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Hybrid and endovascular approaches to the aortic arch

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Purpose of review The gold standard treatment for aneurysms and dissections involving the aortic arch remains open total arch replacement. High-risk operative candidates may benefit from hybrid or completely endovascular… Click to show full abstract

Purpose of review The gold standard treatment for aneurysms and dissections involving the aortic arch remains open total arch replacement. High-risk operative candidates may benefit from hybrid or completely endovascular techniques to reduce the risk of perioperative mortality and morbidity. Recent findings Numerous endografts are available for investigational use in the aortic arch as part of investigational device exemption (IDE) programs. Some are fenestrated or scalloped, whereas others are branched, ranging from single branch to triple branch stent-grafts. Initial results for completely endovascular repair of the aortic arch are encouraging. Current data estimates that rates of successful deployment of arch endografts ranges from 84.2% to 100%, whereas operative mortality may be as high as 13.2%, with stroke rates being as high as 20% and spinal cord ischemia being as high as 3.1%. Summary More data are necessary to compare hybrid and endovascular stent-grafting of the aortic arch to conventional open total arch replacement. Longitudinal follow-up is also lacking, which will determine the long-term durability of endografts in the aortic arch. However, endovascular repair represents an important opportunity for improving outcomes in high-risk patients with complex aneurysms and dissections of the aortic arch.

Keywords: arch; endovascular approaches; hybrid endovascular; approaches aortic; risk; aortic arch

Journal Title: Current Opinion in Cardiology
Year Published: 2022

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