Stability of children's and adolescents' hemodynamic responses to psychological challenge: a three-year longitudinal study of a multiethnic cohort of boys and girls.
Stability of children's and adolescents' hemodynamic responses to psychological challenge: a three-year longitudinal study of a multiethnic cohort of boys and girls.
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儿童和青少年对心理挑战的血流动力学反应的稳定性：对多种族男孩和女孩队列进行的为期三年的纵向研究。
DOI：
10.1111/1469-8986.3960826
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发表时间：
2002
期刊：
影响因子：
3.7
通讯作者：
Allen,MichaelT
中科院分区：
文献类型：
--
作者：
Matthews,KarenA;Salomon,Kristen;Kenyon,Karen;Allen,MichaelT
本报告评价了（a）使用阻抗心动图对三项任务的血流动力学反应的时间稳定性，以及（B）多种族儿科样本中老化对应激反应的影响。100名8至10岁的儿童和49名15至17岁的青少年在研究开始时和平均3年后接受了测试。结果显示，复合任务引起的每搏输出量（SV）、心输出量（CO）、总外周阻力（TPR）和射血前期（PEP）的变化在3年内中等稳定（rs = 0.36至0.51），儿童在任务引起的CO变化方面表现出比青少年更大的稳定性。然而，参与者的压力反应的大小随着时间的推移而变化，因任务，年龄组和性别而异。这些结果表明，在儿童和青少年时期，血液动力学对压力的反应随着年龄的增长而变化，并且可以可靠地测量。
This report evaluated (a) the temporal stability of hemodynamic responses to three tasks using impedance cardiography, and (b) the influence of aging on stress responses in a multi-ethnic pediatric sample. One hundred children 8 to 10 years old and 49 adolescents 15 to 17 years old were tested at study entry and on average 3 years later. Results showed that the composite task-induced changes in stroke volume (SV), cardiac output (CO), total peripheral resistance (TPR), and pre-ejection period (PEP) were moderately stable across 3 years (rs = .36 to .51), with children showing greater stability in task-induced CO change than did adolescents. However, the magnitude of the participant's stress responses changed over time, varied by task, age group, and gender. These results suggest that hemodynamic responses to stress change with aging during childhood and adolescence and that they can be measured reliably.