Please assess the completion status of the following clinical trial:

Trial Title: Study of Prognostic Factors in Aortic Dissection Type B

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Patients over 18 years old~* Chronic type B aortic dissection, without surgical treatment~* Medically treated patient~* Medical treatment since more than 1 month and less than 5 years~* Aortic dissection localization : below left subclavian artery and alow femoral artery~* Affiliation to a social security system~* Patient who have given informed consent~Exclusion Criteria:~* History of malignant pathology~* Aortic dissection since less than 1 month or more than 5 years~* Inflammatory or infectious disease of the aorta~* Uncontrolled infectious disease~* Iodine Allergy~* Severe renal insufficiency (cockcroft clearance \<30 mL/min)~* Patient under guardianship or curators~* Any associated medical or psychological condition wich could compromise the patient's ability to participate in the study~* Inability to be submitted to the study follow-up for geographical, social or psychological reasons~* Current pregnancy or lack of effective contraception during their reproductive years~* Suckle

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Based on this trial design, predict the completion outcome and termination type (if applicable).