Evidence for Aggressive Blood Pressure–Lowering Goals in Patients with Coronary Artery Disease
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- Roy, M., Mahmood, N. & Rosendorff, C. Curr Atheroscler Rep (2010) 12: 134. doi:10.1007/s11883-010-0094-7
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Lowering blood pressure (BP) reduces the risk of major cardiovascular mortality and morbidity. Current consensus targets for BP reduction are less than 140/90 mm Hg in uncomplicated hypertension and less than 130/80 mm Hg in those patients with diabetes, chronic kidney disease, and coronary artery disease or in those who are at high risk for developing coronary artery disease (defined as a Framingham risk score of ≥ 10%). There is solid epidemiologic evidence for lower BP targets, supported by some clinical studies with surrogate end points. On the other hand, there are meager data from clinical trials using hard end points, and there is a concern that overly aggressive BP lowering, especially of diastolic BP, may impair coronary perfusion, particularly in patients with left ventricular hypertrophy and/or coronary artery disease. This review evaluates the evidence for the benefit of lower BP targets in hypertension management.