A member asked:

Have you use co2 in your practice and has the outcome been just as good as contrast dye. do contrast dye need to be used to confirm patency afterwards?

A doctor has provided 1 answer
Dr. Geoffrey Rutledge answered

Specializes in Internal Medicine

CO2 contrast: Understand you are asking about CO2 angiography as an alternate to contrast dye-angiography. It is reported to result in images that are somewhat lower in quality. Patency demonstrated via CO2 angiogram would not need to be confirmed with dye - the reason to use CO2 is lost if it is followed by infusion of dye!

Answered 6/10/2017

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