Novel Approach to treating a COVID-19 positive patient with a Complex Arch and Descending Aneurysm and Dissection in whom open surgery is prohibitive.

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Ascending aortic and arch aneurysms are a challenging group of pathologies for surgeons. These typically require a complex open repair, including hypothermic circulatory arrest and carry a high peri-operative risk. Outcomes are best when performed in centers with significant experience and expertise. Many patients, because of co-morbidities, are at a prohibitive risk for these open surgeries. Thoracic endovascular aortic repair (TEVAR) has become the preferred treatment of most acute descending thoracic aortic pathologies.[1] However, these require strict anatomic criteria to be successful and are usually confined to the distal arch and descending thoracic aorta. There are no commercially available endovascular devices in the United States to treat this patient population with ascending or proximal arch aneurysms or dissections, especially in an urgent or emergent setting, whose anatomy does not meet criteria for standard TEVAR. We present a novel endovascular approach, including a cerebral protection strategy, to treat a complex arch aneurysm and dissection in a patient who was not a candidate for an open repair.