Cardiovascular events are the main cause of mortality in chronic kidney disease (CKD) patients. Increased carotid artery intimamedia thickness (C-IMT) is a strong predictor for cardiovascular events. The present study aimed to evaluate the effect of kidney transplantation on C-IMT in CKD patients. Eligible end-stage renal disease (ESRD) patients were evaluated by B-mode ultrasonography regarding C-IMT (mm) and atherosclerotic plaque size (mm 2 ) 1 week before and 6 months after the hemodialysis or kidney transplantation. Also, peak systolic velocity (PSV, cm/s) of carotid artery was accessed with duplex ultrasonography. 38 hemodialysis and 56 kidney transplantation patients were enrolled in the study. The mean age of the patients was 55.1 ± 10.4 years. 32 (34%) cases were female, and the rest were male. The mean of C-IMT before and 6 months after hemodialysistransplantation was 0.71 ± 0.2 -0.71 ± 0.2 mm (p = 0.8) and 0.75 ± 0.2 -0.66 ± 0.2 mm (p = 0.01), respectively. The mean of PSV before and after hemodialysis -transplantation was 58 ± 13.9 -58.3 ± 15.6 cm/s (p = 0.9) and 60.9 ± 12.7 -59.3 ± 12.4 cm/s (p = 0.6), respectively. The mean of atherosclerotic plaque size before and after hemodialysis -transplantation was 64.6 ± 34.3 -50.1 ± 31.2 mm 2 (p = 0.2) and 59.3 ± 31.1 -48.8 ± 30.3 mm 2 (p = 0.4), respectively. After 6 months, kidney transplantation in comparison with hemodialysis was associated with a significant decrease in C-IMT and was not effective on improving the size of atherosclerotic plaque and PSV.
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