The Relationship between Multiple Health Behaviours and Brachial Artery Reactivity
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2012-02-29
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Abstract
Background. The effects of smoking, alcohol consumption, obesity, and a sedentary lifestyle on endothelial function (EF) have only been examined separately. The relative contributions of these behaviours on EF have therefore not been compared. Purpose. To compare the relative associations between these four risk factors and brachial artery reactivity in the same sample. Methods. 328 patients referred for single-photon emission computed tomography (SPECT) exercise stress tests completed a nuclear-medicine-based forearm hyperaemic reactivity test. Self-reported exercise behaviour, smoking habits, and alcohol consumption were collected and waist circumference was measured. Results. Adjusting for relevant covariates, logistic regression analyses revealed that waist circumference, abstinence from alcohol, and past smoking significantly predicted poor brachial artery reactivity while physical activity did not. Only waist circumference predicted continuous variations in EF. Conclusions. Central adiposity, alcohol consumption, and smoking habits but not physical activity are each independent predictors of poor brachial artery reactivity in patients with or at high risk for cardiovascular disease.
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Jennifer L. Gordon, Kim L. Lavoie, André Arsenault, et al., “The Relationship between Multiple Health Behaviours and Brachial Artery Reactivity,” International Journal of Hypertension, vol. 2012, Article ID 846819, 9 pages, 2012. doi:10.1155/2012/846819