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Coronary artery bypass graft angiography 

Coronary artery bypass graft angiography
Chapter:
Coronary artery bypass graft angiography
Author(s):

Andrew R.J. Mitchell

, Nick E.J. West

, Paul Leeson

, and Adrian P. Banning

DOI:
10.1093/med/9780199295791.003.0006
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date: 15 November 2019

Types of operation 144

Procedure 146

Saphenous vein grafts 148

Competitive filling 150

Collateral filling 150

Arterial grafts 152

Most patients undergoing coronary artery bypass graft (CABG) in the last decade will have had a combination of arterial grafts and saphenous vein grafts (SVGs) or received total arterial revascularization. This is because conduit patency for mammary arterial grafts has been shown to be substantially higher than that of vein grafts. Within 3 months of CABG surgery, 8% of grafts will have obstructed, at 5 years up to 20% of SVGs will have obstructed and at 10 years only half remain patent. Over 90% of left internal mammary artery (LIMA) to left anterior descending (LAD) anastomoses however are patent 10–20 years post-operatively and significant stenoses are uncommon....

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