Hybrid repair of a Kommerell diverticulum associated with a right aortic arch and a left descending aorta

This report describes the first successful case of a hybrid endovascular approach for management of aneurysmal Kommerell diverticulum arising from the left descending aorta in a right aortic arch. This patient also had dilatation of the ascending aorta and a small aortic arch aneurysm. This three-step procedure consisted of (1) ascending aorta replacement with total debranching using a handmade quarto-branched composite graft; (2) endovascular exclusion of Kommerell diverticulum and the aortic arch aneurysm by covering the whole aortic arch; and (3) coil embolization against the root of the left subclavian artery. The patient had no complications at 16 months after completion.