25-hydroxyvitamin D concentration is inversely associated with serum MMP-9 in a cross-sectional study of African American ESRD patients
2011

Vitamin D and Inflammation in African American ESRD Patients

Sample size: 91 publication Evidence: moderate

Author Information

Author(s): Wasse Haimanot, Cardarelli Francesca, De Staercke Christine, Hooper Craig, Veledar Emir, Guessous Idris

Primary Institution: Emory University

Hypothesis

Is there an association between 25-hydroxyvitamin D concentration and markers of vascular remodeling and inflammation in African American ESRD patients?

Conclusion

There is a significant inverse relationship between plasma MMP-9 and circulating 25(OH) D concentrations among ESRD patients.

Supporting Evidence

  • Low 25(OH)D was associated with lower serum calcium and higher LDL concentrations.
  • 43% of patients had low 25(OH)D concentrations (<15 ng/ml).
  • 25(OH)D concentration was inversely correlated with MMP-9 concentration.

Takeaway

This study found that lower levels of vitamin D are linked to higher levels of a protein that can indicate inflammation in patients with kidney disease.

Methodology

A cross-sectional study was conducted among ESRD patients receiving maintenance hemodialysis, collecting demographic, clinical, and treatment data, and blood samples for analysis.

Potential Biases

Potential residual confounding due to the cross-sectional design.

Limitations

The study's small sample size and cross-sectional design limit causal inference and may affect the results.

Participant Demographics

The majority of participants were African American ESRD patients receiving hemodialysis.

Statistical Information

P-Value

0.03

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2369-12-24

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