Objective To investigate the correlation of brachial-ankle pulse wave velocity ( baPWV) and the carotid plaque in per-sons with different body mass index ( BMI) .Methods 1 243 relatively healthy persons were divided into three groups according to BMI as follow:normal body weight group(BMI<24.0 kg/m2),overweight group(BMI 24.0~27.9 kg/m2),and obesity group(BMI>28 kg/m2).The differences of baPWV and carotid plaque in those groups were analyzed .Results The baPWV was increased with the increasing of BMI .It was(1 361.4±189.8)cm/s in the normal body weight group,(1 527.8±221.4)cm/s in the overweight group and (1 636.5±303.7)cm/s in the obesity group respectively .The carotid plaque was more frequently detected in higher BMI group .The persons with carotid plaque were 60 cases(8.32%) in the normal body weight group,98 cases(25.45%) in the overweight group,and 62 cases(45.26%) in the obesity group respectively .Conclusions A higher baPWV is closely correlated with overweight and obesity ,and a higher incidence of carotid plaque in overweighted or obesity persons than that in the normal weighted persons .Controlling body weight for a normal BMI is useful for retarding the progress of atherosclerosis and keeping fit .%目的：探讨不同体重指数与踝臂脉搏波传导速度（baPWV）和颈动脉斑块的相关性。方法在2014年1～12月健康体检无重大慢性疾病相对健康人群中，按单纯随机数字分类法收集1243例40岁以上者，按体重指数（ BMI）分为体重正常组（ BMI＜24．0 kg／m2）、超重组（ BMI 24．0～27．9 kg／m2）和肥胖组（ BMI＞28．0 kg／m2），比较3组间baPWV的差异以及各组颈动脉斑块形成情况。结果随着 BMI增高，baPWV呈逐渐上升趋势，体重正常组为（1361．4±189．8）cm／s，超重组为（1527．8±221．4）cm／s，肥胖组为（1636．5±305．7）cm／s；颈动脉斑块形成正常体重组为60例（8．32％），超重组为98例（25．45％），肥胖组为62例（45．26％）；差异显著（均 P＜0．01）。结论超重、肥胖与踝臂脉搏波传导速度增快密切相关。控制体重，使体重指数保持在正常范围内，对维护血管健康、减缓动脉硬化的发展有重要意义。
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