The indications are to decompress portal hypertension in the setting of esophageal varices or intractable ascites.
Sedation is commonly used to facilitate placement, although some proceduralists prefer general anesthesia because it limits patient movement, controls diaphragmatic excursion, and reduces the risk of aspiration.
Because of coagulopathy, patients may require clotting factors or platelets before the procedure.
Complications include the possibility of hemorrhage, which can occur in the presence of extrahepatic hepatic artery or portal vein puncture.