Key result
Reconstruction of the left subclavian artery during TEVAR using hybridization, chimney, windowing, or branch stenting techniques provides effective, individualized treatment for acute Stanford type B aortic dissection.
Why the study?
During TEVAR for Stanford type B aortic coarctation, left subclavian artery coverage is associated with complications, making preservation or reconstruction of arch branch arteries a key challenge.
TEVAR combined with LSA reconstruction techniques provides a minimally invasive and effective approach for managing complex acute Stanford Type B aortic dissection with inadequate proximal landing zones.
Aortic coarctation is a fatal cardiovascular disease. For Stanford type B aortic coarctation, aortic endovascular isolation (TEVAR) is currently the treatment of choice and is far less invasive than open surgery. Standard TEVAR involves the use of a stent graft to cover the proximal breach, which prevents the expansion of the false lumen and promotes its thrombosis, which in turn leads to therapeutic results. During implantation of endovascular grafts, Left Subclavian Artery (LSA) coverage has been associated with the development of a variety of complications, including stroke, spinal cord ischemia, upper extremity ischemia, etc. Therefore, the key to endoluminal treatment of aortic arch disease lies in the preservation or reconstruction of the branching arteries over the arch. Currently, most medical centers in China tend to reconstruct the LSA. This article provides a review of the methods and advantages and disadvantages of reconstructing the LSA in TEVAR, as well as a prospective view of reconstructing the supra-arch artery in the future.
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Gong et al. (2025) conducted a review in Acute Stanford Type B Aortic Coarctation (Dissection). Left Subclavian Artery (LSA) reconstruction techniques in TEVAR was evaluated. Reconstruction of the left subclavian artery during TEVAR using hybridization, chimney, windowing, or branch stenting techniques provides effective, individualized treatment for acute Stanford type B aortic dissection.
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