Inclusion Criteria:  patient adult ( ≥18 years) of either sex, patients who underwent a complex aortic procedure requiring a branched endograft via total transfemoral approach in the centers involved in the TORCH2 Registry  Exclusion Criteria:  patients who did not receive treatment via total transfemoral approach, patient with bleeding diathesis or coagulopathy, patients with active systemic or cutaneous infection or inflammation, patients who are pregnant or lactating, patient younger than 18 years of age. Absence of at least one imaging follow-up within the first post-operative year