Diuretic dosing in acute decompensated heart failure: lessons from DOSE

Patrick T Campbell, Jason Ryan
Current Heart Failure Reports 2012, 9 (3): 260-5
The mainstay of treatment for acute decompensated heart failure (ADHF) is intravenous (IV) diuretic therapy either as a bolus or via continuous infusion. Despite being available for decades, few randomized trials exist to guide dosing and administration of these drugs. In 2011, the Diuretic Optimization Strategies Evaluation (DOSE) trial used a prospective, randomized design to compare bolus versus continuous infusion of IV furosemide, as well as high-dose versus low-dose therapy. The study found no difference in the primary end point for continuous versus bolus infusion. High-dose diuretics were more effective than low dose without clinically important negative effects on renal function. Although limited by patient selection criteria and protocol design, the study challenges long-held beliefs that continuous infusion is more effective than bolus dosing. The study also challenges the notion that high-dose diuretics carry clinically important renal toxicity risks for patients.

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