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Year : 2011  |  Volume : 15  |  Issue : 4  |  Page : 316-319

Correlation between microalbuminuria and urinary copper in type two diabetic patients

1 Department of Endocrinology, Arak University of Medical Sciences, Arak, Iran
2 Department of Internal Medicine, Arak University of Medical Sciences, Arak, Iran
3 Department of Biochemistry, Arak University of Medical Sciences, Arak, Iran
4 Department of Isfahan Endocrine Research Center, Arak University of Medical Sciences, Arak, Iran

Correspondence Address:
Afsaneh Talaei
Arak University of Medical Sciences, Arak
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2230-8210.85586

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Introduction: Diabetes mellitus and its chronic complications may be associated with alterations in the plasma, tissue, and urinary levels of some trace elements like copper. Materials and Methods: This cross-sectional study evaluates the 24 hour urinary copper levels in type 2 diabetic patients with microalbuminuria in comparison with patients without albuminuria. Results: Forty-two patients with microalbuminuria (case) and 40 patients without microalbuminuria (control) participated in the study. Mean (CI 95%) urinary copper levels were 36.14 (14.54-57.74) and 14.77μcg /L (10.17-19.37) in the case and control groups respectively (P = 0.003). There was no significant effect of diabetes duration or HbA1c on urinary copper. Conclusion: The present study shows diabetic patients with microalbuminuria have increased urinary copper excretion, however does not exclude the potential toxic effects of this high copper excretion on the progression of diabetic nephropathy.

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