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Vancomycin nephrotoxicity: a review

Kari A Mergenhagen1, Angela R Borton2

  • 1Department of Pharmacy, Veterans Affairs Western New York Healthcare System, Buffalo, NY, USA kari.mergenhagen@va.gov.

Journal of Pharmacy Practice
|October 1, 2014
PubMed

Insights

Vancomycin can harm the kidneys (nephrotoxicity), but the exact cause is unknown. Risk factors include high doses, long treatment, and other kidney-damaging drugs.

Area of Science:

  • Pharmacology
  • Nephrology
  • Clinical Medicine

Background:

  • Vancomycin was historically linked to nephrotoxicity due to impurities, which are less of a concern now.
  • Current evidence suggests vancomycin itself can cause kidney damage, though the mechanism remains unclear.
  • Understanding vancomycin-induced nephrotoxicity is crucial due to its increasing clinical use.

Purpose of the Study:

  • To review the current understanding of vancomycin-associated nephrotoxicity.
  • To identify and discuss established risk factors for vancomycin-induced kidney injury.
  • To outline methods for evaluating and defining renal dysfunction in patients receiving vancomycin.

Main Methods:

  • Literature review of studies on vancomycin nephrotoxicity.
  • Analysis of identified risk factors and their clinical significance.
  • Discussion of diagnostic approaches for renal dysfunction.

Main Results:

  • Key risk factors for vancomycin nephrotoxicity include high daily dose (> 4 grams), high trough levels (> 20 mg/L), and treatment duration exceeding 6 days.
  • Concurrent use of other nephrotoxic agents, pre-existing renal disease, obesity, hypotension, and illness severity are also associated with increased risk.
  • While often reversible upon drug discontinuation, vancomycin therapy can lead to permanent kidney damage.

Conclusions:

  • Vancomycin nephrotoxicity is a significant clinical concern, influenced by multiple patient-specific and treatment-related factors.
  • Proactive risk assessment and therapeutic drug monitoring are essential for minimizing vancomycin-induced kidney injury.
  • Further research into the precise mechanisms of vancomycin nephrotoxicity is warranted to develop targeted preventative strategies.
Keywords:
nephrotoxicitytherapeutic drug monitoringvancomycin

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