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  • Title: Effects of a somatostatin analogue SMS 201-995 on hepatic haemodynamics in the pig and on intravariceal pressure in man.
    Author: Jenkins SA, Baxter JN, Corbett WA, Shields R.
    Journal: Br J Surg; 1985 Dec; 72(12):1009-12. PubMed ID: 2867802.
    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 micrograms/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 micrograms 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 micrograms 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.
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