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[New usage for an old drug: acetylcysteine for contrast-induced nephropathy]

Ilan Asher1, Ariel Hammerman, Zev Sthoeger

  • 1Internal Medicine B Department, Kaplan Medical Center, Rehovot, Israel. ilan@kv-yavne.co.il

Harefuah
|October 13, 2005
PubMed

Insights

N-acetylcysteine may help prevent contrast-induced nephropathy, a common cause of hospital-acquired kidney injury. This antioxidant is recommended for high-risk patients due to its safety and low cost.

Area of Science:

  • Nephrology
  • Radiology
  • Pharmacology

Background:

  • Contrast-induced nephropathy (CIN) is a significant cause of hospital-acquired renal failure.
  • Pathophysiology involves direct renal toxicity and medullary ischemia, with hydration being partially effective.
  • Existing preventive measures for CIN have limitations.

Purpose of the Study:

  • To evaluate the efficacy of N-acetylcysteine in preventing contrast-induced nephropathy.
  • To assess the role of N-acetylcysteine in patients with moderate renal insufficiency undergoing contrast procedures.

Main Methods:

  • Review of several prospective, randomized, placebo-controlled studies.
  • Analysis of N-acetylcysteine's safety profile and cost-effectiveness.
  • Focus on patient populations with moderate renal insufficiency.

Main Results:

  • N-acetylcysteine appears to reduce the risk of contrast-induced nephropathy.
  • Some discrepancies in results exist across studies.
  • N-acetylcysteine demonstrates a favorable safety profile and low cost.

Conclusions:

  • N-acetylcysteine is recommended for preventing contrast-induced nephropathy in high-risk patients.
  • Further research may clarify optimal usage and efficacy.
  • The antioxidant offers a potentially valuable addition to CIN prevention strategies.

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