C-Reactive Protein Elevation and Rapid Angiographic Progression of Nonculprit Lesion in Patients With Non-ST-Segment Elevation Acute Coronary Syndrome

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Background In non-ST-segment elevation acute coronary syndromes (NSTE-ACS), the relation of the level of high-sensitivity C-reactive protein (CRP) to the progression of atherosclerosis remains unclear. Methods and Results The study group comprised 153 patients with NSTE-ACS who underwent percutaneous coronary interventions (PCI) and follow-up (mean interval, 7 months) coronary angiography. Rapid progression was defined as ≥10% diameter reduction of a preexisting stenosis ≥50%, ≥30% diameter reduction of a stenosis <50%,development of a new stenosis ≥30% in a previously normal segment, or progression of any stenosis to total occlusion. Progressors had higher CRP levels on admission and at 48h after PCI, a higher level of low-density lipoprotein cholesterol at follow-up, a higher rate of multiple complex lesions, and a lower frequency of statin use at follow-up than nonprogressors. Multivariate analysis showed that admission CRP elevation (CRP level on admission ≥0.166mg/dl, median value; odds ratio (OR) 2.92, p=0.010), post-PCI CRP elevation (CRP level 48h after PCI ≥1.586mg/dl, median value; OR 2.67, p=0.022), and multiple complex lesions (OR 2.66, p=0.017) were independent predictors of rapid progression of nonculprit lesions. Conclusions Enhanced inflammatory response to PCI, as well as baseline inflammatory activity as reflected by CRP level, may be involved in the progression of atherosclerosis in NSTE-ACS.
社団法人日本循環器学会の論文
2008-11-20

C-Reactive Protein Elevation and Rapid Angiographic Progression of Nonculprit Lesion in Patients With Non-ST-Segment Elevation Acute Coronary Syndrome

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