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Vasoactive effects of aprotinin

Cumming, A. D., Nimmo, G .R., Craig, Kathrine Jane, McGilchrist, A. and Hayes, P. C. 1992. Vasoactive effects of aprotinin. Agents and Actions Supplements 38 (pt 2) , pp. 211-218.

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The protease inhibitor aprotinin was given a) in experimental septic shock, and b) in patients with hepatic cirrhosis and ascites, since in both conditions, activation of the plasma kallikrein-kinin system is associated with pathological systemic vasodilatation, which may trigger reflex neuroendocrine activation and renal solute retention. Given early in experimental sepsis, aprotinin maintained the arterial pressure, systemic vascular resistance (SVR), creatinine clearance and sodium excretion, all of which fell in controls. Aprotinin also blocked increases in pulmonary artery pressure and plasma renin activity (PRA). Given late in sepsis, aprotinin caused a rapid rise in arterial pressure and SVR towards baseline levels. In cirrhosis, aprotinin increased SVR in patients with low baseline values, and improved glomerular filtration rate, renal plasma flow and sodium excretion in all subjects; PRA was suppressed by aprotinin. Aprotinin reverses pathological systemic vasodilatation in these two conditions, and this is associated with a reduction in renin release and improved renal function.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Subjects: R Medicine > R Medicine (General)
R Medicine > RZ Other systems of medicine
Publisher: Springer
ISSN: 0379-0363
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Last Modified: 04 Jun 2017 06:37

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