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Kidney functions in newly diagnosed type 2 diabetic subjects: role of glycemic control
Background:
The increased urinary albumin excretion (UAE) found at the diagnosis in type 2 diabetes may at least be functional and, thus reversible, as in type 1 diabetes. Furthermore, a positive correlation has been found between the glycemic control and UAE in type 2 diabetic subjects.
Material And Methods:
The impact of glycemic control after achieving three months of continuous normo-glycemia was studied in 26 (including 16 males and 10 females) newly diagnosed type 2 diabetic patients to assess renal size/volumes, various renal functions and UAE.
Results:
A significant reduction was seen in glomerular filtration rate (GFR), UAE and fractional albumin clearance after achieving near normoglycemia (p < 0.01). A decrease in the kidney size/volume, though statistically insignificant, was also observed. Besides a decline in GFR of 4.8% was also noted after three months of stable normoglycemia. UAE normalized in six of these subjects. A statistically significant correlation was also found between the changes in mean fasting plasma glucose and the decline in UAE (r=0.56 and p < 0.01).
Conclusion:
The study emphasizes the necessity to correct the apparently reversible increase in microabuminuria that accompanies hyperglycemia prior to patients recruitment for intervention therapy.