Radiology, Vol 182, 731-734, Copyright © 1992 by Radiological Society of North America

ARTICLES

Portal vein stenosis complicating liver transplantation in children: percutaneous transhepatic angioplasty

NK Rollins, EG Sheffield and WS Andrews
Department of Radiology, University of Texas Southwestern Medical School, Dallas.

Portal vein stenosis complicating orthotopic liver transplantation in children is uncommon. The authors report their early experience with transhepatic portal vein angioplasty in the treatment of portal vein stenosis in this setting. The technique was used in two children (aged 2 and 6 years) who had undergone liver transplantation for biliary atresia 15 and 42 months earlier, respectively. Both patients presented with chronic anemia and intermittent gastrointestinal bleeding. The diagnosis of portal vein stenosis was confirmed at fine-needle splenoportography. Access to the portal venous system was gained by means of a transhepatic approach. Low-profile angioplasty balloon catheters were used to dilate anastomotic strictures of the portal vein in both children. At the end of the procedure, the tract within the liver was occluded with gelatin sponge pledgets. Both procedures were technically successful and caused no complications, and in both patients gastrointestinal bleeding ceased.

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