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Arteriosclerosis, Thrombosis, and Vascular Biology. 1982;2:266-271

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*PROPRANOLOL HYDROCHLORIDE

Arteriosclerosis, Vol 2, 266-271, Copyright © 1982 by American Heart Association

ARTICLES

Systemic arterial compliance in patients with arteriosclerosis obliterans of the lower limbs. Observations on the effect of intravenous propranolol

JA Levenson, AC Simon, JN Fiessinger, ME Safar, GM London and EM Housset

Hemodynamic parameters and systemic arterial compliance were measured in patients with arteriosclerosis obliterans of the lower limbs before and after acute administration of propranolol. Arterial compliance was evaluated from a simple viscoelastic model, enabling the calculation of diastolic drainage and diastolic blood flow as indices of the reservoir role of the larger arteries in overall circulation. In comparing basal conditions with normal subjects of the same age, patients with arteriosclerosis obliterans exhibited a significant decrease in arterial compliance (p less than 0.01) and heart rate (p less than 0.02) with a significant increase in systolic pressure (p less than 0.001). Diastolic drainage was increased (p less than 0.01) and was positively correlated with diastolic time (r = 0.73, p less than 0.001). Diastolic blood flow remained within normal ranges (52 +/- 2 vs 49 +/- 3 ml/m2/sec). After acute propranolol intravenous administration, heart rate and stroke volume decreased (p less than 0.001), while total peripheral resistance increased (p less than 0.001). Systemic arterial compliance and diastolic blood flow significantly decreased (p less than 0.01). The study provided evidence that in patients with arteriosclerosis obliterans, the diastolic blood flow was maintained in basal conditions despite the observed reduction in arterial compliance, and that intravenous propranolol administration decreased systemic arterial compliance and diastolic blood flow.


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 ANGIOLOGYHome page
M.E. Safar, St. Laurent, R.E. Asmar, A. Safavian, and G.M. London
Systolic Hypertension in Patients with Arteriosclerosis Obliterans of the Lower Limbs
Angiology, April 1, 1987; 38(4): 287 - 295.
[Abstract] [PDF]


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