Abstract
BackgroundAortic dissection (AD) represents a clinically uncommon aortic pathology which predicts a dismal prognosis if not promptly treated. In acute Debakey type I AD (ADIAD), aortic lesion extends from aortic root to even distal abdominal aorta among which aortic arch and its three main branches still remain a great surgical challenge for repair and reconstruction. Several decades have witnessed the painstaking efforts of cardiovascular surgeons across the globe for optimizing the surgical procedures, from total or hemi-arch replacement, “elephant trunk” technique to branched stent graft. However, operative mortality and morbidity still remain to be reduced and surgical strategy is to be advanced and simplified, particularly the repair and reconstruction of aortic arch and supra-aortic vessels.MethodsIn this paper, we reviewed the relevant literature concerning recent advances in surgical intervention of aortic arch and summarized our opinions in the application of branched stent graft in ADIAD.ResultsThe operative strategy for acute Debakey type I aortic dissection still remain to be advanced and simplified, especially the repair and reconstruction of aortic arch and supra-aortic vessels. For selection of branched stent grafts, the anatomic features and pathological changes of diseased arch are the crucial factors for clinical decision making.ConclusionsBranched stent graft is potentially an effective alternative for the treatment of type I AD with diseased aortic arch and supra-aortic vessels. The selection of branched stent grafts still remains to be further discussed in large-scale studies in the future.
Highlights
Aortic dissection (AD) represents a clinically uncommon aortic pathology which predicts a dismal prognosis if not promptly treated
AD predicts a dismal prognosis and half of the patients with Stanford type A AD fail to survive within the first twenty four hours after onset if not treated promptly, most of whom die of massive bleeding, cardiac tamponade, severe aortic regurgitation and acute heart failure [6]
Debakey type I AD is defined as original intimal flap situated in ascending aorta or aortic arch which extends distally to aortic arch, descending aorta and even distal end of abdominal aorta
Summary
The operative strategy for acute Debakey type I aortic dissection still remain to be advanced and simplified, especially the repair and reconstruction of aortic arch and supra-aortic vessels. For selection of branched stent grafts, the anatomic features and pathological changes of diseased arch are the crucial factors for clinical decision making
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