Endovascular Repair of Type IV Thoracoabdominal Aneurysms

Abstract

Type IV thoracoabdominal aortic aneurysms are characterized by involvement of the visceral aortic segment which determines the lack of a proximal aortic neck suitable for the implantation conventional stents. Fenestrated stents have been specially developed for these cases. We describe the experience of a surgical center using fenestrated stents in six patients. All the stents were successfully implanted, respecting 20 visceral vessels. This approach is a valid alternative for patients who are at high risk for conventional surgery.