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Expression of platelet-leukocyte aggregates and its significance in aged patients with coronary heart disease
Author(s): 
Pages: 630-633
Year: Issue:  6
Journal: Chinese Journal of Cardiovascular Rehabilitation Medicine

Keyword:  Coronary diseasePlatelet activationPlatelet aggregation;
Abstract: 目的:探讨老年冠心病患者血小板-白细胞聚集体(PLA)的表达及其意义.方法:选择我院内科2010年1月至2012年12月期间收治的冠心病患者162例,分为稳定型心绞痛(SAP)组(92例),急性冠脉综合征(ACS)组(70例),选择同期非冠心病患者80例为正常对照组.比较3组间PLA、血小板-中性粒细胞聚集体(PNA)、血小板淋巴细胞聚集体(PLyA)和血小板-单核细胞聚集体(PMA)的水平,采用Spearman相关分析分析PLA与有关临床指标的相关性.结果:与正常对照组和SAP组比较,ACS组PLA[(2.23±1.20)%比(3.25±2.16)%比(4.36±2.65)%]、PMA[(15.3±7.6)%比(23.5±19.7)%比(32.4±19.6)%]、PNA[(1.85±0.89)%比(2.14±1.56)%比(3.64±4.65)%]和PLyA(1.38±0.78)%比(1.42±0.87)%比(2.06±1.28)%]水平显著升高(P均<0.01),且SAP组PLA、PMA水平显著高于正常对照组(P<0.01).Spearman相关性分析显示:冠心病患者PLA与血糖、甘油三酯呈正相关(r1=0.680,P1=0.030;r2=0.738,P2=0.015),与高密度脂蛋白胆固醇呈负相关(r=-0.722,P=0.018).结论:PLA、PMA水平升高提示可能有老年冠心病,甚至是急性冠脉综合征.
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