Τετάρτη 20 Δεκεμβρίου 2017

Mystery ring: a case of TIPS stent migration

Description

We present a 50-year-old man with history of end-stage liver disease secondary to hepatitis C, who frequently presents to the hospital with ascites. He recently underwent Trans jugular Intrahepatic Portosystemic Shunt (TIPS) stent placement after becoming resistant to diuresis and large volume therapeutic paracentesis. He presented to the emergency room with altered mental status due to hepatic encephalopathy. On physical exam, he was noted to have a systolic murmur; hence, a transthoracic echocardiogram was ordered. It showed an echo dense ring-like shadow in the right atrium close to intra-atrial septum (figure 1). Transoesophageal echocardiogram was obtained for better visualisation, and it showed a migrated TIPS stent entering the right atrium from the inferior vena cava with its cephalad end close to the intra-atrial septum (figure 2). There was no evidence of mechanical complication related to stent migration by echocardiography. The patient declined percutaneous retrieval....



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