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高血压合并AMI患者中ALD、NT—proBNP、cTnI的临床意义

2016-10-19谷秀娟钱晓蓉高枫等

中国医药导报 2016年5期
关键词:急性心肌梗死高血压

谷秀娟 钱晓蓉 高枫 等

[摘要] 目的 探討醛固酮(ALD)、氮末端脑钠肽前体(NT-proBNP)、心肌肌钙蛋白(cTnI)联合检测在高血压合并急性心肌梗死(AMI)中的临床意义。 方法 选取2014年12月~2015年4月在延安大学附属医院既往有高血压病史的AMI患者60例作为观察组,健康体检的中老年人45例作为对照组,进行ALD、NT-proBNP、cTnI定量检测分析。ALD采用化学发光分析法,NT-proBNP采用电化学发光分析法,cTnI采用快速免疫荧光分析法,并进行统计学分析。 结果 观察组ALD、NT-proBNP和cTnI浓度分别为(256.0±60.9)、(1920±689.08)ng/L和(5.32±1.52)μg/L明显高于对照组,差异有统计学意义(P < 0.05);ALD、NT-proBNP和cTnI单项指标检测的阳性率分别为68.30%、80.00%、70.00%,明显高于对照组,差异有统计学意义(P < 0.05);观察组ALD、NT-proBNP和cTnI联合检测的真阳性率最高(98.33%)。 结论 检测血清ALD、NT-proBNP、cTnI浓度,为临床筛查高血压合并AMI患者提供有价值的实验室依据。

[关键词] 醛固酮;氮末端脑钠肽前体;心肌肌钙蛋白;高血压;急性心肌梗死

[中图分类号] R542.2+2;R544.1 [文献标识码] A [文章编号] 1673-7210(2016)02(b)-0059-04

Clinical significance of cTnI, NT-proBNP and ALD in hypertension combined with AMI

GU Xiujuan1 QIAN Xiaorong2 GAO Feng2 RUAN Cailian2 WANG Chenxia1 XING Yanfang1

1.Department of Inspection Division, Yan'an University Affiliated Hospital, Shaanxi Province, Yan'an 716000, China; 2.Department of Experimental Center, Yan'an University School of Medicine, Shaanxi Province, Yan'an 716000, China

[Abstract] Objective To investigate the effects of aldosterone (ALD), n-terminal brain natriuretic peptide precursor (NT-proBNP), myocardial troponin joint detection (cTnI) in hypertension complicating acute myocardial infarction (AMI) clinical significance. Methods 60 patients of a history of high blood pressure with AMI in Yan 'an University Affiliated Hospital from December 2014 to April 2015 were selected as observation group, 45 cases of medical health middle aged and elderly people as control group. ALD, NT-proBNP and cTnI were performed quantitative detection analysis. ALD was performed chemiluminescence analysis, NT-proBNP was performed electrochemical luminescence analysis, cTnI was performed fluorescence analysis, and statistical analysis was used. Results ALD, NT-proBNP and cTnI concentration of observation group was (256±60.9), (1920±689.08)ng/L and (5.32±1.52)μg/L respectively, which were significantly higher than those of control group, the difference was statistically significant (P < 0.05); ALD, NT-proBNP and cTnI single parameter test positive rate was 68.30%, 80.00%, 70.00% respectively, which were significantly higher than those of control group, the difference was statistically significant (P < 0.05); ALD, NT-proBNP and cTnI joint detection of true positive rate of observation group is the highest (98.33%). Conclusion Detection of serum concentration of ALD, NT-proBNP and cTnI provide valuable laboratory basis.for clinical screening for hypertension combined AMI patients.

[Key words] Aldosterone; Natriuretic peptide precursor; cardiac troponin I; Hypertension; Acute myocardial infarction

随着经济发展,急性心肌梗死(Acute Myocardial Infarction,AMI)的发病率呈逐年上升趋势,我国每年新发的心肌梗死患者至少50万人。心肌梗死已经成为危害人类健康的重要疾病,世界卫生组织预测,2020年AMI将成为全球第一大死亡原因。高血压是AMI的重要危险因素,据国内相关报道,高血压患者出现心肌梗死概率是非高血压者的5倍。临床高血压合并AMI患者多见,病情危重,预后差,死亡率高。目前研究表明,心肌肌钙蛋白I(Cardiac Troponin I,cTnI)对AMI诊断具有高度的特异性和敏感性[1];而氨基末端B型利钠肽前体(N-terminal pro-B-type natriuretic peptide,NT-proBNP)被全球心血管领域权威机构及美国临床生化学院作为不可缺少的心脏标志物列入相关指南中,中国于2008、2011年分别制订了相关共识及指南[2-3]。近几年,血浆醛固酮(Urine Aldosterone,ALD)水平对AMI预后的影响在临床研究中备受关注,国内尚少有相关报道。本研究通过对高血压合并AMI患者的cTnI、NT-proBNP、ALD进行联合定量检测分析,探讨cTnI、NT-proBNP、ALD在高血压合并AMI中的临床意义。……

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