Augmentation Index and Central Aortic Stiffness in Middle-Aged to Elderly Individuals

Increased aortic stiffness contributes to systolic hypertension and increased cardiovascular risk. The augmentation index (AI), ie, the percentage of central pulse pressure attributed to reflected wave overlap in systole, was proposed as a noninvasive indicator of increased arterial stiffness. We ev...

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Bibliographic Details
Published in:	American journal of hypertension Vol. 20; no. 6; pp. 642 - 647
Main Authors:	Vyas, Mitul, Izzo, Joseph L., Lacourcière, Yves, Arnold, J. Malcolm O., Dunlap, Mark E., Amato, Jennifer L., Pfeffer, Marc A., Mitchell, Gary F.
Format:	Journal Article
Language:	English
Published:	New York, NY Elsevier Inc 01-06-2007 Oxford University Press Elsevier Science
Subjects:	Adult Aged Aging - physiology Antiarythmic agents Aorta - physiopathology aortic stiffness Arterial hypertension. Arterial hypotension Augmentation index Biological and medical sciences Biomarkers Blood and lymphatic vessels Blood Pressure - physiology Body Height - physiology Cardiology. Vascular system Cardiovascular system Cross-Sectional Studies Elasticity Electrocardiography Female Heart Rate - physiology Humans Hypertension - physiopathology Investigative techniques of hemodynamics Investigative techniques, diagnostic techniques (general aspects) Linear Models Male Medical sciences Middle Aged Models, Theoretical Pharmacology. Drug treatments Predictive Value of Tests pulse-wave velocity Regional Blood Flow - physiology Reproducibility of Results Severity of Illness Index Sex Factors pulse-wave velocity Augmentation index aortic stiffness Human Hypertension Aorta Cardiovascular disease Stiffness Elderly
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