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Congenital porto-systemic shunts (CPSS) are classified occurring to the position of the anastomose. If the anastomosis occurs outside of the liver, the shunt is considered to be extrahepatic. On the other hand, if the anastomosis is located within the liver, it is considered to be intrahepatic.
Fluoroscopic image of transjugular intrahepatic portosystemic shunt (TIPS) Selective shunts select non-intestinal flow to be shunted to the systemic venous drainage while leaving the intestinal venous drainage to continue to pass through the liver. The most well known of this type is the splenorenal. [34]
Transjugular intrahepatic portosystemic shunts are typically placed by an interventional radiologist under fluoroscopic guidance. [9] Access to the liver is gained, as the name 'transjugular' suggests, via the internal jugular vein in the neck.
A portacaval shunt (portal caval shunt) is a treatment for high blood pressure in the liver. A transjugular intrahepatic portosystemic shunt (TIPS) is an artificial channel within the liver that establishes communication between the inflow portal vein and the outflow hepatic vein. It is used to treat portal hypertension.
There are two major types of portacaval shunts. Side-to-side portacaval shunt: connects the side of the portal vein to the side of the inferior vena cava, creating a parallel bypass. The side-to-side shunt preserves some blood flow to the liver due to the connection being more upstream of the portal vein vs at the end of the portal vein.
Transjugular intrahepatic portosystemic shunt procedures, or TIPS involve decompressing the portal vein by shunting a portal venule to a lower pressure systemic venule, under guidance with fluoroscopy. Since it treats the root cause of portal hypertension gastropathy, it has been putatively used for the condition.
Survival with a transjugular intrahepatic portosystemic shunt (TIPS) versus a DSRS is thought to be approximately similar, [4] [5] but still an area of intensive research. [ 6 ] [ 7 ] Both TIPS and DSRS lead to decreased rates of variceal bleeding at the expense of hepatic encephalopathy ; however, TIPS appears to have more shunt dysfunction ...
A transjugular intrahepatic portosystemic shunt (TIPS) involves the decompression of the high pressures in the portal circulation by placing a small stent between a portal and hepatic vein. This is done through radiologically guided catheters which are passed into the hepatic vein either through the internal jugular vein or the femoral vein ...