Percutaneous Transhepatic Obliteration of Gastroesophageal Varices: Some Technical Aspects

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Abstract
Cases (2) of bleeding from gastroesophageal varices treated by variceal obliteration illustrate multiple routes of variceal supply, and alert embolizing angiographers to the presence of spontaneous portosystemic shunts which should be kept open. In 1 case, variceal obliteration required embolization of the left gastric vein and a transhepatic collateral originating from the left hepatic portal branch and contributing substantially to variceal filling. A 2nd patient with a relatively large spontaneous splenorenal shunt had recurrent variceal bleeding 2 mo. after successful embolization of the coronary vein and a short gastric vein. A repeat study revealed the recurrent varices were supplied by enlarged right gastric and gastroepiploic veins. Superior mesenteric venography was necessary for their visualization.

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