The VIRTUE Post Marketing Surveillance Registry

Inclusion Criteria: * Patient will be more than or equal to 18 years of age; or older if required by local regulations. * Patient has an indication for treatment by either endovascular stent graft implantation for either an acute, sub-acute or chronic Type B dissection. * Patient is amenable for stent-graft treatment (in accordance with the IFU). * The patient is willing and able to cooperate with registry procedures and required follow-up visits. * The patient or legal guardian has signed a patient informed consent form, including data privacy authorization (this criteria is not applicable for patients presenting in emergency with ruptured dissection and for whom legal representative is not available informed consent can be requested after surgical procedure). Exclusion Criteria: * Patients with a thoracic dissection for which optimal treatment is observation and medical management. * Patient with current - non aortic - medical condition with a life expectancy less than one year. * The patient is participating in another device or drug study (patient must have completed the follow-up phase of any previous study at least 30 days prior to enrolment in this registry). * Time interval between medical indication for surgical intervention and endovascular procedure exceeds 4 months (122 days).