Journal
JOURNAL OF THE AMERICAN SOCIETY OF HYPERTENSION
Volume 7, Issue 6, Pages 440-447Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jash.2013.07.005
Keywords
Blood pressure; country of birth; epidemiology
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Funding
- IPC Center (Centre d'Investigations Preventives et Cliniques), Paris
- GPH-CV (Groupe de Pharmacologie et d'Hemodynamique Cardiovasculaire), Paris, France
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The impact of country of birth (Africa, Asia, or France) on variations of hemodynamic, clinical, and biological parameters of a French general population was evaluated. The study included 2743 subjects (1641 men, 1102 women; mean age 45.4 +/- 13.5 years) with at least two health checkups at the Centre d'Investigations Preventives et Cliniques, Paris, between 2008 and 2011. The interval between the two visits (V1, V2) was 1.74 +/- 0.66 years. Changes of hemodynamic, biological and clinical markers were calculated using the V2-V1 absolute difference or percent variation. African- and Asian-born were compared separately to French-born subjects using variance analysis and chi(2) tests. In men, country of birth was not associated with any significant mean hemodynamic parameter variation. In women, mean brachial and central pulse pressures, heart rate (HR), and central augmentation index (CAI) varied significantly more among African- than Asian-born women, when compared with French-born women. For each hemodynamic parameter, V1 values were the first predictive of this change. Country of birth was a significant predictor of HR and CAI changes. Evaluation of interactions showed that a gender x birth country interaction was significant with CAI variation and, to a lesser extent, HR. Finally, country of birth impacted changes in CAI differently in men and women, suggesting that wave reflections play an important role in cardiovascular risk mainly in women. Their effects act predominantly on pulse pressure level and its amplification, indicating an increasing contribution of CAI with age. (C) 2013 American Society of Hypertension. All rights reserved.
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