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Pathogenic factors in aminoglycoside-induced nephrotoxicity
1Department of Pharmacology, Faculty of Health Sciences, University of Ottawa, Ontario, Canada.
Toxicology Letters
|May 1, 1990
Summary
Aminoglycoside antibiotics can cause kidney damage (nephrotoxicity) in about 10% of patients. This review explores factors influencing this toxicity, including drug levels, interactions, and infections.
Area of Science:
- Pharmacology
- Nephrology
- Toxicology
Background:
- Aminoglycoside antibiotics are crucial in treating bacterial infections.
- Nephrotoxicity is a significant adverse effect, occurring in approximately 10% of patients.
- Understanding the pathogenesis of aminoglycoside-induced nephrotoxicity is vital for patient safety.
Purpose of the Study:
- To review current theories on the pathogenesis of aminoglycoside-induced nephrotoxicity.
- To examine the role of renal aminoglycoside levels and influencing factors.
- To discuss the impact of drug interactions and infections on nephrotoxicity.
Main Methods:
- Literature review of recent investigations into aminoglycoside nephrotoxicity.
- Detailed examination of theories regarding drug levels in renal cortex and binding sites.
- Analysis of factors such as age, diet, co-administered drugs, and infection.
Main Results:
- Renal aminoglycoside levels are critical in determining nephrotoxicity.
- Factors like age, diet, and interactions with vancomycin, cephalosporins, and cytotoxic drugs can modify toxicity.
- Infections, including pyelonephritis and septicemia, and bacterial endotoxins exacerbate aminoglycoside nephrotoxicity.
Conclusions:
- Aminoglycoside-induced nephrotoxicity is multifactorial.
- Drug levels, interactions, and infections significantly influence renal damage.
- Further research is needed to mitigate these risks in clinical practice.