Cardiovascular reactivity and cardiometabolic risk in adolescents

Amanda J. Countryman, Patrice Saab, Neil Schneiderman, Judith McCalla, Maria Llabre

Research output: Contribution to journalArticle

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Abstract

Background: Cardiovascular reactivity has been examined as a risk marker or factor in the pathogenesis of hypertension or cardiovascular disease, but few have examined the relationship with the metabolic syndrome. Purpose: We examined whether cardiovascular reactivity to laboratory stress is associated with individual cardiometabolic risk factors and their co-occurrence. A significant positive relationship was hypothesized for both individual and clustered risk factors in their cross-sectional associations with reactivity to multiple stressors. Methods: A sample of 144, 15-17-year-old adolescents (74 % boys) largely from ethnic minority groups (54 % Hispanic White, 26 % Black) were identified at annual blood pressure (BP) screening (39 % with elevated BP) at high schools in Miami, Florida, USA. Participants completed the evaluated speaking, mirror star tracing, and cold pressor tasks, as well as cardiometabolic risk factor blood sampling. Participants were classified into metabolic syndrome criterion groups (0, 1, 2, or ≥3 criteria) based on American Heart Association adult criteria. Results: Multiple regression analyses with individual metabolic syndrome variables demonstrated that diastolic (D)BP reactivity during the mirror star tracing task accounted for 1.3 %, 3.8 %, and 5.1 % of the respective variances in casual systolic BP, waist circumference, and triglycerides (ps<0.05). In multinomial logistic regression models, increased DBP reactivity during mirror star tracing and cold pressor tasks, and decreased HR reactivity during the cold pressor, were associated with greater likelihood of risk factor cooccurrence (ranging from 8.3 % to 15.8 %). Conclusions: Findings indicate that autonomic reactivity to the mirror star tracing and cold pressor tasks, but not the evaluated speaking task, is associated with risk factor cooccurrence, and reactivity may be a clinical prognosticator of cardiometabolic disease risk.

Original languageEnglish
Pages (from-to)122-130
Number of pages9
JournalInternational Journal of Behavioral Medicine
Volume21
Issue number1
DOIs
StatePublished - Jan 1 2014

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Blood Pressure
Logistic Models
Hypertension
Minority Groups
Waist Circumference
Hispanic Americans
Ethnic Groups
Triglycerides
Cardiovascular Diseases
Regression Analysis
hydroquinone

Keywords

  • Adolescents
  • Autonomic dysfunction
  • Cardiometabolic risk
  • Cardiovascular reactivity
  • Metabolic syndrome

ASJC Scopus subject areas

  • Applied Psychology

Cite this

Cardiovascular reactivity and cardiometabolic risk in adolescents. / Countryman, Amanda J.; Saab, Patrice; Schneiderman, Neil; McCalla, Judith; Llabre, Maria.

In: International Journal of Behavioral Medicine, Vol. 21, No. 1, 01.01.2014, p. 122-130.

Research output: Contribution to journalArticle

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