Effects of a somatostatin analogue SMS 201-995 on hepatic haemodynamics in the pig and on intravariceal pressure in man
- 7 December 1985
- journal article
- research article
- Published by Oxford University Press (OUP) in British Journal of Surgery
- Vol. 72 (12), 1009-1012
- https://doi.org/10.1002/bjs.1800721225
Abstract
The effects of a somatostatin analogue, SMS 201-995, on hepatic haemodynamics in the pig and on intravariceal pressure in man were studied. An infusion of 250 μg/h SMS 201-995 significantly reduced portal pressure, portal venous flow and hepatic artery flow in the pig. These changes in hepatic haemodynamics were accompanied by a reduction in cardiac output, a reflex slowing of the heart and an increase in arterial blood pressure. Splanchnic vascular resistance was increased following SMS 201-995 administration but hepatic vascular resistance remained unchanged. Administration of 50 μg SMS 201-995 reduced the intravariceal pressure from 27.4 ± 2.5 to 15.8 ± 2.1 mmHg in 9 patients with cirrhosis and portal hypertension. Administration of 50 μg SMS 201-995 also reduced portal pressure from 29 to 22 mmHg in a patient undergoing an elective portacaval shunt. These results suggest that SMS 201-995 may be of value in the control of bleeding oesophageal varices. Furthermore, because of its prolonged duration of action SMS 201-995 may be useful in the long term management of portal hypertension in patients with cirrhosis.Keywords
Funding Information
- Mersey Regional Health Authority
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