Abstract
A 48-year-old man with coronary artery disease had undergone two-vessel coronary artery bypass graft surgery (right internal mammary artery to posterior descending artery; saphenous vein graft to obtuse marginal artery) in 1999. In 2003, an angiography for angina demonstrated an occluded vein graft, which necessitated stenting of the native left circumflex artery. In 2005, recurrence of chest pain prompted a repeat angiography that revealed patency of the circumflex stent. The right internal mammary artery graft was also patent; however a focal narrowing in the mid segment, consistent with a “kink” in the graft, was evident (Fig 1A,black arrow).
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