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Related Concept Videos

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Related Experiment Video

Updated: Jun 12, 2026

Use of a Hanging-weight System for Isolated Renal Artery Occlusion
07:54

Use of a Hanging-weight System for Isolated Renal Artery Occlusion

Published on: July 19, 2011

Fluid administration and the kidney.

John R Prowle1, Rinaldo Bellomo

  • 1Department of Intensive Care, Austin Health, Heidelberg, Victoria, Australia.

Current Opinion in Critical Care
|June 15, 2010
PubMed
Summary
This summary is machine-generated.

While adequate fluid resuscitation is crucial for critical illness, excessive fluids and positive balances do not improve kidney outcomes and may worsen acute kidney injury (AKI). Restrictive fluid strategies are recommended.

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Last Updated: Jun 12, 2026

Use of a Hanging-weight System for Isolated Renal Artery Occlusion
07:54

Use of a Hanging-weight System for Isolated Renal Artery Occlusion

Published on: July 19, 2011

Physiology Lab Demonstration: Glomerular Filtration Rate in a Rat
06:58

Physiology Lab Demonstration: Glomerular Filtration Rate in a Rat

Published on: July 26, 2015

Direct Drug Delivery to Kidney via the Renal Artery
11:18

Direct Drug Delivery to Kidney via the Renal Artery

Published on: April 17, 2021

Area of Science:

  • Critical Care Medicine
  • Nephrology
  • Fluid Physiology

Background:

  • Intravenous fluids are standard in ICUs for acute kidney injury (AKI) prevention.
  • Conventional justifications for fluid administration require critical examination.

Purpose of the Study:

  • To review recent studies on fluid administration and renal function in critical illness.
  • To critically evaluate the evidence supporting fluid administration for AKI.

Main Methods:

  • Review of recent literature on fluid administration and renal function.
  • Analysis of experimental and clinical evidence.

Main Results:

  • Early resuscitation in shock may benefit organ function.
  • Fluid administration's effect on renal oxygen delivery is weak and transient.
  • Evidence links fluid overload to adverse outcomes; restrictive fluid strategies appear safe for AKI.
  • Certain fluids may impair renal function independently of volume.

Conclusions:

  • Adequate initial resuscitation is vital for critical illness.
  • Continued fluid administration and positive balances do not improve renal outcomes and may worsen AKI prognosis.
  • Clinicians should consider restrictive fluid approaches despite concerns for renal dysfunction.