Racial differences in hemodynamic responses to the cold face stimulus in children and adults.

Racial differences in hemodynamic responses to the cold face stimulus in children and adults.
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儿童和成人对冷脸刺激的血流动力学反应存在种族差异。

DOI:
10.1097/00006842-199005000-00003
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发表时间:
1990
影响因子:
3.3
通讯作者:
Leverett,S
Leverett,S
中科院分区:
医学3区
文献类型:
--
作者:
Treiber,FA;Musante,L;Braden,D;Arensman,F;Strong,WB;Levy,M;Leverett,S

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:黑人的高血压患病率高于白人。这种差异的一个原因可能是黑人对产生血管收缩反应的应激源更有反应。为了验证这一假设,进行了两项研究,一项是10至14岁的男性(20名白人,20名黑人),另一项是年轻成年男性(10名白人,10名黑人)。受试者在前额冷刺激之前、期间和之后测量血压、心率、心输出量和总外周阻力。在这两项研究中,黑人比白人表现出更大的舒张压和对应激源的总外周阻力的增加。这些发现与黑人对压力的升压反应更强有关,这似乎是由总外周阻力的变化所调节的。
: The prevalence of essential hypertension is higher among blacks than whites. One reason for this difference may be that blacks are more reactive to stressors that produce vasoconstrictive responses. Two studies were conducted to test this hypothesis, one with 10-to 14-year-old males (20 whites, 20 blacks) and one with young adult males (10 whites, 10 blacks). Subjects had blood pressure, heart rate, cardiac output, and total peripheral resistance measured before, during, and after exposure to forehead cold stimulation. In both studies, blacks exhibited greater increases in diastolic blood pressure and total peripheral resistance to the stressor than whites. The findings are discussed in relation to blacks' greater pressor reactivity to stress, which appears to be mediated by changes in total peripheral resistance.
有黑人高血压吗?
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期刊: HYPERTENSION
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