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International Angiology 2006 September;25(3):249-55


lingua: Inglese

Endovascular repair for thoracic aortic arch aneurysms

Caronno R. 1, Piffaretti G. 1, Tozzi M. 1, Lomazzi C. 1, Cuffari S. 2, Sala A. 3, Castelli P. 1

1 Division of Vascular Surgery, Department of Surgery, University of Insubria, Varese, Italy 2 Anesthesia and Palliative Care, University of Insubria, Varese, Italy 3 Division of Cardiac Surgery, Department of Surgery, University of Insubria, Varese, Italy


Aim. The aim of this study was to report our experience with total and subtotal endovascular stent-grafting combined with aortic arch branch surgical revascularization for thoracic aortic arch aneurysms in high-risk patients.
Methods. From December 2000 to June 2005, among 38 patients treated with thoracic stent-grafts in our department, 10 patients (9 men; mean age 71±6 years) at high risk for open repair were candidates for endovascular repair and/or aortic arch branch extra-anatomical reconstruction due to inadequate proximal landing zones. The left subclavian artery was over-stented 6 cases for zone 2 aneurysms, and partial or total arch stent-grafting with simultaneous revascularization of the arch branches was performed in 4 cases for zones 0-1 aneurysms.
Results. Primary technical success rate was 100%. In-hospital mortality rate was 10%. Neither paraplegia, nor acute renal failure were recorded. Immediate or late surgical conversion was never required. One type 1b was successfully treated with additional stent-graft and 2 type-2 endoleaks were sealed by coil embolization. Mean follow-up was 21-months (range 3-48 months); overall, survival rate at 12, 26, and 36 months was 90%, 60%, and 30%, respectively.
Conclusion. Endovascular repair for thoracic aortic arch aneurysms is feasible. However, our experience suggests stent-grafting is not free of risk, and long-term and larger follow-up is required.

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