Serum Concentrations of High-Sensitivity C-Reactive Protein Predict Progressively Obstructive Lesions Rather Than Late Restenosis in Patients With Unstable Angina Undergoing Coronary Artery Stenting

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概要

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• Background The present study tested the hypothesis that high-sensitivity C-reactive protein (hs-CRP) concentrations might show significant serial changes in patients with unstable angina (UAP), and that elevation of hs-CRP might indicate a progressively obstructive lesion, rather than late restenosis in such patients undergoing coronary stenting. Methods and Results Serum concentrations of hs-CRP in 168 patients with UAP undergoing coronary stenting for a new obstructive lesion were prospectively measured (pre-procedure, and on days 21, 90, and 180 post-procedure). The hs-CRP concentrations were also evaluated in 30 at-risk controls and 50 healthy volunteers. Moderately obstructive lesions of non-culprit vessels (defined as ≥50-69% stenosis) that were not treated by coronary angioplasty were found in 107 (63.7%) patients. The hs-CRP concentration was significantly higher at pre-procedure in the study patients than in the controls and healthy volunteers (all p-values <0.0001) and markedly declined after the procedure (p<0.0001). Pre-procedure (p=0.799) and post-procedure hs-CRP concentrations (all p-values >0.1) did not differ between restenotic and non-restenotic patients. However, at pre-procedure or on day 180, the concentration of hs-CRP was independently associated with progressively obstructive lesions of non-culprit vessels that required coronary angioplasty (both p-values <0.05). Conclusion The hs-CRP concentration was significantly higher at pre-procedure and declined substantially thereafter in patients with UAP following coronary stenting. There was no evidence of a positive association between an elevated hs-CRP concentration and late restenosis. However, both the pre-procedure and day 180 concentrations of hs-CRP were strongly associated with the progression of moderately obstructive lesions in non-culprit vessels.

• 社団法人日本循環器学会の論文
• 2005-09-20

著者

• Yeh Kuo

  Division Of Cardiology Chang Gung Memorial Hospital

• Yip Hon

  Division Of Cardiology Chang Gung Memorial Hospital

• Cheng Cheng

  Division Of Cardiology Chang Gung Memorial Hospital

• Chen Yen

  Division Of Cardiology Chang Gung Memorial Hospital

• Hung Wei

  Division Of Cardiology Chang Gung Memorial Hospital

• Chen Shyh

  Division Of Cardiology Chang Gung Memorial Hospital

• Yang Cheng

  Division Of Cardiology Chang Gung Memorial Hospital

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• Serum Concentrations of High-Sensitivity C-Reactive Protein Predict Progressively Obstructive Lesions Rather Than Late Restenosis in Patients With Unstable Angina Undergoing Coronary Artery Stenting

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