Journal
CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY
Volume 36, Issue 6, Pages 1443-1451Publisher
SPRINGER
DOI: 10.1007/s00270-013-0648-5
Keywords
Aorta; Aneurysm; Chimney technique; Endovascular repair
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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.
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