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  • Title: [Prevalence of subnormal glomerular filtration rate in patients with diabetes mellitus].
    Author: Trofimenko II, Dobronravov VA, Bystrova NN, Drozdova IuV, Galkina OV, Smirnov AV.
    Journal: Ter Arkh; 2008; 80(6):48-52. PubMed ID: 18655476.
    Abstract:
    AIM: To evaluate prevalence of subnormal glomerular filtration rate (GFR) in diabetes mellitus (DM) patients with reference to albuminuria level. MATERIAL AND METHODS: GFR by MDRD and urine excretion of protein/albumin were estimated in 851 diabetic patients (473 with type 1 DM and 378 with type 2 DM). RESULTS: Normoalbuminuria (NAU), microalbuminuria (MAU) and proteinuria were detected in 54, 16 and 30% type 1 diabetics, respectively; 77% had subnormal GFR, in NAU 8.3% had GFR decline (< 60 ml/min) corresponding to stage III-IV chronic disease of the kidneys. In MAU the latter was present in 16.4%, in proteinuria--in 62.8%. Type 2 diabetics had NAU in 33.6% cases, MAU--in 17.7%, proteinuria--in 48.7%. Subnormal GFR < 60 ml/min was found in 40% cases with NAU and MAU. Most patients with proteinuria had chronic disease of the kidneys of stage III-V In a normal creatinine concentration in blood serum subnormal GFR < 60 ml/min was observed in type 1 DM in 7.6, in type 2 DM--in 33% cases. CONCLUSION: Prevalence of subnormal GFR in diabetic patients with NAU and MAU is rather high. This necessitates wide introduction of this index in screening, follow-up and classification of renal damage severity in DM as well as estimation of albuminuria/proteinuria.
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