Key result
High loop diuretic doses show no independent link to 1-year cardiovascular death or rehospitalization.
Why the study?
Loop diuretics are essential for congestion in acute heart failure, but concerns exist regarding their dosing and administration.
Does high loop diuretic dosage increase the composite of cardiovascular rehospitalization or death in patients with acute heart failure?
Population
370 randomly selected AHF patients admitted at Maastricht University Medical Center
Comparison
Four quartiles of diuretic doses administered during index hospitalization
Design
Retrospective analysis
Follow-up
1 year
Authors
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High loop diuretic doses were not independently associated with worse outcomes in acute HF after adjustment; leaves open confounding by severity and need for randomized trials.
Cohort (n=370)
No
Does high loop diuretic dosage increase the composite of cardiovascular rehospitalization or death in patients with acute heart failure?
Effect estimate: HR 1.62 (95% CI 1.05-2.27)
p-value: p=0.005
High loop diuretic doses in acute heart failure are associated with worse outcomes due to underlying disease severity rather than direct harm, and do not negatively affect kidney function.
Meani et al. (2023) conducted a cohort in Acute heart failure (n=370). High-dose loop diuretics vs. Lower-dose loop diuretics (≤175 mg/day furosemide equivalents) was evaluated on Composite of cardiovascular mortality or cardiovascular rehospitalization at 1 year (HR 1.62, 95% CI 1.05-2.27, p=0.005). High loop diuretic doses increased the unadjusted risk of cardiovascular death or rehospitalization at 1 year (HR 1.62), but this association disappeared after adjusting for confounders.
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