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Contrast media-associated nephrotoxicity

M R Rudnick1, J S Berns, R M Cohen

  • 1Department of Medicine, Graduate Hospital, Philadelphia, Pennsylvania 19146, USA.

Current Opinion in Nephrology and Hypertension
|March 1, 1996
PubMed
Summary
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Contrast media-associated nephrotoxicity, a cause of acute renal failure, involves vasoactive substances. Low osmolar contrast media and prophylactic strategies like hydration are key for azotemic patients.

Area of Science:

  • Nephrology
  • Radiology
  • Pharmacology

Background:

  • Contrast media-associated nephrotoxicity is a frequent cause of acute kidney injury.
  • Vasoactive substances like adenosine, endothelium-derived relaxing factor, and endothelin play a role in its pathogenesis.

Purpose of the Study:

  • To review recent developments in understanding contrast media-associated nephrotoxicity.
  • To focus on the role of vasoactive substances in the pathogenesis.
  • To discuss clinical features, prophylactic strategies, and outcomes in azotemic patients.

Main Methods:

  • Review of recent literature on contrast media-associated nephrotoxicity.
  • Focus on pathogenetic mechanisms involving vasoactive substances.
  • Analysis of clinical features and prophylactic interventions.

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Main Results:

  • Low osmolar contrast media show value in azotemic patients.
  • Saline hydration, vasoactive agents, theophylline, and prophylactic hemodialysis are discussed as strategies.
  • Potential differences in effects on diabetic versus non-diabetic azotemic patients are considered.

Conclusions:

  • Understanding vasoactive substance roles is crucial for managing contrast media-associated nephrotoxicity.
  • Low osmolar contrast media and appropriate prophylactic strategies can mitigate renal risk.
  • Further research may clarify optimal management for diverse azotemic patient populations.