VIATORR® TIPS Study Evaluating 6-10mm Diameters (VIATIPS)

Inclusion Criteria: 1. The subject is eligible for treatment with the GORE® VIATORR® TIPS Endoprosthesis with Controlled Expansion 6-10mm for de novo TIPS creation. 2. The subject has cirrhotic portal hypertension. 3. The subject is ≥18 years of age. 4. The subject is capable of complying with protocol requirements, including follow up. 5. The subject or legal representative signed the informed consent form (ICF). Exclusion Criteria: 1. The subject has any portal vein thrombosis, including both occlusive and non-occlusive thrombosis. 2. The subject has received a liver transplantation. Patients on the transplant list are still eligible. 3. The subject has a life expectancy of less than 6 months. 4. The subject has extrahepatic or hepatic malignancy or a history of previous malignancy, unless treated curatively ≥5 years prior to enrollment. Subjects with non-melanoma skin cancer and/or carcinoma in situ of the cervix remain eligible. 5. The subject has inadequate functional hepatic reserve with a Model for End-Stage Liver Disease (MELD) Score of \> 25 or Child Pugh Score of \> 14. 6. The subject is enrolled in another investigational study, unless agreed in advance in writing by the Sponsor. 7. The subject is pregnant at the time of informed consent signature. 8. The subject has any other condition which in the judgement of the investigator would preclude adequate Study participation.