急性冠状动脉综合征患者N末端B型钠尿肽前体和肌钙蛋白Ⅰ水平与冠状动脉病变的关系

目的探讨急性冠状动脉综合征患者血清N末端B型钠尿肽前体(NT-proBNP)和肌钙蛋白I(cTnI)含量与冠状动脉病变程度的关系。方法选择急性冠状动脉综合征患者98例,分为急性ST段抬高心肌梗死(STEMI)组46例,急性非ST段抬高心肌梗死(NSTEMI)组16例,不稳定性心绞痛(UAP)组36例,均于入院时或发病24 h内测定患者血清NT-proBNP、cTnI含量,冠状动脉造影了解冠状动脉病变情况,并行心脏彩色多普勒超声检测,以评估患者的心功能。结果与UAP组比较,STEMI组和NSTEMI组NT-proBNP明显升高;与NSTEMI组比较,STEMI组cTnI明显升高(P<0.05)。NT-proBNP与冠状动脉病变积分呈正相关(r=0.156,P<0.05),与LVEF呈负相关(r=-0.196,P<0.01);cTnI与冠状动脉病变积分呈正相关(r=0.247,P<0.01)。结论急性冠状动脉综合征患者NT-proBNP与cTnI无关,但两者均可反映冠状动脉病变的严重程度。NT-proBNP的高低能反映患者的心功能状态,cTnI则与心功能无关。     

Association between paraoxonase 1 activity and severity of coronary artery disease in patients with acute coronary syndromes

OBJECTIVE: We sought to investigate serum paraoxonase/arylesterase activities in patients with acute coronary syndromes (ACS) and their correlations with the severity and extent of coronary artery disease (CAD). METHODS AND RESULTS: Three groups of patients were investigated: 89 patients with ACS, 54 patients with normal coronary angiograms (no-CAD group), and 27 healthy comparison subjects. ACS patients were divided into three groups according to their clinical presentation: unstable angina pectoris (UAP, Braunwald III-B, n = 31), non-ST elevation myocardial infarction (NSTEMI) (n = 27), and ST-elevation myocardial infarction (STEMI) (n = 31). Serum paraoxonase/arylesterase activities were measured spectrophotometrically. Angiographic CAD extent was expressed both by the number of vessels diseased and by the Gensini scoring system. Results showed that serum paraoxonase/ arylesterase activities and the paraoxonase/high density lipoprotein-cholesterol (HDL-C) ratio were significantly lower in the STEMI, NSTEMI, UAP groups than in no-CAD and control groups. Serum paraoxonase/arylesterase activities and paraoxonase/HDL-C ratio were reduced in patients with 2-vessel disease (VD) and 3-VD compared to the I-VD and no-CAD group (P < 0.001). In patients with ACS, the Gensini score correlated inversely with serum paraoxonase (r = -0.419, P < 0.001), arylesterase (r = -0.492, P < 0.0001), and the paraoxonase/HDL-C ratio (r = -0.377, P < 0.001). Serum arylesterase (r = 0.161, P = 0.03) and paraoxonase (r = 0.135, P = 0.002) activities were positively correlated with HDL-C levels. Serum arylesterase activity (P < 0.0001), gender (P = 0.0037), diabetes mellitus (P = 0.005) and LDL-C levels (P = 0.03) were independent predictors of CAD presence. CONCLUSIONS: Serum paraoxonase/arylesterase activities are reduced in ACS patients and inversely correlated with the severity of CAD.     

炎症因子CTRP1血清水平与冠心病的研究

目的:探讨补体C1q肿瘤坏死因子相关蛋白1(CTRP1)血清水平与稳定型心绞痛(SA)和急性冠脉综合征(ACS)的关系。方法:将1263例在我院接受冠状动脉造影的患者分为正常对照组(n=396)、SA组(n=451)和ACS组(n=416)。再将ACS组分为ST段抬高型心梗组(STEMI)和不稳定型心绞痛/非ST段抬高型心梗(UA/NSTEMI)组。采用酶联免疫吸附法(ELISA)检测血清CTRP1水平。结果:ACS组血清CTRP1水平明显高于其他两组,SA组血清CTRP1水平显著高于正常对照组。STEMI组血清CTRP1水平显著高于UA/NSTEMI组(P<0.01)。SA亚组分析显示,多支病变组血清CTRP1显著高于单支病变组。冠心病患者血清CTRP1水平与肿瘤坏死因子-α(TNF-α)、高敏C反应蛋白(hsCRP)水平呈正相关。结论:CTRP1可能参与冠心病发病。     

高敏C反应蛋白与急性冠脉综合征的相关性

目的：探讨高敏C反应蛋白（hsCRP）与急性冠脉综合征（ACS）病变严重程度及预后之间的关系。方法：选择95例ACS患者,其中急性心肌梗塞（AMI）50例、不稳定型心绞痛（UAP）45例,并根据冠脉病变程度分单支血管病变（SVL）组48例和多支血管病变（MVL）组47例。另选40例非ACS患者作为非ACS对照组,测定各组hsCRP、纤维蛋白原、血脂等指标,进行比较。结果：与非ACS对照组比较,UAP组、AMI组hsCRP水平明显升高[（0.85±0.49）mg/L比（10.01±1.73）mg/L比（52.73±2.39）mg/L,P〈0.01],AMI组明显高于UAP组（P〈0.01）;MVL组hsCRP水平明显高于SVL组[（69.11±1.98）mg/L比（10.12±2.01）mg/L,P〈0.05]。Spearman相关分析显示,hsCRP与冠脉狭窄呈正相关（r=0.210,P=0.042）,与纤维蛋白原（r=0.516,P〈0.0001）、血脂水平呈明显正相关（r=0.100～0.159,P〈0.001～〈0.0001）。结论：高敏C反应蛋白与冠脉病变严重程度呈正相关,是冠心病的独立危险因素;测定高敏C反应蛋白水平对急性冠脉综合征的危险分层和预测病变严重程度具有较高的临床参考价值。     

血清新碟呤与急性冠脉综合征患者冠脉病变程度的相关性

目的:分析血清新碟呤(neopterin,Npt)对评估急性冠脉综合征(ACS)冠状动脉病变的临床价值。方法:经冠状动脉造影(CAG)确诊的126例ACS患者,依据临床类型分为:ST段抬高型心肌梗死(STEMI)组45例,非ST段抬高型心肌梗死(NSTEMI)组40例,不稳定型心绞痛(UAP)组41例。采用ELISA法测定并比较各组血清Npt、白细胞介素-8(IL-8)及超敏C反应蛋白(hs-CRP)水平,分析其与冠状动脉病变类型及斑块类型的关系。结果:血清Npt浓度在STEMI组中高于NSTEMI及UAP组(P<0.05),而IL-8及hs-CRP在3组中无显著差异。血清Npt浓度在冠脉复杂病变中显著高于冠脉简单病变与冠脉临界病变(P<0.05),而IL 8及hs CRP在3种病变中无显著差异。Ⅱ型、Ⅲ型斑块患者中血清Npt浓度高于Ⅰ型斑块患者(P<0.05),而IL-8及hs-CRP在3种斑块类型中无显著差异。结论:血清Npt与冠脉综合征患者冠脉病变程度相关,可能成为有效评估ACS患者冠脉病变程度的一个指标。     

白细胞及其亚型与冠心病分型的相关性及其临床意义

目的 研究不同冠心病类型与白细胞总数、中性粒细胞及中性粒细胞与淋巴细胞比例（NLR）的相关性及其临床意义。 方法 入选行冠脉造影确诊冠心病的患者1 058例,分为急性冠脉综合征（ACS）组（n=774）和稳定型心绞痛组（SAP）组（n=284）。ACS组内又分为急性ST段抬高型心肌梗死（STEMI）亚组（n=362）、急性非ST段抬高型心肌梗死（NSTEMI）亚组（n=136）和不稳定型心绞痛（UAP）亚组（n=276）。比较ACS组和SAP组及ACS组内3个亚组的白细胞及其亚型（中性粒细胞、NLR）的差异,并分析其与肌钙蛋白（cTn） I峰值、冠状动脉病变范围的相关性,采用ROC曲线确定各白细胞指标诊断冠心病各临床类型的截断点（cut of value）并计算灵敏度和特异度。 结果 ACS组的白细胞总数、中性粒细胞百分比、中性粒细胞绝对值、NLR均显著高于SAP组（P<0.05）。STEMI亚组白细胞相关4项指标均显著高于NSTEMI组及UAP组（P<0.05或P<0.01）,NSTEMI组也均显著高于UAP组（P<0.05或P<0.01）;白细胞总数、中性粒细胞绝对值、NLR与cTnI峰值呈正相关（P<0.05）,与冠状动脉的病变范围均无相关性;NLR诊断ACS与SAP的截断点为3.00（灵敏度55.9%,特异度85.0%）,诊断STEMI与NSTEMI的截断点为4.90（灵敏度50.8%,特异度82.4%）,诊断心肌梗死与UAP的截断点为4.81（灵敏度44.0%,特异度91.7%）。 结论 不同临床类型的冠心病患者白细胞及其亚型存在差异,其与肌钙蛋白峰值呈正相关性,与冠状动脉病变范围无关,能较准确地区分冠心病类型,尤其是NLR具有较高的特异性。     

Wnt-1和DKK-1在早发急性冠脉综合征中的变化及意义

目的探讨血清Wnt-1和Dickkopf-1（DKK-1）与早发急性冠脉综合征的关系。方法根据病情严重程度将年龄〈40岁的急性冠脉综合征患者分为不稳定型心绞痛组（UAP组,77例）、非ST段抬高型心肌梗死组（NSTEMI组,67例）和ST段抬高型心肌梗死组（STEMI组,46例）;选年龄相匹配的冠状动脉造影正常者作为对照组（40例）。ELISA法测定血清Wnt-1和DKK-1水平,比较各组间的差异,并与病情严重程度作相关性分析。结果UAP组、NSTEMI组和STEMI组血清Wnt-1水平分别为63．9-471.3（平均153．8）、46．9-392．4（平均118．2）和31．2～311．8（平均90．7）ng／ml,明显低于对照组的84．9-302．6（平均203．1）ng／ml（P〈0．05）。血清DKK-1水平各组间差异无统计学意义。相关性分析显示,血清Wnt-1水平与冠心病严重程度呈明显负相关（r=-0．266,P〈0．01）。结论血清Wnt-1水平与早发急性冠脉综合征有相关性,可以反映冠心病的严重程度。     

髓过氧化物酶活性升高在急性冠状动脉综合征患者中的临床意义

目的探讨急性冠状动脉综合征(ACS)患者血清髓过氧化物酶(MPO)活性变化的临床意义。方法采用比色法测定实验组和对照组血清MPO活性。结果(1)ACS包括不稳定型心绞痛/无ST段抬高的心肌梗死(UAP/NSTEMI)和ST段抬高的心肌梗死(STEMI)患者血清MPO活性明显升高,与正常对照组(Control组)、稳定型心绞痛(SAP)组比较有显著性差异(P<0.001)。STEMI患者血清MPO活性高于UAP/NSTEMI(P<0.001)。(2)SAP血清MPO活性高于Control组(P<0.001)。(3)ACS患者接受经皮冠状动脉介入治疗(PCI)术后MPO活性较术前显著升高(P<0.001)。(4)ACS患者血清MPO活性与白细胞计数(WBC)呈正相关(r=0.619,P=0.001),与年龄、性别、高敏感C反应蛋白、总胆固醇、低密度脂蛋白、高密度脂蛋白、三酰甘油无相关性。结论血清MPO活性升高可能与ACS的发生有关。MPO是一种预测ACS的炎症标志物。     

急性冠脉综合征患者血清C反应蛋白和白细胞介素10的水平及其意义

目的：探讨急性冠脉综合征（ACS）患者血清高敏C反应蛋白（hsCRP）和白细胞介素10（IL-10）水平的变化及其临床意义。方法：ACS患者48例,其中急性心肌梗塞（AMI）17例,不稳定性心绞痛（UAP）31例,稳定性心绞痛（SAP）18例,健康对照者20例,以免疫散射比浊法测定hsCRP,酶联免疫吸附法钡4定IL-10水平,ACS患者均行冠脉造影。分析冠脉病变程度与血清hsCRP、IL-10水平的关系。结果：ACS患者血清hsCRP水平明显高于SAP患者和正常对照组（P〈0．01）,而血清IL—10水平明显低于SAP患者和正常对照组（P〈0．01）,但AMI患者血清IL-10水平高于UAP患者（P〈0．05）;ACS患者hscRP／IL-10比值（hsCRP／IL-10比值是一种表达斑块炎症及不稳定的准确指标）明显高于SAP患者和正常对照组（P〈0．01）,AMI患者的高于UAP患者,UAP的又高于SAP（P均〈0．01）;ACS患者hsCRP水平与IL-10水平成负相关（r=-0．52,P〈0．01）,hsCRP和IL-10水平与冠脉狭窄程度均无相关性。结论：ACS患者血清hsCRP水平升高,IL-10水平降低,二者比例失衡。可能是冠状动脉粥样硬化斑块不稳定的标志。     

联合检测氨基末端脑钠肽前体和高敏C反应蛋白与冠脉病变程度的相关性研究

目的探讨急性冠脉综合征(ACS)患者冠状动脉粥样硬化程度和血浆氨基末端脑钠肽前体、高敏C反应蛋白水平之间的相关性。方法 ACS患者120例均行冠状动脉造影术,分为不稳定型心绞痛组(UAP组)40例,急性非ST段抬高性心肌梗死组(NSTEMI组)40例与急性ST段抬高性心肌梗死组(STEMI组)40例;同期正常体检者40名作为对照组。冠状动脉病变严重程度用病变血管支数及Gensini评分表示,于入院第2天抽血检测血浆氨基末端脑钠肽前体和高敏C反应蛋白水平,并进行比较。结果 ACS各组血浆氨基末端脑钠肽前体、高敏C反应蛋白水平和Gensini评分显著高于对照组(P<0.01),ACS各组氨基末端脑钠肽前体水平比较差异有统计学意义(P<0.05),Gensini评分各组比较差异无统计学意义;STEMI组高敏C反应蛋白水平高于NSTEMI组和UAP组(P<0.01);NSTEMI组与UAP组高敏C反应蛋白水平比较差异无统计学意义。血浆氨基末端脑钠肽前体、高敏C反应蛋白水平和Gensini评分随病变支数的增加而增加。结论联合检测氨基末端脑钠肽前体和高敏C反应蛋白水平可判断ACS的严重程度,对其诊治及指导早期行有创检查均有重要参考价值。     

急性冠脉综合征患者测定血浆脑钠肽及C-反应蛋白的意义

目的探讨急性冠脉综合征（ACS）患者血浆脑钠肽（BNP）和C-反应蛋白（CRP）的变化及其临床意义。方法连续选取2009年1月至2010年2月在昆明市第一人民医院住院的ACS患者68例,另选32名同期到院体检的健康者为对照组。两组入选对象均采用电化学发光法检测血浆BNP水平,采用酶联免疫（EuSA）法测定血浆CRP水平。结果ACS组患者血浆BNP及CRP水平均明显高于对照组,各亚组中血浆BNP水平为sT段抬高心肌梗死（STEM!）亚组〉非ST段抬高心肌梗死（NSTEMI）亚组〉不稳定型心绞痛（UAP）亚组〉对照组（992pg／ml〉581pg／ml〉305pg／ml〉48pg／ml,P均〈0．05）。血浆CRP水平为STEMI亚组〉NSTEMI亚组〉UAP亚组〉对照组[（41．2＋7．1）mg／L〉（29．1＋5．0）rag／L〉（14．6＋3．4）mg／L〉（5．5＋2．1）mg／L,P均〈0．05]。血浆BNP与CRP水平呈正相关（r=0．635,P〈0．01）。结论ACS患者血浆BNP和CRP水平明显升高,提示二者在ACS的发病机制中起重要作用。     

N-terminal pro-brain natriuretic peptide but not highsensitivity C-reactive protein is related to severity of coronary artery stenosis in patients with acute coronary syndrome

Objective Biochemical indicators such as N-terminal pro-brain type natriuretic peptide（NT pro-BNP）and high-sensitivity Creactive protein（hsCRP）predict mortality in acute coronary syndrome（ACS）.However,little is known about the relationship of these factors with severity of coronary artery stenosis in patients with.Methods Three hundred and thirty-one subjects including 246 unstable angina pectoris patients and 85 myocardial infarction patients were recruited and classified into two groups：single-vessel disease group（1-vessel disease,n=93）and multiple-vessel disease group（≥2-vessels disease,n=238）according to selective coronary angiography.Plasma levels of NT pro-BNP and hsCRP were measured and severity of coronary stenosis was determined by Gensini score.Results NT pro-BNP but not hsCRP level was higher in patients with myocardial infarction than in patients with unstable angina pectoris.The patients with multiple-vessel disease had significantly higher NT pro-BNP level but not hsCRP compared with those with single-vessel disease.NT pro-BNP levels increased significantly as left ventricle（LV）function decreased,and only NT proBNP but not hsCRP level was related to Gensini score of severity of coronary stenosis in ACS.Conclusion NT proBNP but not hsCRP level is related to severity of coronary artery stenosis in patients in ACS.     

急性冠状动脉综合征患者血清Apelin表达水平与Gensini评分的相关性研究

目的:探讨急性冠状动脉综合征(ACS)患者血清Apelin表达水平及其与Gensini评分的相关性。方法:75例ACS患者分为不稳定型心绞痛(UA)组28例,急性非ST段抬高型心肌梗死(NSTEMI)组11例,急性ST段抬高型心肌梗死(STEMI)组36例,另取13例冠状动脉造影正常者作为对照组。采用Elisa法检测各组血清Apelin表达水平并进行比较,冠状动脉病变程度评分采用Gensini评分系统,分析Apelin表达水平与Gensini评分的关系。结果:Apelin水平从高到低依次为:对照组[(346.38±61.93)ng/L]、UA组[(231.37±67.28)ng/L]、NSTEMI组[(146.59±73.77)ng/L]和STEMI组[(93.46±42.40)ng/L],4组间两两比较均差异有统计学意义(均P<0.001)。相关性检验显示,Apelin表达水平与Gensini评分成负相关(r=-0.426,P<0.001)。结论:血清Apelin水平可能参与了ACS的病理生理过程,其水平越低,冠状动脉病变程度越严重。     

Percutaneous coronary intervention versus coronary artery bypass grafting as primary revascularization in patients with acute coronary syndrome

New European Society of Cardiology/American College of Cardiology guidelines classify patients with acute coronary syndrome and increased cardiac troponins as non-ST-segment elevation myocardial infarction (NSTEMI) who would have been classified as unstable angina pectoris (UAP) using the older World Health Organization (WHO) definition. The optimal revascularization strategy in these patients is poorly defined. This prospective cohort study included 1,024 consecutive patients with acute coronary syndrome classified as UAP, NSTEMI according to the WHO definition (WHO NSTEMI), and NSTEMI additionally identified by the novel European Society of Cardiology/American College of Cardiology definition (additional NSTEMI). All patients underwent coronary angiography within 24 hours and were treated with immediate percutaneous coronary intervention (PCI) or early coronary artery bypass grafting (CABG). The primary end point was all-cause mortality during follow-up of 36 months. Patients with additional NSTEMI showed excessive cumulative 3-year mortality if undergoing CABG (hazard ratio 5.9, 95% confidence interval 2.7 to 13.1, p <0.001). In patients with UAP or WHO NSTEMI, mortality was similar in the CABG and PCI groups. In conclusion, in the absence of randomized trials specifically including patients with additional NSTEMI, the excessive mortality observed with CABG in this cohort study suggested that PCI may be the preferable revascularization strategy in this subgroup.     

冠心病患者内皮素水平的变化及其与冠脉病变的关系

目的：探讨冠心病患者血浆内皮素（ET）水平变化与冠状动脉病变的关系.方法：选择2012年12月至2013年12月在我院心内科住院确诊的冠心病患者130例,其中稳定型心绞痛（SAP）、不稳定型心绞痛（UAP）各40例,非ST段抬高型心肌梗死（NSTEMI）、ST段抬高型心肌梗死（STEMI）各25例;多支血管病变58例,单支病变72例.冠状动脉造影正常者50名为非冠心病正常对照组.检测各组ET浓度并进行比较分析.结果：（1）冠心病各组血浆ET水平均显著高于非冠心病对照组（P均＜0.01）;STEMI组、NSTEMI组血浆ET水平显著高于UAP组和SAP组[（95.6±14.7） pg/ml、（89.6±11.2） pg/ml比（67.2±8.5） pg/ml比（35.7±5.8） pg/m门,且UAP组显著高于SAP组（P均＜0.01）,STEMI组和NSTEMI两组间比较无显著差异（P＞0.05）;（2）冠心病组中多支血管病变组血浆ET水平显著高于单支血管病变组[（81.3±12.6） pg/ml比（64.5±10.3） pg/ml],P＜0.01.结论：冠心病患者血内皮素水平显著升高,其检测对于观察病情、判断预后有重要临床意义.     

CD14+ monocyte levels in subgroups of acute coronary syndromes

OBJECTIVES: We aimed to investigate whether there were any differences in the percentages of CD14(+) monocytes between subgroups of acute coronary syndromes (ACS). CD14(+) is a monocyte surface receptor that plays a role in the innate immune system. CD14(+) monocytes are associated with complications of atherosclerosis. METHODS: In total we enrolled 115 patients with ACS: 24 with unstable angina (UA); 29 with non-ST elevation myocardial infarction (NSTEMI); and 62 with ST elevation myocardial infarction (STEMI). The levels of C-reactive protein and percentage of CD14(+) monocyte were measured on admission. RESULTS: CD14(+) monocyte percentages were observed to be different between groups by analysis of variance test. The percentages of CD14(+) monocyte were 81.24+/-10.04% in the UA group; 89.40+/-5.84% in the NSTEMI group; and 87.22+/-11.75% in the STEMI group (P=0.013). The differences between the UA and the NSTEMI and between the UA and the STEMI groups with Bonferroni posthoc testing were significant (P=0.014 and P=0.049 respectively). Moreover, no significant difference was found between the NSTEMI and STEMI groups (P=1.000). The C-reactive protein levels in the UA group were detected to be significantly low with Bonferroni posthoc testing compared with both the NSTEMI and STEMI groups (for both comparisons, P<0.002). CONCLUSIONS: A significant difference in CD14(+) monocyte percentages between subgroups of ACS was determined. CD14(+) monocyte percentages can be a useful parameter in differentiating between the subgroups of ACS, especially between UA and myocardial infarction.     

急性冠脉综合征患者β内啡肽和血清脑利尿钠肽的变化及临床意义

目的探讨急性冠状动脉综合征(ACS)患者血浆β内啡肽(β-EP)和血清脑利尿钠肽(NT-proBNP)的变化及临床意义。方法选取我院急诊科和心内科ACS住院治疗患者120例,分为不稳定心绞痛(UAP)、ST段抬高型心肌梗死(STEMI)及非ST段抬高型心肌梗死(NSTEMI)组,并选取普通胸痛患者30例为对照组,分别检测患者及对照者血浆β-EP和血清NT-proBNP并比较分析。结果 ACS组患者BNP、β-EP水平明显高于对照组(P0.05),而STEMI组和NSTEMI组患者BNP、β-EP水平明显高于UAP组患者(P0.05)。结论联合检测血浆β-EP和血清NT-proBNP水平不仅能评价急性冠脉综合征患者的心功能受损程度,而且有助于早期发现ACS。     

三项生化指标联合检测在急性冠状动脉综合征患者临床诊断中的意义

目的探讨心肌肌钙蛋白T(cTnT)和N末端B型钠尿肽前体(NT-proBNP)及高敏C反应蛋白(hs-CRP)3项生化指标联合检测在急性冠状动脉综合征(ACS)临床诊断中的应用价值。方法选择ACS患者134例,其中不稳定性心绞痛(UAP组)患者49例,ST段抬高心肌梗死(STEMI组)患者37例,非ST段抬高心肌梗死(NSTEMI组)患者48例。用电化学发光双抗体夹心法检测cTnT、NT-proBNP,免疫透射比浊法检测hs-CRP;通过绘制ROC曲线和建立logistic回归模型,分析各指标单独和联合检测在UAP、NSTEMI及STEMI诊疗中的作用。结果 UAP组(除外cTnT)、NSTEMI组及STEMI组患者血清cTnT、NT-proBNP、hs-CRP水平明显高于对照组,差异有统计学意义(P<0.05)。与cTnT、NT-proBNP、hs-CRP单独检测比较,3项指标联合检测ACS各组ROC曲线下面积最大,敏感性和特异性最好。结论联合检测cTnT、NT-proBNP、hs-CRP能明显改善ACS中UAP的诊断效果,对于NSTEMI和其他急性心肌梗死也能使敏感性和特异性达到最优化,但对区分NSTEMI和其他急性心肌梗死效果不明显。     

氯吡格雷对急性冠脉综合征患者炎性标记物的影响

目的:探讨氯吡格雷对急性冠脉综合征(ACS)患者炎性标记物的影响。方法:入选在我院住院治疗的ACS患者158例,其中不稳定型心绞痛患者67例、非ST段抬高型心肌梗死患者42例、ST段抬高型心肌梗死49例。根据临床用药方式的不同所有患者被分为联合治疗组(80例,氯吡格雷+阿司匹林)和阿司匹林治疗组(78例,阿司匹林),检测两组患者治疗前,治疗后第7、14d血清高敏C-反应蛋白(hsCRP)、P-选择素(P-selec-tin)、白细胞介素-6(IL-6)水平。结果:治疗第7d,两组患者hsCRP、IL-6以及P-选择素均较治疗前显著升高(P<0.05);阿司匹林治疗组上升幅度显著高于联合治疗组(P<0.05);治疗第14d,两组患者上述指标均较治疗前显著降低(P<0.01),与阿司匹林组比较,联合治疗组hsCRP[(3.48±1.98)mg/L比(2.93±1.16)mg/L]、IL-6[(9.81±4.58)μg/L比(8.98±3.52)μg/L]、P-选择素[(9.56±4.67)ng/ml比(9.11±4.57)ng/ml]水平降低更显著(P均<0.05)。两组患者出血情况差异无显著性(P>0.05)。结论:氯吡格雷能显著降低急性冠脉综合征患者炎性标志物水平,这可能是其发挥作用的机制之一。     

趋化因子CCL21、CCL19与急性冠状动脉综合征的相关性研究

目的:通过研究急性冠脉综合征(ACS)患者血清趋化因子CCL21、CC19的变化,探讨其与冠状动脉病变的相关性。方法: 选取102例ACS患者,其中急性ST段抬高的心肌梗死(STEMI)患者33例,非ST段抬高的心肌梗死（NSTEMI）37例,不稳定型心绞痛(UA)患者32例,稳定型心绞痛患者36例,非心源性胸痛并经冠状动脉造影排除冠心病的患者为对照组30例,采用酶联免疫法法测定CCL21、CCL19水平,所有ACS患者进行冠状动脉造影用目测法和Gensini评分对冠脉血管进行损害程度进行评价,来探讨CCL21、CCL19与冠状动脉狭窄范围及程度的关系。结果: ACS组CCL21及CCL19水平明显高于稳定型心绞痛组和对照组,分别为［(149.33±26.24)ng/L vs.(111.45±24．31)ng/L vs.(108.38±22.28)ng/L,P<0.01］,［(77.45±16.27)ng/L vs.(54.74±19.44) vs.(57.38±21.28)ng/L,P<0.01］。 ACS中STEMI、NSTEMI、UA组内血清CCL21、CCL19水平在组内差异无统计学意义［CCL21:(155.39±21.56)ng/L vs.(154．38±20．74)ng/L vs.(157.39±24.33)ng/L,P>0.05;CCL19:(75.34±15.34)ng/L vs.(77.25±16.21)ng/L vs.(74.23±24.19)ng/L,P>0.05］,冠状动脉狭窄程度及Gensini评分法积分在ACS组内STEMI组、NSTEMI组、UA组比较差异无统计学意义,三组内冠状动脉狭窄程度与外周血CCL21、CCL19水平无明显相关性。结论: 外周血CCL21、CCL19水平与急性冠脉综合症血管病变有关,在斑块不稳定中可能扮演着重要的角色。