, and nonfatal stroke event rate was 4.3% for the overall population and highest in patients with triple bed disease (9.9%). There was a relatively high use of risk reduction medications among symptomatic patients. However, opportunity for improvement remains. Approximately 9% of symptomatic patients were not using any antithrombotic, 7% were not using any antihypertensive agents, and 17% were not taking a lipid-lowering agent, whereas >80% of patients suffered from hypertension or dyslipidemia. CONCLUSIONS: US patients with established atherothrombotic disease continue to experience high cardiovascular ischemic event rates; these rates increase in close association with polyvascular disease. Despite the use of risk reduction interventions, ideal secondary prevention of ischemic events has not been achieved.
Eagle, KA; Hirsch, AT; Califf, RM; Alberts, MJ; Steg, PG; Cannon, CP; Brennan, DM; Bhatt, DL; REACH Registry Investigators,
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