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Published on: July 3, 2013
Acetaminophen, aspirin, and chronic renal failure
C M Fored1, E Ejerblad, P Lindblad
1Department of Medical Epidemiology, Karolinska Institute, Stockholm, Sweden. michael.fored@mep.ki.se
Regular use of aspirin or acetaminophen significantly increases the risk of chronic renal failure. This association was observed across various renal conditions, highlighting potential kidney damage from common pain relievers.
Area of Science:
- Nephrology
- Epidemiology
- Pharmacology
Background:
- Epidemiologic studies suggest a link between heavy nonnarcotic analgesic use and chronic renal failure.
- The causal relationship between analgesic consumption and kidney disease remains unclear.
Purpose of the Study:
- To investigate the association between analgesic use and the risk of developing chronic renal failure.
- To estimate relative risks for disease-specific chronic renal failure linked to various analgesics.
Main Methods:
- A nationwide, population-based, case-control study in Sweden.
- Face-to-face interviews with 926 newly diagnosed chronic renal failure patients and 998 controls.
- Logistic-regression models to assess analgesic use and renal failure risk.
Main Results:
- Regular aspirin and acetaminophen use was more frequent in renal failure patients (37% and 25%) than controls (19% and 12%).
- Regular use of either drug independently increased chronic renal failure risk by 2.5 times.
- Increased risks were dose-dependent and more pronounced with acetaminophen, affecting most renal disease types.
Conclusions:
- Findings support the hypothesis that acetaminophen and aspirin can exacerbate chronic renal failure.
- Potential bias from predisposing conditions triggering analgesic use cannot be excluded.
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