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  ADVANCES IN THE MANAGEMENT OF DISEASES OF THE THORACIC AORTA 

The Journal of Cardiovascular Surgery 2012 April;53(2):135-41

Copyright © 2012 EDIZIONI MINERVA MEDICA

lingua: Inglese

Left subclavian artery coverage during TEVAR: is revascularization necessary?

Dexter D., Maldonado T. S.

Unit of Vascular Surgery, Department of Surgery, New York University Langone Medical Center, New York, NY, USA


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Thoracic endovascular aortic repair (TEVAR) has rapidly become a viable and accepted treatment option for atherosclerotic aortic aneurysms as well as a variety of other aortic pathologies including ulcers, dissection, coarctation and disruption. Left subclavian artery (LSA) coverage is often necessary to achieve proximal seal in up to 40% of patients treated with TEVAR. The management of the LSA in this cohort of patients remains controversial. Studies in support of routine pre-operative LSA revascularization show that coverage of the LSA during TEVAR is associated with an increased risk of stroke, paraplegia and arm ischemia. Other studies show that intentional coverage of the LSA without revascularization is not associated with increased morbidity and lends support to those who advocate more selective LSA revascularization during TEVAR (i.e. in those patients with patent LIMA-coronary bypass, dominant or isolated left vertebral artery, or a functioning left upper extremity (LUE) dialysis arteriovenous fistula). This paper is intended to review the literature comparing routine and selective LSA revascularization after TEVAR to determine the best management strategy.

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