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Effect of endoscopic sclerotherapy of esophageal varices on liver blood flow and liver function. An experimental study

, : Effect of endoscopic sclerotherapy of esophageal varices on liver blood flow and liver function. An experimental study. Scandinavian Journal of Gastroenterology 22(5): 619-626

In 10 Göttingen mini-pigs esophageal varices developed after banding of the portal vein. In five pigs the varices were treated by paravariceal injection of polidocanol, and the rest served as controls. As judged from endoscopy and portography, the varices disappeared after four sclerotherapy sessions within 4 weeks, and at the same time portal venous pressure rose from 19 to 38 mm Hg. No changes were seen in the control group. After 24 weeks of observation the hepatic blood flow in the untreated group was 10 ml/kg/min, and portal angiography showed that nearly all the portal blood bypassed the liver. In the pigs treated with sclerotherapy the hepatic blood flow increased to 28 ml/kg/min, angiography showed a normal hepatogram, and no filling of the collaterals was seen. Sclerotherapy induced only a few changes in liver function, and these may be related to the concomitant increase in liver blood flow.


PMID: 3629188

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