A different approach to multilayer flow modulator implantation in aortic aneurysm

Thoracoabdominal aortic aneurysms are commonly observed clinical conditions; if remain untreated, the aneurysms might grow larger and cause death due to rupture (1, 2). Since the early 1950s, open surgery approach has been used for the treatment (3). However, with developments in endovascular methods for the last 20 years, percutaneous treatment methods have become an alternative to open surgery. Percutaneous treatment methods have been increasingly used since they are shown to shorten the duration of intensive care and hospitalization and can be applied in patients with other system problems, can reduce blood loss and transfusion needs, and have lower rates of mortality and morbidity (3, 4). Certain special endovascular systems have been developed for treating complex aneurysms of the major side branches arising from or nearby the aneurysm sac. Fenestrated stent grafts (5), chimney technique and multilayer flow modulator (MFM) are among the best known endovascular systems (6, 7).