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Related Experiment Videos

Contrast-induced nephrotoxicity: clinical landscape.

R W Katzberg1, C Haller

  • 1Department of Radiology-Research, University of California Davis Medical Center, Sacramento, California 95817, USA. richard.katzberg@ucdmc.ucdavis.edu

Kidney International. Supplement
|April 14, 2006
PubMed
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Iodinated contrast media (CM) are widely used in medical imaging, with increasing use of CT scans and cardiac catheterizations. Risk factors for contrast-induced nephropathy (CIN), like kidney insufficiency and diabetes, are also rising, leading to more patient exposure.

Area of Science:

  • Radiology and Medical Imaging
  • Nephrology
  • Pharmacology

Background:

  • Iodinated intravascular contrast media (CM) are high-volume medical drugs, with over 80 million doses administered in 2003.
  • CM evolution focuses on reducing adverse events through improved properties like hydrophilicity and lower osmolality.
  • Contrast media are categorized by osmolality relative to blood: high, low, and iso-osmolar.

Purpose of the Study:

  • To highlight the increasing use of contrast media in medical imaging, particularly CT scans and cardiac catheterizations.
  • To identify key risk factors for contrast-induced nephropathy (CIN).
  • To project future trends in patient exposure to CM and CIN risk factors.

Main Methods:

  • Review of CM administration volumes and trends in imaging procedures (CT, cardiac catheterization).

Related Experiment Videos

  • Identification of established risk factors for CIN, including renal insufficiency and diabetes.
  • Analysis of epidemiological data on kidney failure and diabetes prevalence.

    • Main Results:

    • Significant increases in CT scanning (800%) and cardiac catheterization procedures (390% in the US, 112% in Europe) over two decades.
    • Renal insufficiency and diabetes are major co-existing risk factors for CIN.
    • Projected 90% increase in kidney failure by 2010 and a 75% rise in diabetes worldwide by 2025.

    Conclusions:

    • Patient exposure to iodinated contrast media is substantial and growing.
    • The prevalence of major risk factors for contrast-induced nephropathy (CIN) is increasing.
    • Future trends indicate a continued rise in patient exposure and CIN risk.