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Contrast-induced nephropathy: a review

Mohammad Sanaei-Ardekani1, Mohammad-Reza Movahed, Shahrzad Movafagh

  • 1Department of Internal Medicine, Washington Hospital Center, Georgetown University, Washington, DC 20010, USA. ssanaei@hotmail.com

Cardiovascular Revascularization Medicine : Including Molecular Interventions
|November 3, 2005
PubMed

Insights

Preventing contrast-induced nephropathy (CIN) reduces patient harm. Bicarbonate infusion shows promise over hydration, while other methods have been disappointing.

Area of Science:

  • Nephrology
  • Cardiology
  • Radiology

Background:

  • Contrast-induced nephropathy (CIN) is a significant cause of hospital-acquired renal failure.
  • Reducing CIN incidence can decrease morbidity, mortality, and hospital stays.

Purpose of the Study:

  • To review available data on the prevention of contrast-induced nephropathy.
  • To evaluate the efficacy of various prophylactic measures against CIN.

Main Methods:

  • Review of existing clinical trials and literature on CIN prevention.
  • Analysis of data regarding hydration, pharmacological agents, and emerging mechanical devices.

Main Results:

  • Prophylactic hydration shows some promise, but other agents like diuretics and dopamine have been largely ineffective.
  • N-acetylcysteine's preventive effect on CIN is inconsistent.
  • Recent trials suggest bicarbonate infusion is more effective than hydration for CIN prevention.
  • Mechanical devices for renal protection during contrast procedures are under development.

Conclusions:

  • Bicarbonate infusion represents a potentially more effective strategy for CIN prevention compared to traditional hydration.
  • Further research and development are needed for mechanical devices and consistent pharmacological interventions to mitigate CIN risk.

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