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[Early diagnosis of renal diseases--preliminary results from the pilot study PolNef].

Continuous increase of the number of patients with chronic kidney failure which require renal replacement therapy, in Poland as all as over the world, demands the analysis of epidemiological situation concerning renal diseases. Early diagnosis of nephropathy permits not only an adequate treatment, but also facilitates the introduction of the therapy that slows the progression of kidney failure. The aim of the pilot study PolNef was an attempt to evaluate the epidemiology of renal diseases in Poland on the basis of a randomly selected population from a city numbering 60 thousand people. As a screening test, allowing to distinguish patients requiring further diagnostic of nephropathy, the microalbuminuria dipstick test accompanied by blood pressure measurement and questionnaire was accepted. Microalbuminuria was detected in more than 18% of the population investigated up till now. It was more frequent in male, in obese, and in smokers. More than 33% of all participants consulted by the nephrologist required permanent nephrological care and for the next 32% another nephrological consultation in 6 to 12 month should be ordered. Decreased clearance of creatinine was found in above 17% participants and 6 patients were referred for further treatment because of new diagnosis of renal tumor. Identification in investigated population patients with of an early stage of kidney disease needs further nephrological diagnosis and treatment is especially important from the point of view of every single patient and also may bring substantial economic benefits for health protection system as well.