Hemodynamic profile and compensation deficit in African and European Americans during physical and mental stress

Luca Carnevali, Cristina Ottaviani, De Wayne P. Williams, Kakota Gaston Kapuku, Julian F. Thayer, La Barron K. Hill

Research output: Contribution to journalArticle

Abstract

Increased vascular reactivity to stress has been suggested to contribute to the greater risk for developing hypertension in African Americans. Here, we examined the way (hemodynamic profile) and the extent to which (compensation deficit) cardiac output and total peripheral resistance compensate for each other in determining blood pressure responses to a physical (orthostasis) and a mental (anger recall) stress task, in normotensive African American (AA, n = 30) and European American (EA, n = 48) college students. Blood pressure stress reactivity did not differ as a function of race. However, AAs showed a prominent vascular hemodynamic profile and a significant compensation deficit in response to both tasks, while EAs showed no hemodynamic response to orthostasis and a mixed profile in response to anger recall. The present findings demonstrate a more prominent vascular hemodynamic reactivity to stress in AAs, which could contribute to the pathogenesis of hypertension in this ethnic group.

Original languageEnglish (US)
Pages (from-to)17-24
Number of pages8
JournalBiological Psychology
Volume141
DOIs
StatePublished - Feb 1 2019

Fingerprint

African Americans
Hemodynamics
Blood Vessels
Anger
Dizziness
Mental Recall
Blood Pressure
Hypertension
Ethnic Groups
Cardiac Output
Vascular Resistance
Students

Keywords

  • Compensation deficit
  • Ethnic differences
  • Hemodynamic profile
  • Hypertension
  • Stress

ASJC Scopus subject areas

  • Neuroscience(all)
  • Neuropsychology and Physiological Psychology

Cite this

Hemodynamic profile and compensation deficit in African and European Americans during physical and mental stress. / Carnevali, Luca; Ottaviani, Cristina; Williams, De Wayne P.; Kapuku, Kakota Gaston; Thayer, Julian F.; Hill, La Barron K.

In: Biological Psychology, Vol. 141, 01.02.2019, p. 17-24.

Research output: Contribution to journalArticle

Carnevali, Luca ; Ottaviani, Cristina ; Williams, De Wayne P. ; Kapuku, Kakota Gaston ; Thayer, Julian F. ; Hill, La Barron K. / Hemodynamic profile and compensation deficit in African and European Americans during physical and mental stress. In: Biological Psychology. 2019 ; Vol. 141. pp. 17-24.
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