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  • Title: [Regional hemodynamics of the forearm. Comparison between obese and non-obese hypertensive patients].
    Author: Raison J, London G, Safar M.
    Journal: Arch Mal Coeur Vaiss; 1988 Jun; 81 Spec No():65-9. PubMed ID: 3142431.
    Abstract:
    Forearm hemodynamics using pulsed Doppler flowmetry were studied in 83 men: 15 non-obese and 8 obese normotensive subjects; and 30 non-obese and 30 obese hypertensive patients. Mean ages were similar in the four subgroups. The blood pressure of normotensives and hypertensives was identical in obese and non-obese subjects. Blood flow expressed in ml/mn was significantly higher in obese subjects whether normotensive or hypertensive. However, when blood flow was expressed per unit liter of forearm volume, it was similar in the four subgroups. Forearm vascular resistance, whether expressed as absolute of normalized values, was significantly higher (p less than 0.001) in non-obese hypertensives. When obese and non-obese hypertensives were compared, the former were characterized by higher values of blood velocity and blood flow, and lower values of vascular resistance, whether absolute or normalized values were used. The present study shows that: (i) forearm vascular resistance in hypertensives is increased exclusively in non-obese subjects, and (ii) obese hypertensives, when compared with non-obese hypertensives, are characterized by a hyperkinetic forearm circulation.
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