Author:

Keywords:

Aortic Aneurysm, Blood Vessel Prosthesis, Blood Vessel Prosthesis Implantation, Endovascular Procedures, Humans, Prosthesis Design, Stents, Treatment Outcome, 1102 Cardiorespiratory Medicine and Haematology, Nuclear Medicine & Medical Imaging, 3201 Cardiovascular medicine and haematology

Abstract:

The chimney technique in endovascular aortic aneurysm repair (Ch-EVAR) involves placement of a stent or stent-graft parallel to the main aortic stent-graft to extend the proximal or distal sealing zone while maintaining side branch patency. Ch-EVAR can facilitate endovascular repair of juxtarenal and aortic arch pathology using available standard aortic stent-grafts, therefore, eliminating the manufacturing delays required for customised fenestrated and branched stent-grafts. Several case series have demonstrated the feasibility of Ch-EVAR both in acute and elective cases with good early results. This review discusses indications, technique, and the current available clinical data on Ch-EVAR.