Key result
A 42-year-old man experienced unusual, rapid, and recurrent stenosis and in-stent restenosis of a left internal mammary artery graft, which was successfully managed with repeated balloon angioplasty.
Case Report (n=1)
This case highlights the rare occurrence of rapid, recurrent restenosis in a left internal mammary artery (LIMA) graft requiring repeated angioplasty and stenting.
Rare rapid recurrent left internal mammary artery graft restenosis warrants clinical awareness; this case leaves open questions on mechanisms and prevention.
Coronary bypass grafts using the internal mammary artery usually have an excellent record of success and long term patency. We report a 42 year old man who initially presented with a history of atypical left sided chest pain, who had coronary artery bypass surgery for a severe stenosis in his proximal left anterior descending coronary artery (LAD) and moderate stenosis of his proximal circumflex artery, with his LIMA being grafted to his mid-LAD and a saphenous venous graft to the proximal LAD. He subsequently developed multiple stenoses in the LIMA graft which required coronary augioplasty and stenting, on more than one occasion, in view of very rapid restenosis within the LIMA graft.
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CGC Spencer (2001) conducted a case report in Left internal mammary artery graft stenosis and restenosis (n=1). Percutaneous transluminal coronary angioplasty (PTCA) and stenting was evaluated. A 42-year-old man experienced unusual, rapid, and recurrent stenosis and in-stent restenosis of a left internal mammary artery graft, which was successfully managed with repeated balloon angioplasty.
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