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Question:

How do you interpret results of a coronary flow reserve test? 

Hi, I was diagnosed with small vessel disease along with the big vessels. They did a coronary flow reserve test with my heart cath. The results were 1.1 in the SVG-OM with the same results in a native graft RCA of 1.1 Can you explain the numbers?  Thank you. 
  

submitted by Chris from Illinois on 9/17/2013

Answer:

Patrick J. Cook, MDby Texas Heart Institute cardiologist, Patrick J. Cook, MD    

Hard to advise without knowing the precise anatomy of the disease of the "big vessels". I am also not aware of the use of coronary flow reserve in saphenous vein grafts (SVG's).  The implication is that flow is normal in the SVG's; however,  I'm not sure you can say that, as the efficacy of coronary flow reserve is established only for native vessels. 

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Updated October 2013
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