During the last year 57 cadaver kidney transplantations were performed in Lithuania, 23 of them in Kaunas. The first transplantation of cadaver kidney at Kaunas University of Medicine Hospital was performed in May 2000. The purpose of the study was to analyze the results of kidney transplantations performed at Kaunas University of Medicine Hospital between May 2000 and December 2004 and to evaluate the most frequent early and late complications after transplantation and survival of the kidney transplant. During this period a total of 51 cadaver kidney transplantations were done. The mean age of patients was 38.37+/-12.45 years. 90.2% of cadaver kidneys were taken from the optimal kidney donors. The most common early complications after kidney transplantation were infections of the urinary tract (33.3%) and on the late period of kidney transplantation complications of the immunosuppressive treatment (40%) (cytomegalovirus infection, agranulocytosis). Acute rejections were in 13.7 proc. of patients. Kidney transplant survival rate at 1 and 3 years after cadaver kidney transplantation was 85%. Mortality of transplant patients was 2%.