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Title: Blood pressure and fibrinogen responses to mental stress as predictors of incident hypertension over an 8-Year period.
Authors: Steptoe, Andrew
Kivimaki, Mika
Lowe, Gordon
Rumley, Ann
Hamer, Mark
Keywords: Stress reactivity
Stress recovery
Allostatic load
Issue Date: 2016
Publisher: © Springer Verlag
Citation: STEPTOE, A. ...et al., 2016. Blood pressure and fibrinogen responses to mental stress as predictors of incident hypertension over an 8-Year period. Annals of Behavioral Medicine, 50(6), pp.898-906.
Abstract: Background Heightened blood pressure (BP) responses to mental stress predict raised BP levels over subsequent years, but evidence for associations with incident hypertension is limited, and the significance of inflammatory responses is uncertain. Purpose We investigated the relationship between BP and plasma fibrinogen responses to stress and incident hypertension over an average 8-year follow-up. Method Participants were 636 men and women (mean age 59.1 years) from the Whitehall II epidemiological cohort with no history of cardiovascular disease and hypertension. They performed standardized behavioral tasks (color/word conflict and mirror tracing), and hypertension was defined by clinic measures and medication status. Results Of participants in the highest systolic BP reactivity tertile, 29.3 % became hypertensive over the follow-up period compared with 16.5 % of those in the lowest tertile, with an odds ratio of 2.02 (95 % CI 1.17–3.88, p =0.012) after adjustment for age, sex, grade of employment, body mass index, smoking, alcohol consumption, physical activity, follow-up time, subjective stress response, perceived task difficulty, perceived task engagement, and baseline BP. Similar associations were observed for diastolic BP reactivity (odds ratio 2.05, 95 % CI 1.23–3.40, p = 0.006) and for impaired systolic BP post-stress recovery (odds ratio 2.06, 95 % CI 1.19–3.57, p =0.010). Fibrinogen reactions to tasks also predicted future hypertension in women (odds ratio 2.64,95 % CI 1.11–6.30, p=0.029) but not men. Conclusions These data suggest that heightened cardiovascular and inflammatory reactivity to mental stress is associated with hypertension risk, and may be a mechanism through which psychosocial factors impact on the development of hypertension.
Description: This is an Open Access Article. It is published by Springer under the Creative Commons Attribution 4.0 Unported Licence (CC BY). Full details of this licence are available at: http://creativecommons.org/licenses/by/4.0/
Sponsor: This research was supported by the British Heart Foundation (RG/10/005/28296).
Version: Published
DOI: 10.1007/s12160-016-9817-5
URI: https://dspace.lboro.ac.uk/2134/22266
Publisher Link: http://dx.doi.org/10.1007/s12160-016-9817-5
ISSN: 1532-4796
Appears in Collections:Published Articles (Sport, Exercise and Health Sciences)

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