We investigated the ability of systolic and diastolic carotid artery longitudinal wall motion (CALM) to delineate expected differences in arterial health in individuals representing a range of both age and health status. We recruited 161 younger healthy adults (aged 24 ± 5 y), 51 older healthy adults (aged 70 ± 5 y) and 14 adults with coronary artery disease (aged 67 ± 8 y) for resting assessment of CALM and arterial stiffness. All CALM parameters were reduced in the old healthy adults and adults with coronary artery disease compared with the young healthy adults (p < 0.01), with diastolic velocity and maximum diastolic acceleration being further reduced in the adults with coronary artery disease than in the older healthy adults (p < 0.01). Diastolic CALM parameters were more strongly related to age (β range: -0.46 to -0.53) than systolic CALM parameters (β range: -0.24 to -0.44). In contrast to previous examinations of a variety of CALM parameters, diastolic CALM may provide superior promise in terms of characterizing arterial wall properties, with additional sensitivity to cardiovascular disease status.

译文

我们研究了收缩期和舒张期颈动脉纵向壁运动 (CALM) 描绘代表年龄和健康状况范围的个体的动脉健康预期差异的能力。我们招募了161名年轻的健康成年人 (24 ± 5岁),51名老年健康成年人 (70 ± 5岁) 和14名患有冠状动脉疾病的成年人 (67 ± 8岁) 进行静息评估平静和动脉僵硬度。与年轻健康成年人相比,老年健康成年人和患有冠状动脉疾病的成年人的所有CALM参数均降低 (p <0.01),与老年健康成年人相比,患有冠状动脉疾病的成年人的舒张速度和最大舒张加速度进一步降低 (p <0.01)。舒张期平静参数与年龄 (β 范围: -0.46至-0.53) 的相关性高于收缩期平静参数 (β 范围: -0.24至-0.44)。与以前对各种平静参数的检查相比,舒张期平静在表征动脉壁特性方面可能具有出色的前景,并且对心血管疾病状态具有额外的敏感性。

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