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Fluid overload contributing to heart failure.

Avraham Shotan1, Samir Dacca, Michael Shochat

  • 1Heart Institute, Hillel Yaffe Medical Center, Hadera, 38100, Israel. shotana@yahoo.com

Nephrology, Dialysis, Transplantation : Official Publication of the European Dialysis and Transplant Association - European Renal Association
|July 19, 2005
PubMed
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Advanced heart failure causes fluid overload through harmful compensatory mechanisms. Current treatments like diuretics are often insufficient, necessitating further research into effective fluid management strategies.

Area of Science:

  • Cardiology
  • Nephrology
  • Pharmacology

Background:

  • Compensatory mechanisms in advanced heart failure exacerbate fluid retention and lead to maladaptive consequences.
  • Understanding the pathophysiology of fluid overload is critical in managing advanced heart failure.

Purpose of the Study:

  • To review the mechanisms of fluid overload in heart failure.
  • To discuss current and potential therapeutic strategies for managing fluid overload.

Main Methods:

  • A Medline survey was conducted focusing on fluid overload and heart failure.
  • Relevant textbook chapters were reviewed to supplement the survey findings.

Main Results:

  • Increased sympathetic nervous system, renin-angiotensin-aldosterone system, and antidiuretic hormone contribute to a cycle of worsening preload, contractility, afterload, and fluid overload.

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  • Diuretics are the primary therapy, but refractory cases may benefit from interventions like albumin, hypertonic saline, vasopressin receptor antagonists, aldosterone antagonists, or nesiritide.

    • Conclusions:

    • Further investigation is needed for precise plasma volume measurement in heart failure.
    • Establishing the efficacy and safety of various therapies is crucial.
    • Developing novel therapeutic options for fluid overload in heart failure requires continued research.