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作 者:张静 赵茹[2] 丛洪良[2] 肖健勇[2] 李作成[2] 张迎怡[2] 胡越成[2] 曹路[2] 李曦铭[2] 郑君毅[2] 周津[2]
机构地区:[1]天津医科大学研究生院,天津市300070 [2]天津市胸科医院
出 处:《中国循环杂志》2014年第4期252-255,共4页Chinese Circulation Journal
基 金:天津市卫生局课题(2010KZ63)
摘 要:目的:通过iMAP-血管内超声(iMAP—IVUS)分析动脉粥样硬化斑块成分,探讨高敏C反应蛋白(hs—CRP)与易损斑块问的相关性。方法:连续筛选于我院心内科住院治疗,需接受择期冠状动脉(冠脉)造影(CAG)或经皮冠脉支架置入术并完成血管内超声(IVUS)的急性冠脉综合征(ACS)患者189例,所有患者于入院时检测hs—CRP,根据hs—CRP水平将患者分为两组:低水平组:hs—CRP≤3mg/L;高水平组:hs—CRP〉3mg/L,分析两组患者CAG及IVUS影像学结果。结果:①与低水平组患者相比,高水平组患者有更高的白细胞、肌酐、肌酸激酶MB同工酶(CK—MB)及B型利钠肽(BNP)水平(P〈0.05),其hs—CRP及超敏肌钙蛋白(cTnI)显著高于低水平组(P〈0.01)。②高水平组患者病变含有较少的钙化成分(P=O.002)、更多的坏死核心(P〈0.001)及更高的薄纤维帽斑块(TCFA)发生率(P=O.003)。③hs—CRP是TCFA的独立预测因子(比值比:2.457,95%CI:1.34~4.49,P=0.003)。结论:经iMAP~血管内超声证实,hs—CRP与ACS患者易损斑块有良好的相关性,可作为预测易损斑块的炎性标志物。Objective: To assess the relationship between high sensitivity C-reactive protein (hs-CRP) and vulnerable plaques in patients with acute coronary syndrome (ACS) by intravascular ultrasound (IVUS). Methods: A total of 189 ACS patients who received elective CAG, PCI and 1VUS in our hospital were analyzed. The hs-CRP level was examined at admission and the patients were divided into 2 groups. Low hs-CRP (43 mg/L) group, n=117 and High hs-CRP (〉3 mg/L) group, n=72. The CAG, IVUS imaging and hs-CRP levels were compared between 2 groups. Results: Compared with Low hs-CRP group, the High hs-CRP group presented significantly increased WBC, serum creatinine, creatine kinase MB (CK-MB), BNP and cardiac troponin I (cTnl), all P〈0.05. The plaques in High hs-CRP group had less calcification (P=0.002), more necrosis in the core (P〈0.001) and more frequency of thin-cap fibroatheroma (TCFA) (P=0.003). hs-CRP was an independent predictor of TCFA (OR=2.457, 95% CI 1.34-4.49, P=0.003). Conclusion: IVUS indicated that hs-CRP is obviously related to vulnerable plaque component in ACS patients and it could be used as the inflammatory biomarker for vulnerable plaques.
分 类 号:R541[医药卫生—心血管疾病]
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