The use of carbon dioxide (CO 2 ) as a contrast agent for endovas- cular aortic repair (EVAR) provides a nephroprotective alternative to iodinated contrast media (ICM). However , concerns remain regarding potential radiation penalties arising from the technical requirements of digital subtraction angiography (DSA). 1—4 With increasing emphasis on radiation safety and sustainability in vascular practice, understanding and optimising radiation exposure in CO 2 guided procedures is of critical importance.
Dosimetric Impact and Best Practices for Carbon Dioxide Guided Endovascular Aortic Repair: Insights from the Multicentre Prospective Zero Iodine Contrast Endovascular Aortic Repair Study
Gian Franco VeraldiMembro del Collaboration Group
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2026-01-01
Abstract
The use of carbon dioxide (CO 2 ) as a contrast agent for endovas- cular aortic repair (EVAR) provides a nephroprotective alternative to iodinated contrast media (ICM). However , concerns remain regarding potential radiation penalties arising from the technical requirements of digital subtraction angiography (DSA). 1—4 With increasing emphasis on radiation safety and sustainability in vascular practice, understanding and optimising radiation exposure in CO 2 guided procedures is of critical importance.
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