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Had CABG-5 vessel after heart attack. Racing heart, dizziness, breathlessness, chest pain. Done stress test. Failed graft or new vein occlusion?

My dad had CABG 5-vessel in Jan 2011 after a heart attack a few days prior. About 4 ms after surgery he began hvng syncopal episodes of heart racing, dizzy, short of breath & slight chest pain . This always occurred after he had been outside and doing work, even as light as painting. A stress test done today revealed he is not getting enough blood flow to part of heart (inferior wall I think). He will hve heart cath done tomorrow, but they think its a blockage. His EF was 63%. Does this sound like a failed graft or new vein occlusion? What are his options?
Asked On : Sat, 11 Aug 2012
Answers:  2 Views:  70
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Cardiologist 's  Response
Thanks for your question.

Graft had been likely only if he had developed symptoms within 1 month of CABG.
But as you have mentioned that he developed symptoms 4 months after the surgery, therefore, thrombosis is more likely the answer. However, it could still be graft failure.

Hope that answers the question.
Answered: Sun, 7 Jul 2013
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Cardiologist Dr. Sukhvinder Singh's  Response
Dear Sir
Thanks for your query to us.
Both these possibilities can be there. It may be an occlusion of graft or it may be a new native artery occlusion. The options will depend upon the angiogram report. If it is a new lesion and vessel is angioplastable, angioplasty can be done but if it is a graft occlusion then angioplasty may not be that easy and that successful.
All the best
Answered: Fri, 5 Jul 2013
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