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Angiologia e Cirurgia Vascular

versão impressa ISSN 1646-706X

Resumo

COELHO, Nuno Henriques et al. Home-made frozen stented elephant trunk for acute arch dissection: an hybrid off-the-shelf treatment in an emergency setting. Angiol Cir Vasc [online]. 2021, vol.17, n.3, pp.264-268.  Epub 30-Set-2021. ISSN 1646-706X.  https://doi.org/10.48750/acv.422.

Introduction:

Involvement of the ascending/aortic arch in the thoracic aorta pathology can preclude thoracic endovascular aortic repair (TEVAR) due to the absence of an adequate proximal landing zone. Hybrid interventions combining ascending/aortic arch replacement with TEVAR of the descending thoracic aorta (DTA) are associated with good outcomes. Despite the existence of dedicated devices (E-vita®, Thoraflex®), they may not be available in good time in emergent cases that might require inventive solutions, like the one we present.

Case Report:

A 53-year-old hypertensive, active smoker male was admitted due to a non-A-non-B acute aortic dissection, complicated with a contained rupture at the aortic isthmus and a left haemothorax. Considering the absence of a secure proximal landing zone we decided on an aortic arch replacement and frozen stented elephant trunk using off-the-shelf devices. Debranching of the innominate and left common carotid arteries was performed with a 16×8mm bifurcated graft. The aortic arch replacement was performed with a 28 mm Dacron, under hypothermic circulatory arrest. A 30×30×157mm stent graft was anterogradely advanced to the DTA, under direct vision, with its proximal part parked at the level of the Dacron anastomosis. The proximal arch anastomosis was completed at the level of the sinotubular junction. Completion angiography revealed appropriately reconstructed aortic arch, successful exclusion of the entry tear and rupture site, as well as adequate renal and visceral perfusion. The patient had an uneventful postoperative course, being discharged on postoperative day 23. Control CTA demonstrated successful arch reconstruction, true lumen expansion and no signs of complications.

Conclusion:

This hybrid approach with off-the-shelf devices was successful and avoided the cumulative morbidity of an additional left thoracotomy as the technical difficulty of a full open surgery in this setting. In the absence of readily available dedicated devices, hybrid techniques will undoubtedly play a role in the treatment of acute aortic syndromes. The existence of an “Aortic Team” available to evaluate, decide and combine the expertise of cardiothoracic and vascular surgery was essential in this case.

Palavras-chave : Non-A non-B acute aortic dissection; Aortic rupture; Frozen-Stented Elephant Trunk.

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