Abstract
Summary
The incidence of heart failure is increasing, particularly in older patients. Clinical trials often do not reflect community practice where patients are older and have more co-morbid conditions. Therapeutic agents need to be at least neutral in their effects on these other conditions. Current therapy in heart failure includes angiotensin-converting enzyme (ACE) inhibitors, beta-blockers and diuretics, with advanced heart failure patients receiving spironolactone and possibly digitalis. Ongoing clinical trials are testing more effective inhibition of the renin-angiotensin-aldosterone system (RAAS) with highly selective angiotensin II (Ang II) receptor blockers (ARBs) such as valsartan. Future trials should study diverse racial groups and the elderly, particularly those with preserved systolic function. These should ideally be large multicentre studies with internal substudies to examine mechanisms of heart failure.
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