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Chinese herb nephropathy.

M M Meyer1, T P Chen, W M Bennett

  • 1Division of Nephrology, Hypertension, and Clinical Pharmacology, Oregon Health Sciences University, Portland, USA.

Proceedings (Baylor University. Medical Center)
|January 4, 2006
PubMed
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Chinese herb nephropathy (CHN) is a newly defined condition linked to aristolochic acid. This case highlights the risks of unregulated herbal medicine, emphasizing the need for caution.

Area of Science:

  • Nephrology
  • Toxicology
  • Integrative Medicine

Background:

  • A 44-year-old woman experienced rapid progression of kidney disease, leading to end-stage renal disease within 8 months.
  • Extensive interstitial fibrosis and lymphocytic infiltration were observed in renal biopsy.
  • The patient had used Chinese herbal medicine for pain relief prior to the onset of renal symptoms.

Purpose of the Study:

  • To report the first case of Chinese herb nephropathy (CHN) in the USA.
  • To discuss the history and implications of CHN.
  • To provide recommendations for the safe use of herbal medicines.

Main Methods:

  • Case presentation of a patient with end-stage renal disease.
  • Renal biopsy analysis.

Related Experiment Videos

  • Toxicological analysis of ingested herbal remedies.

    • Main Results:

    • Analysis confirmed the presence of aristolochic acid in 2 of 6 ingested Chinese herbs.
    • The patient's renal failure was attributed to aristolochic acid exposure, consistent with CHN.
    • The patient underwent a successful cadaveric renal transplant.

    Conclusions:

    • Aristolochic acid in Chinese herbal medicine can cause severe kidney damage, a condition known as CHN.
    • This case underscores the potential dangers of unregulated herbal products.
    • Recommendations are made to prevent future cases of CHN through informed use and regulation of herbal medicines.