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August 18, 2015Critical CareOpen Access

Loop diuretics in acute heart failure: beyond the decongestive relief for the kidney

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Key result

Loop diuretics provide rapid decongestive relief in acute heart failure, but high doses and continuous infusions are associated with adverse events like acute kidney injury without clear long-term benefits.

Population

Patients with acute heart failure (AHF)

Design

Review

Authors

APAlberto PalazzuoliGRGaetano RuoccoCRClaudio Ronco

Discussion

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Overview

May warrant cautious loop diuretic titration in acute HF to limit AKI; leaves open optimal long-term strategies.

Key Points

  • To review the clinical trade-offs, adverse systemic events, and renal consequences linked to loop diuretic therapy in acute decompensated heart failure.
  • Synthesis of clinical evidence evaluating intravenous loop diuretic administration in acute decompensated heart failure.
  • Analysis of findings from two randomized trials assessing continuous diuretic infusions alongside risks of electrolyte disturbances and renal deterioration.
  • Intravenous loop diuretic use consistently associates with systemic adverse events, including hypokalemia, azotemia, hypotension, and increased mortality.
  • Two randomized clinical trials demonstrate that continuous loop diuretic infusions provide no additional decongestive benefit over standard regimens while increasing rates of hyponatremia, hospital length of stay, and readmissions.

Structured PICO

P
Population
Patients with acute heart failure (AHF)
I
Intervention
Loop diuretics

This review emphasizes the need for personalized loop diuretic therapy in acute heart failure to balance effective decongestion with the risk of acute kidney injury and other adverse events.

Limitations

  • The exact hemodynamic mechanism of congestion and its relation to transient versus persistent acute kidney injury remains poorly understood.
  • Lack of clear guidelines on optimal diuretic dosing, administration modality, and time course to balance decongestion with renal preservation.

Cite This Study

Palazzuoli et al. (2015) conducted a review in Acute heart failure. Loop diuretics was evaluated. Loop diuretics provide rapid decongestive relief in acute heart failure, but high doses and continuous infusions are associated with adverse events like acute kidney injury without clear long-term benefits.

synapsesocial.com/papers/6a7c5f5560affc0860102f9bhttps://doi.org/10.1186/s13054-015-1017-3
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Loop Diuretics Strategies in Acute Heart Failure: From Clinical Trials to Practical Application2015 · 3 citations
  2. 2Loop Diuretics in Acute Decompensated Heart Failure2009 · 297 citations
  3. 3Loop Diuretic Therapy in Heart Failure: The Need for Solid Evidence on a Fluid Issue2010 · 49 citations
  4. 4Loop diuretics and ultrafiltration in heart failure2013 · 11 citations
  5. 5The Changing Role of Loop Diuretics in Heart Failure Management across the Last Century2024 · 7 citations