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Influence of smoking cessation on carotid artery wall elasticity evaluated by echo-tracking

机译：回声追踪评价戒烟对颈动脉壁弹性的影响

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Objective.: Exploring the use of echo-tracking (ET) for evaluating changes in carotid artery wall elasticity after smoking cessation. Methods.: Carotid artery ultrasound examination was performed in 67 male patients before and after smoking cessation treatment, for measurement of intimal media thickness (IMT), and ET measurement of wall elasticity variables, ie, wall stiffness index (β), pressure-strain elastic modulus (Ep), compliance (AC), augmentation index (AI), and local pulse wave velocity (PWVβ). We also measured heart rate (HR), systolic pressure (Ps), diastolic pressure (Pd), total cholesterol (TC), triglyceride level (TG), low-density lipoprotein (LDL), and high-density lipoprotein (HDL). Results.: Hyperlipemia and/or arterial hypertension and/or hyperglycemia were absent in 22 (group A1) and 12 (group B1) and present in 19 (group A2) and 14 (group B2) of the patients with successful (group A, n = 41) and unsuccessful (group B, n = 26) treatment, respectively. In the A1 group, there was no significant difference in AI before and after smoking cessation, whereas β, Ep, and PWVβ decreased, and AC increased (p < 0.05). None of these variables changed after smoking cessation in groups A2, B1, and B2. There was no change in IMT in either group. HR decreased and HDL increased in the A1 group, without change in Ps, Pd, TC, TG, and LDL. There was no change in HR, Ps, Pd, TC, TG, LDL, and HDL in groups A2, B1, and B2. Conclusions.: ET can be used to evaluate quantitatively the impact of smoking cessation on common carotid artery wall elasticity.
机译：目的：探索使用回声跟踪（ET）评估戒烟后颈动脉壁弹性的变化。方法：对67名男性戒烟前后的患者进行颈动脉超声检查，以测量内膜中层厚度（IMT），并通过ET测量壁弹性变量，即壁硬度指数（β），压力-应变弹性模量（Ep），顺应性（AC），增强指数（AI）和局部脉搏波速度（PWVβ）。我们还测量了心率（HR），收缩压（Ps），舒张压（Pd），总胆固醇（TC），甘油三酸酯水平（TG），低密度脂蛋白（LDL）和高密度脂蛋白（HDL）。结果：22例（A1组）和12例（B1组）不存在高脂血症和/或动脉高血压和/或高血糖症，而成功的患者（A组，19个（A2组）和14例（B2组）中则没有。 n = 41）和治疗失败（B组，n = 26）。在A1组中，戒烟前后AI的差异无统计学意义，而β，Ep和PWVβ降低，而AC升高（p <0.05）。在A2，B1和B2组中，戒烟后这些变量均未改变。两组的IMT均无变化。 A1组的HR降低而HDL升高，而Ps，Pd，TC，TG和LDL不变。 A2，B1和B2组的HR，Ps，Pd，TC，TG，LDL和HDL没有变化。结论：ET可用于定量评估戒烟对颈总动脉壁弹性的影响。

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