Title: Ambulatory arterial stiffness index predicts stroke in a general population
Authors: Hansen, Tine W ×
Staessen, Jan A
Torp-Pedersen, Christian
Rasmussen, Susanne
Li, Yan
Dolan, Eamon
Thijs, Lutgarde
Wang, Ji-Guang
O'Brien, Eoin
Ibsen, Hans
Jeppesen, Jørgen #
Issue Date: Nov-2006
Publisher: Gower Medical Pub.
Series Title: Journal of Hypertension vol:24 issue:11 pages:2247-2253
Abstract: OBJECTIVE: The ambulatory arterial stiffness index (AASI) can be computed from individual 24-h blood pressure recordings. METHODS: We investigated the prognostic value of AASI and 24-h pulse pressure in a random sample of 1829 Danes, aged 40-70 years. We adjusted for sex, age, body mass index, mean arterial pressure, smoking, diabetes, ratio of total to high-density lipoprotein cholesterol, and history of cardiovascular disease with Cox regression. RESULTS: Over a median follow-up of 9.4 years, incidences of fatal and nonfatal endpoints were 40 for stroke, 150 for coronary heart disease, and 212 for cardiovascular events. In fully adjusted models, the hazard ratios associated with 1 SD increase (0.14 U) in the AASI were 1.62 (95% confidence interval, 1.14-2.28; P = 0.007) for stroke, 0.96 (0.80-1.14; P = 0.62) for coronary heart disease, and 1.06 (0.91-1.23; P = 0.49) for cardiovascular events. None of these ratios reached significance for pulse pressure (P > 0.47). The AASI still predicted stroke after excluding individuals with previous cardiovascular disease or after adjustment for systolic and/or diastolic blood pressure instead of mean arterial pressure. CONCLUSIONS: In a randomly recruited European population, the AASI was a strong predictor of stroke, beyond traditional cardiovascular risk factors, including the mean arterial pressure and pulse pressure.
ISSN: 0263-6352
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Hypertension and Cardiovascular Epidemiology
× corresponding author
# (joint) last author

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