Aim. Reinterventions following previous ascending aorta and aortic arch repair are uncommon, but technically challenging and often burdened with high morbidity and mortality. The aim of this article is to present a single-center experience in the treatment of this complex pathology, using different surgical approaches. Methods. Between 1999 and 2014, 17 patients (14 males, mean age 73±16 years) underwent ascending aorta and aortic arch redo surgery at our Department. A prospectively maintained database including thoracic aortic procedures was reviewed retrospectively to collect data on redo patients. Results. In 13 cases the index procedure was an endovascular or hybrid procedure on the aortic arch performed at our Department, for an in-house reintervention rate of 6.9% (13/188). In 10 cases the cause of reintervention was stent-graft distal migration, treated by means of endovascular relining in all cases, associated with adjunctive supra-aortic trunks debranching via sternotomy in 6 cases. In 5 cases the cause of reintervention was retrograde ascending aortic dissection, in 1 case ascending aortic anastomotic pseudoaneurysm following supra-aortic trunk debranching, and in 1 case mediastinitis following implantation of an endovascular plug previously used to treat an ascending aortic pseudoaneurysm. In these last 7 cases, all patients were treated by means of ascending and arch surgical replacement under deep hypothermic circulatory arrest (DHCA) and antegrade cerebral perfusion (ACP). No 30-day mortality was observed. Major perioperative morbidity included 1 paraplegia, 1 minor stroke, 1 bleeding requiring reintervention, and 3 cases of respiratory failure requiring prolonged intubation (2) or tracheostomy (1). Conclusion. In our experience, incidence of serious complications requiring reinterventions following ascending aorta or aortic arch repair is not negligible. Redo surgery in ascending aorta and aortic arch is feasible in high-volume and experienced centers, as it often requires hybrid repair via midline sternotomy, or surgical replacement under DHCA and ACP
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