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From a surgeon's perspective, intraureteral jj-stent is an optimal tool to ensure upper urinary tract drainage. This paper presents preliminary results of our study investigating the use of ureteral stents with nanostructured coating in renal transplant recipients. The use of nanostructured coating based on amorphous carbon and silver nanocrystallites eliminated bacteriuria by week 4 after stenting in the treatment group with significant decrease of urine sediments while in the control group bacteriuria was found in 83,3% cases. Symptoms of bladder irritability depended on stent construction rather than presence of coating.