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急性心肌梗死患者经皮冠状动脉介入术后心力衰竭发生的相关因素分析
引用本文:卢乃棉. 急性心肌梗死患者经皮冠状动脉介入术后心力衰竭发生的相关因素分析[J]. 临床荟萃, 2010, 25(7): 556-559
作者姓名:卢乃棉
作者单位:上海交通大学苏州九龙医院ICU,江苏,苏州,215021
摘    要:目的 探讨前壁急性心肌梗死(AMI)ST段抬高患者住院期间经皮冠状动脉介入治疗(PCI)后发生心力衰竭的相关因素.方法 回顾性分析我院2006年1月至2008年9月172例首次诊断为前壁AMI并接受急诊PCI治疗患者的临床与影像资料.将AMI患者分为心力衰竭组(n=64)和非心力衰竭组(n=108),并分析各影响因素与心力衰竭发生的关系.结果 心力衰竭组和非心力衰竭组年龄、左心室射血分数(LVEF)、胸痛到PCI时间、肌酸激酶同工酶(CK-MB)及肌钙蛋白Ⅰ(TnⅠ)峰值、白细胞计数(WBC)、C反应蛋白(CRP)、PCI后心肌梗死溶栓治疗(TIMI)血流分级≤2级、ST段回落率(STR)差异均有统计学意义,平均年龄(63.0±9.7)岁 vs (55.7±11.9)岁、LVEF(37.6±9.1)% vs (48.4±7.3)%、胸痛到PCI时间(6.7±1.4)小时 vs (4.1±1.3)小时、CK-MB峰值(524.1±119.9)U/L vs (326.5±135.1)U/L、TnⅠ(87.2±34.9)mg/L vs (37.9±24.1)mg/L、WBC(10.8±5.9)×109/L vs (9.0±4.6)×109/L、CRP(42.2±10.2)g/L vs (24.7±6.5)g/L、PCI后TIMI血流分级≤2级21.9%vs 66.7%、STR 65.6% vs 1.9%(P<0.01或<0.05);单因素及logistic回归分析显示,上述因素与心力衰竭的发生明显相关(P<0.01或<0.05);同时,CK-MB峰值、TnⅠ峰值、WBC、PCI后TIMI血流分级≤2级、STR与CRP之间存在明显相关(P<0.01或<0.05).结论 胸痛到PCI时间、CK-MB峰值、TnⅠ峰值、WBC、CRP、PCI后TIMI血流分级≤2级、STR<50%是前壁AMI后心力衰竭的预测因素,提示炎症反应广泛参与了AMI后心力衰竭发生的病理生理过程.

关 键 词:心肌梗死  血管成形  支架  心力衰竭  充血性  炎症

Analysis of related factors for heart failure in patients with acute myocardial infarction after primary percutaneous coronary intervention
LU Nai-mian. Analysis of related factors for heart failure in patients with acute myocardial infarction after primary percutaneous coronary intervention[J]. Clinical Focus, 2010, 25(7): 556-559
Authors:LU Nai-mian
Affiliation:LU Nai-mian (Intensive Care Unit ,Suzhou Kowloon Hospital ,Shanghai J iao Tong University ,Suzhou 215021 ,China)
Abstract:Objective To investigate the factors influencing in-hospital heart failure(HF) in patients with an anterior wall acute myocardial infarction(AMI) after primary percutaneous coronary intervention (PCI). Methods Retrospective analysis was conducted on the clinical and angiographic data of 172 patients with AMI after primary PCI between January 2006 and September 2008. These patients were divided into two groups-heart failure group(64 cases) or normal group(108 cases) to analyze the association between factors and HF. Results Age,left ventricular ejection fraction(LVEF), time to PCI, peak creatine kinase-MB(CK-MB) and troponin I (TnI), white blood cell (WBC), C- reactive protein(CRP) ,thrombolysis in myocardial infarction (TIMI)(≤2) ,ST-segment resolution rate(STR) differed significantly between the two groups. Mean age (63.0±9.7) years vs (55. 7±11. 9) years,LVEF (37.6±9.1) % vs (48.4±7.3)%,time to PCI (6.7±1.4) hours vs (4.1±1.3) hours,peakCK-MB (524.1±119.9) U/Lvs (326.5± 135.1) U/L,TnI (87.2±34.9) mg/L vs (37.9±24.1) mg/L,WBC (10.8±5.9) × 10^9/L vs (9.0±4.6)×10^9/L, CRP (42.2±10.2) g/L vs (24.7±6.5) g/L,TIMI after PCI (42 grade) 21.9% vs 66.7%,STR 65.6% vs 1.9% (P〈 0.01 or 〈0.05). Univariate and logistic regression analysis showed the above-mentioned factors had close relationship with the presence of HF ( P 〈0.01 or 〈0.05). Significantly,there was a positive correlation between CK- MB,TnI,WBC,TIMI after PCI(≤2) ,STR and CPR ( P 〈0.01 or 〈0.05). Conclusion Time to PCI,peak CK-MB and TnI,WBC, CRP, TIMI after PCI(≤2 grade) and STR〈 50% were predictable factors for HF after AMI. The inflammatory reaction impelled the developing process of HF after AMI.
Keywords:myocardial infarction  angioplasty  stents  heart failure, congestive  inflammation
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