Arch replacement and downstream stent grafting in complex aortic dissection: first results of an international registry

Tsagakis, Konstantinos; Pacini, Davide; Di Bartolomeo, Roberto; Benedik, Jaroslav; Cerny, Stepan; Gorlitzer, Michael; Grabenwoger, Martin; Mestres, Carlos A.; Jakob, Heinz
January 2011
European Journal of Cardio-Thoracic Surgery;Jan2011, Vol. 39 Issue 1, p87
Academic Journal
Abstract: Objectives: Arch replacement combined with antegrade stent grafting of the descending aorta represents a hybrid surgical approach for extensive thoracic aortic disease. This multicentre study evaluates the early results of this method in complex aortic dissection (AD). Methods: Retrospective data acquisition was achieved by institution of an international registry. A hybrid stent graft with integrated vascular prosthesis for arch replacement (E-vita open®) was used. From January 2005 to March 2009, 106 patients (mean age 57; 77% male) with complex AD (55 acute, 51 chronic) were studied. Results: As many as 49/106 (46%) patients underwent emergency surgery. Stent-graft deployment and arch replacement (95 total, 11 subtotal) were performed under hypothermic circulatory arrest (HCA (8±6min) and selective antegrade cerebral perfusion (SACP) (74±23min). Stent-graft placement into the true lumen was successful in all but one case (99%). Ascending aortic replacement was performed in 91/106 (86%), aortic valve repair/replacement in 49/106 (46%), coronary artery bypass grafting (CABG) in 17/106 (16%) and mitral valve repair in 2/106 (2%). Cardiopulmonary bypass (CPB) and cardiac arrest times were 242±64 and 144±44min, respectively. In-hospital mortality was 12% (13/106; six acute, seven chronic AD) and new strokes observed in 5/106 (5%). The false lumen (FL) was evaluated in 96/106 (91%) patients postoperatively. At first follow-up computed tomography (CT)-examination, thoracic FL thrombosis was 93% (76 complete, 13 partial) and 58% (31 complete, 25 partial) in the thoraco-abdominal aorta. Conclusions: By combining arch replacement with downstream stent grafting, one-stage repair of complex aortic dissection with almost unanimous thoracic FL thrombosis can be achieved at acceptable perioperative risk.


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