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Diuretic resistance in heart failure.

Srinivas Iyengar1, William T Abraham

  • 1The Ohio State University, 473 West 12th Avenue, Rm. 110P DHLRI, Columbus, OH 43210-1252, USA. Srinivas.Iyengar@osumc.edu

Current Heart Failure Reports
|May 11, 2006
PubMed
Summary

Diuretics treat heart failure (HF) symptoms but long-term use can cause resistance, worsening outcomes. Strategies to overcome diuretic resistance focus on symptom relief while preserving kidney function.

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Area of Science:

  • Cardiology
  • Nephrology
  • Pharmacology

Background:

  • Diuretics are fundamental in heart failure (HF) management, effectively relieving congestion.
  • However, prolonged diuretic therapy can induce diuretic resistance.
  • This resistance is linked to increased morbidity and mortality in heart failure patients.

Purpose of the Study:

  • To review the mechanisms of diuretic resistance in heart failure.
  • To discuss factors contributing to diuretic resistance.
  • To outline strategies for managing diuretic resistance in heart failure.

Main Methods:

  • Literature review of studies on diuretic use and resistance in heart failure.
  • Analysis of factors influencing diuretic efficacy and resistance.
  • Synthesis of current approaches to overcome diuretic resistance.

Main Results:

  • Diuretic resistance can stem from dietary noncompliance, incorrect dosing, or drug interactions.
  • Iatrogenic cardiorenal syndrome can develop, impairing renal function and exacerbating resistance.
  • Effective management requires addressing congestive symptoms while protecting renal function.

Conclusions:

  • Diuretic resistance is a significant clinical challenge in heart failure treatment.
  • Overcoming resistance necessitates a multifaceted approach considering patient adherence, medication management, and renal status.
  • Preserving renal function is crucial when intensifying diuretic therapy for heart failure.

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