Early diagnostics and incidence of diabetic nephropathy depending on type 1 diabetes mellitus duration

V.A. Maslianko

Abstract


The objective — to establish the incidence of diabetic nephropathy (DN) depending on duration of type 1 diabetes mellitus (DM), and also the content of cystatin С as a marker of early kidney damage. Materials and methods. Twenty eight patients with type 1 DM were enrolled in prospective study (11 men and 17 women aged 34.8 ± 7.2 years). Clinical and functional examination included the standard evaluation of renal function, and also the study of serum level of cystatin С. Results. In 17 out of 28 patients, the indexes of glomerular filtration rate calculated using the formulas of CKD-ЕРIcreat and CKD-ЕРIcys, indicated the different stages of chronic kidneys disease. Conclusions. Determination of cystatin C level and calculation of glomerular filtration rate using this index allows diagnosing the preclinical stages of kidney dysfunction in patients with type 1 DM in the normal creatinine level in the blood and without decline in glomerular filtration rate calculated using creatinine value. According to a retrospective study, the incidence and severity of DN in patients with type 1 DM increases with disease duration of more than 10 years.

Keywords


type 1 diabetes mellitus; diabetic nephropathy; cystatin С

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DOI: https://doi.org/10.22141/2224-0721.13.2.2017.100607

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