Transjugular intrahepatic portosystemic shunt

Transjugular Intrahepatic Portosystemic Shunt (TIPS)

Transjugular Intrahepatic Portosystemic Shunt (TIPS) is a medical procedure that creates a channel within the liver to connect the portal vein to a hepatic vein, providing a pathway for blood to flow around a damaged liver. This article explains the TIPS procedure, its indications, methodology, and implications for patients with portal hypertension due to liver cirrhosis.

Illustration of a TIPS procedure connecting the portal and hepatic veins.

Indications for TIPS

TIPS is primarily indicated for the treatment of complications arising from Portal hypertension, which is often a consequence of liver cirrhosis. Portal hypertension can lead to:

• Intestinal and life-threatening esophageal bleeding (Esophageal varices)
• Buildup of fluid within the abdomen (ascites)

Endoscopic image of esophageal varices, a common indication for TIPS.

Understanding Portal Hypertension

Portal hypertension is an increase in blood pressure within the portal venous system, which can cause blood to flow backward, leading to severe complications. The underlying liver cirrhosis impairs normal blood flow through the liver, necessitating alternative pathways to relieve pressure.

The TIPS Procedure

The TIPS procedure involves the creation of a new channel within the liver to connect the inflow portal vein with the outflow hepatic vein.

Role of Interventional Radiology

Interventional radiology plays a pivotal role in the TIPS procedure. An interventional radiologist performs TIPS using an image-guided endovascular approach, which is minimally invasive compared to open surgery.

Access via the Jugular Vein

The procedure typically begins with access to the vascular system through the Jugular vein, after which a catheter and guidewire are maneuvered into the liver. Fluoroscopic imaging guides the creation of the channel within the liver tissue.

Post-Procedure Care

Following TIPS placement, patients usually require monitoring in a hospital setting. They also need regular follow-up imaging studies to ensure the stent remains open and functional.

Risks and Complications

While TIPS can significantly reduce the symptoms and complications of portal hypertension, it does come with potential risks, such as hepatic encephalopathy, stent malfunction, and hemodynamic changes.

Prognosis and Outcomes

TIPS has been shown to improve the quality of life for patients with refractory ascites and recurrent variceal bleeding when other treatments have failed. Long-term success often depends on careful patient selection and management of underlying liver disease.

See Also

• Portal vein
• Hepatic vein
• Liver cirrhosis
• Esophageal varices
• Ascites
• Hepatic encephalopathy
• Vascular stent
• Radiology
• Gastroenterology

External Links

• Society of Interventional Radiology
• American Association for the Study of Liver Diseases

Transjugular intrahepatic portosystemic shunt Resources
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