[摘要]目的探?急性冠状动脉综合征(ACS)患者经皮冠状动脉介入治疗(PCI)围术期血清脂蛋白磷脂酶A2(Lp_PLA2)水平改变及与主要不良心脏事件(MACE)的相关性。方法选取102例ACS患者,根据不同的类型分为三组:不稳定性心绞痛(UAP组)40例,ST段抬高型心肌梗死(STEMI组)26例,非ST段抬高型心肌梗死(NSTEMI组)36例;根据Gensini积分情况分为轻度组(Gensini积分≤20分)24例,中度组(20分40分)32例。并选取60例同期非冠心病患者作为对照组。分析ACS患者PCI围术期Lp_PLA2水平改变及与MACE的相关性。结果(1)术前ACS各组患者的Lp_PLA2水平均高于对照组(均P005)。(2)术前,中度组、重度组ACS患者Lp_PLA2水平均高于轻度组(均P http://
[关键词]急性冠状动脉综合征;血清脂蛋白磷脂酶A2;经皮冠状动脉介入治疗;主要不良心脏事件
中图分类号:R5414文献标识码:A文章编号:1009_816X(2017)06_0424_04
doi:103969/jissn1009_816x20170603Correlation Analysis for Changes of Lp_PLA2 and Major Adverse Cardiac Events in ACS Patients with Percutaneous Coronary Intervention during Perioperative Period. DENG Qi_yuan, HE Peng_cheng, WANG Jian_ping, et al Guangdong Provincial People's Hospital Nanhai Hospital, Guangdong 528251, China
[Abstract] Objective To explore the changes of serum lipoprotein phospholipase A2(Lp_PLA2) and its correlation to major adverse cardiac events(MACE)in acute coronary syndrome(ACS) patients with percutaneous coronary intervention(PCI)during perioperative period Methods 102 patients with ACS were selected, and divided into three groups, as unstable angina pectoris (UAP group) with 40 cases,ST elevation myocardial infarction (STEMI group) with 26 cases, non ST elevation myocardial infarction (NSTEMI group) with 36cases According to the Gensini score,they were divided into mild group (Gensiniscore≤20points) with 24 cases,moderate group (20 points40)with 32 cases. 60 patients without coronary heart disease at the same period were included to be the control group Preoperative, intraoperative and postoperative Lp_PLA2 levels were measured and their correlation to MACE were analysed Results (1)Before PCI, the level of Lp_PLA2 in ACS patients was higher than that in control group (P005) (2)Before PCI, the level of Lp_PLA2 in moderate and severe ACS patients were higher than that in mild group (P [Key words] Acute coronary syndrome; Serum lipoprotein phospholipase A2; Percutaneous coronary intervention; Major adverse cardiac events
据统计,冠心病发病率呈逐年上升趋势,冠心病引起的死亡人数占总死亡人数的12%左右[1],全世界每年死于冠心病的人数高达700万人,冠心病发展成为人类死亡的重要原因之一[2]。急性冠状动脉综合征(ACS)属于冠心病的严重类型,其包括不稳定型心绞痛和急性心肌梗死[3]。血清脂蛋白磷脂酶A2(Lp_PLA2)可以很好降解氧化型低密度脂蛋白,同时生成游离脂肪酸和溶血磷脂酰胆碱等促炎因子,是一种新型的炎性标记物。临床学者研究发现血清中Lp_PLA2的水平可以作为心肌缺血程度的独立风险预测因子[4]。基于ACS患者经皮冠状动脉介入治疗(PCI)后对Lp_PLA2的研究较少,因此本研究以探讨ACS患者PCI围术期Lp_PLA2水平改变及与主要不良事件(MACE)的相关性。
1资料与方法
11一般资料:收集2014年6月至2016年6月来我院诊治的ACS患者80例,患者均通过PCI治疗。根据诊断类型将所有患者分为不稳定型心绞痛(UAP组)30例、ST段抬高型心肌梗死(STEMI组)21例和非ST段抬高型心肌梗死(NSTEMI组)29例。根据患者Gensini积分分组为轻度组25例(Gensini积分≤20)、中度组32例(2040)。ACS患者诊断标准:(1)心电图动态改变;(2)心肌缺血症状;(3)心脏超声提示室壁减弱;(4)节段性运动异常;(5)肌钙蛋白升高;(6)至少一支冠状动脉狭窄>50%。患者排除标准:(1)冠心病史患者接受溶栓治疗;(2)心肌炎;(3)外科心脏手术史;(4)对治疗药物过敏或不耐受;(5)有恶性肿瘤或其他慢性病;(6)严重肝肾功能不全。对照组选择同期非冠心病患者80例。两组患者在年龄、性别、BMI指数、高血压史、糖尿病史等情况差异均无统计学意义(P>005)。本研究通?^医院伦理委员会的批准,所有患者均签署知情同意书。
12观察指标和方法:
121Gensini积分和MACE:在患者行PCI后选取两名有经验的医师对患者冠状动脉的前降支、回旋支、左主干和右支管腔的狭窄程度进行Gensini积分评分,Gensini评分标准[5]:1分(狭窄005)。不同组ACS患者间Gensini积分的差异具有统计学意义(P 综上所述,本研究发现术前ACS患者Lp_PLA2呈高水平状态,行PCI后明显回落,Lp_PLA2水平术前术后下降水平与MACE呈相关性。
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(收稿日期:2017_8_14)