Progression of Non-Culprit Coronary Artery Atherosclerosis After Acute Myocardial Infarction in Comparison with Stable Angina Pectoris
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Aim: We previously found, using a mouse model, that activation of proinflammatory cytokines after acute myocardial infarction (AMI) augments neointimal hyperplasia of a remote artery. The present study assessed the progression of luminal narrowing of non-culprit coronary arteries (NCCA) in patients following AMI.<BR>Methods: The study group comprised 21 AMI patients successfully treated with bare-metal stents and 16 stable angina (SA) patients treated with sirolimus-eluting stents. Clinical backgrounds were similar for both groups. Quantitative coronary angiography was performed before and after stent implantation and at 6-months of follow-up.<BR>Results: We evaluated 126 non-culprit coronary segments (73 in AMI and 53 in SA). The minimum lumen diameter (MLD) (mm) of NCCA decreased significantly from 2.61±0.79 to 2.44±0.71 in the AMI group, but changed only slightly from 2.02±0.56 to 2.02±0.50 in the SA group. The absolute change in the MLD of NCCA was significantly greater (0.17±0.53) in the AMI, than in the SA (0.0070±0.261) group.<BR>Conclusion: luminal narrowing of non-culprit coronary segments progressed in AMI patients within 6 months of stent implantation, but progressed only slightly in SA patients.
- 一般社団法人 日本動脈硬化学会の論文
一般社団法人 日本動脈硬化学会 | 論文
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