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Diuretic Strategies in Acute Decompensated Heart Failure: A Narrative Review
1, MD, FRCPC, is a Clinical Assistant Professor with the Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta.
The Canadian Journal of Hospital Pharmacy
|January 11, 2024
Summary
Aggressive loop diuretic use in acute decompensated heart failure can speed symptom relief and reduce hospital stays. Adjunctive therapies like thiazides and acetazolamide aid decongestion when initial treatments are insufficient.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Heart failure is a prevalent condition associated with significant morbidity, mortality, and healthcare costs.
- Inadequate decongestion during hospitalization contributes to high heart failure readmission rates.
- Limited evidence exists to guide diuretic strategies for acute decompensated heart failure.
Purpose of the Study:
- To review current recommendations for diuretic strategies in hospitalized patients with acute decompensated heart failure.
- To examine the evidence and pharmacologic rationale behind contemporary diuretic approaches.
- To provide clinicians with guidance on optimizing fluid management in heart failure.
Main Methods:
- A narrative review of literature was conducted.
- Searches were performed in PubMed, OVID, and Embase databases from inception to December 2022.
- Inclusion criteria focused on randomized controlled trials and systematic reviews with at least 100 adult patients, excluding specific diuretics.
Main Results:
- Early, high-dose loop diuretic administration is linked to faster symptom resolution, shorter hospital stays, and potentially reduced mortality.
- Furosemide is the most commonly used loop diuretic, with initial doses recommended at 2-2.5 times the patient's home dose.
- Adjunctive diuretics like thiazides or acetazolamide should be considered if congestion persists after 24-48 hours of maximized loop diuretic therapy.
Conclusions:
- Effective management of heart failure with congestion involves high-dose loop diuretics.
- Thiazides and acetazolamide serve as valuable adjunctive agents when decongestion targets are not met.
- Ongoing clinical trials aim to further refine diuretic strategies for acute decompensated heart failure.
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