Chronic kidney disease of unknown aetiology in Sri Lanka: is cadmium a likely cause?
2011

Chronic Kidney Disease in Sri Lanka: Is Cadmium a Cause?

Sample size: 886 publication 10 minutes Evidence: moderate

Author Information

Author(s): Wanigasuriya Kamani P, Peiris-John Roshini J, Wickremasinghe Rajitha

Primary Institution: University of Sri Jayewardenepura

Hypothesis

Is cadmium a likely cause of chronic kidney disease of unknown aetiology in Sri Lanka?

Conclusion

The study suggests that hypertension, diabetes, urinary tract infections, and smoking are significant risk factors for microalbuminuria, with a potential environmental link to cadmium exposure.

Supporting Evidence

  • Microalbuminuria was detected in 6.1% of females and 8.5% of males.
  • Smoking, alcohol use, hypertension, diabetes, and UTI were associated with microalbuminuria.
  • Drinking well water in fields was linked to higher rates of microalbuminuria.

Takeaway

This study looked at people in Sri Lanka to see if certain habits and environmental factors might be causing kidney problems. They found that things like high blood pressure and drinking well water could be linked to these issues.

Methodology

The study involved randomly selected adults from the North Central Province of Sri Lanka, using questionnaires and urine tests to assess microalbuminuria.

Potential Biases

Potential confounding factors may have influenced the results, particularly regarding pesticide exposure.

Limitations

The study's cross-sectional design limits the ability to draw causal conclusions.

Participant Demographics

The sample included 425 females and 461 males, primarily farmers from low socio-economic backgrounds.

Statistical Information

P-Value

p < 0.001

Confidence Interval

95% CI for odds ratios provided in the results

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1471-2369-12-32

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