Is a “petticoat” just cosmetic or like a “belt and suspenders”?

Although it is clear that proximal thoracic endografting has improved the management of dissections involving the descending thoracic aorta, there remain significant challenges with the management of this condition. In the acute setting, excluding patients with impending or frank rupture, it is the treatment of malperfusion that takes first priority. In the chronic phase, aneurysmal degeneration in the uncovered visceral and infrarenal aorta...