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A clinical study on carotid function in patients with diabetes by Echo-Tracking technology
Hu-sheng Xiao, Xin Peng, Qing-liang Wang, Yi-yi Zhang, Hao-qiang Yin, Yi-jun Xu, Meng-chao Qian.
Department of Ultrasound, Longhua Hospital, Shanghai University of TCM, Shanghai 200032, China


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Objective To study features of carotid artery by eTRACKING in diabetic patients. 
Methods There are 57 cases in the diabetes group and 39 cases in the normal controlled group. eTRACKING was used to evaluate the carotid elastic modulus, such as the pressure-strain elastic modulus(Ep), stiffness parameter(β), arterial compliance (AC), pulse wave conducting velocity(PWVβ), augment index(AI). All these parameters were analyzed statistically. 
Results Compared with the normal group, data of Ep, β, PWVβ of carotid artery were significantly higher in diabetes group(P<0.01). And data of AC was significantly lower than controlled group(P<0.01). Data of AI of carotid artery was higher in diabetes group(P<0.05). 
Conclusions ET technology can be used to evaluate the carotid elastic function in patients with diabetes mellitus.