Hyperoxia and Acute Kidney Injury: A Tale of Oxygen and the Kidney

Abigayle C Kraus1, Carmen De Miguel1

  • 1Section of Cardio-Renal Physiology and Medicine, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL.

Seminars in Nephrology
|November 20, 2022
PubMed

Insights

Excessive oxygen therapy may harm the kidney, causing acute kidney injury. Further research is needed to understand hyperoxia

Area of Science:

  • Nephrology
  • Pulmonology
  • Critical Care Medicine

Background:

  • Oxygen supplementation is vital in clinical settings.
  • Excessive oxygen therapy (hyperoxia) is linked to lung and eye damage.
  • The impact of hyperoxia on kidney function and acute kidney injury remains unclear.

Purpose of the Study:

  • To review current understanding of hyperoxia-induced organ damage.
  • To explore potential molecular mechanisms of kidney injury from hyperoxia.
  • To identify research gaps in hyperoxia and kidney health.

Main Methods:

  • Literature review of existing studies on hyperoxia and organ damage.
  • Analysis of proposed molecular pathways.
  • Identification of areas for future research.

Main Results:

  • Hyperoxia's direct effect on kidney injury is not well understood.
  • Molecular mechanisms linking hyperoxia to kidney damage require further investigation.
  • A significant need exists for animal and clinical studies on hyperoxia and kidney damage.

Conclusions:

  • Hyperoxia may contribute to acute kidney injury.
  • Further research is crucial to elucidate mechanisms of kidney damage.
  • Optimizing oxygen therapy guidelines requires understanding its renal effects.

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