Why the study?
Does a hybrid antegrade repair with a stent-Dacron graft using the frozen elephant-trunk technique successfully treat complex acute type A aortic dissection with arch involvement?
Does a hybrid antegrade repair with a stent-Dacron graft using the frozen elephant-trunk technique successfully treat complex acute type A aortic dissection with arch involvement?
A hybrid approach using a new integrated stent-Dacron graft for the frozen elephant-trunk technique is a feasible and effective strategy for complex acute type A aortic dissection with arch involvement.
Supports feasibility in one case; hypothesis-generating and should not yet change practice for complex acute type A dissection.
A young male patient underwent supracoronary replacement of the ascending aorta for acute type A dissection under hypothermic circulatory arrest. After discharge, he was readmitted two weeks later due to severe aortic regurgitation and acute arch redissection. Under a second period of hypothermic circulatory arrest three weeks after the initial operation, radical treatment with aortic valve replacement, replacement of the ascending aorta and arch, together with antegrade deployment of a stent-graft in the true lumen for frozen elephant-trunk technique, were successfully performed. Computed tomography at four weeks showed complete proximal repair and thrombosis of the false lumen. Transesophageal echocardiography at eight weeks confirmed repair. The patient is currently leading an active life. A hybrid approach for complex cases of acute type A dissection with arch involvement can be considered for the future.
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Mestres et al. (2006) studied this question.
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