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| The value of color Doppler ultrasound for the diagnosis of early diabetic nephropathy |
| CHEN Ming |
| Department of Ultrasonography, Shanghai Pudong Gongli Hospital, Shanghai 200135, China |
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Abstract Objective: To evaluate the value of color Doppler ultrasound in the diagnosis of early diabetic nephropathy. Methods: Seventy-two cases with type 2 diabetes were classified into three groups according to urinary albumin excretion rate (UAER): group Ⅰ(UAER<20 μg/min), group Ⅱ(UAER 20～<200 μg/min), group Ⅲ(UAER≥200 μg/min). Twenty normal persons were selected as controls(group Ⅳ). In each group, renal size and blood flow parameters of renal arteries were measured and analyzed by color Doppler ultrasound. Results: The more severe the renal dysfunction, the more obvious the decrease of blood flow. Vs and Vd of renal arterial flow decreased and RI increased with renal dysfunction. RI and Vd correlated well with the renal dysfunction from diabetic mellitus. The renal volume in group Ⅲ reduced and had significant difference with other groups. There was no significant difference among other groups. Conclusion: Color Doppler ultrasound is valuable in early diagnosis and evaluation of diabetic naphropathy by measuring renal size, blood flow distribution and renal flow parameters.
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Received: 27 June 2011
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2012, Vol. 23 
