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Biol Psychol. 2008 Mar;77(3):317-23. Epub 2007 Nov 17.

Laboratory-based blood pressure recovery is a predictor of ambulatory blood pressure.

Author information

  • 1Box 3119 Duke University Medical Center, Durham NC 27710, United States. ranak.trivedi@duke.edu

Abstract

The recovery phase of the stress response is an individual difference characteristic that may predict cardiovascular risk. The purpose of this study was to examine whether laboratory-based blood pressure (BP) recovery predicts ambulatory BP (ABP). One hundred and eighty-two participants underwent a standard laboratory stress protocol, involving a 20-min baseline rest period, and four stressors presented in a counterbalanced order, each followed by a 10-min recovery period. Participants also wore an ABP monitor for 24h during a typical workday. Hierarchical regression analyses showed that BP recovery accounted for significant additional variance for daytime SBP (p<0.001), nighttime SBP (p<0.001), daytime DBP (p<0.001), and nighttime DBP (p<0.001), after controlling for baseline and reactivity BP. Results suggest that persistence of the BP response following stress may be a more salient characteristic of the stress response in understanding its potential impact on longer term cardiovascular regulation.

PMID:
18096293
[PubMed - indexed for MEDLINE]
PMCID:
PMC2292462
Free PMC Article

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