贵州医科大学学报

2013, (03) 269-271+275

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二维斑点追踪技术评价急性心肌梗死患者PCI前后左心室节段收缩功能
Evaluation of Left Ventricular Regional Systolic Function of Patients with Acute Myocardial Infarction before and after PCI with Two-dimensional Speckle Tracking Technique

安彩云;张鑫;师小鹃;
AN Caiyun1,ZHANG Xin2,SHI Xiaojuan2 (1.Department of Ultrasonography,People's Hospital of Yichuan County,Yichuan 716200,Shanxi,China; 2.The Second Department of Ultrasonography Diagnosis,the Affiliated Hospital of Medical College of Yanan University,Yanan 716000,Shanxi,China)

摘要(Abstract):

目的:探讨二维斑点追踪技术(2D-STI)在评价急性心肌梗死(AMI)患者急诊经皮冠状动脉介入术(PCI)前后左心室节段收缩功能中的价值。方法:选择AMI并成功行急诊PCI的患者共53例,其中急性下壁梗死(AMIinf)患者28例(AMIinf组),急性前壁心肌梗死(AMIant)患者25例(AMIant组),同期健康体检者30例作为对照组,采用2D-STI测量各组左心室各壁收缩期纵向应变峰值(前壁、下壁、侧壁、后壁、前间隔、后间隔)以及AMI患者PCI后1月的上述参数的变化。结果:与对照组比较,AMIinf组PCI术前左心室下壁纵向应变(SLinf)、AMIant组PCI术前左心室前壁纵向应变(SLant)均显著减低;PCI术后1月,AMIinf组SLinf、AMIant组SLant较术前显著增加,SLinf及SLant仍低于对照组。结论:2D-STI可准确评价AMI梗死节段心肌PCI前后收缩功能,为临床提供有价值的信息。
Objective: To explore the value of two-dimensional speckle tracking imaging technique(2D-STI) in evaluation of left ventricular regional systolic function of patients with acute myocardial infarction(AMI) before and after percutaneous coronary intervention(PCI).Methods: Fifty-three patients with AMI who successfully received emergency PCI including 28 acute inferior myocardial infarction(group AMIinf) and 25 patients with acute anterior myocardial infarction(group AMIant) were selected,and contemporaneously,30 healthy people served as control.2D-STI was performed in them to detect systolic longitudinal strain peak(SL) of anterioseptal,posterioseptal,anterior,inferior,lateral and posterior walls of left ventricular before PCI and in 1 month after PCI.All the parameters were compared among group AMIant,group AMIinf,and control group.Results: SL of inferior wall(SLinf) of group AMIinf and SL of anterior wall(SLant) of group AMIant before PCI were lower than those in control group(P<0.05).SLinf of group AMIinf and SLant of group AMIant in 1 month after PCI increased significantly(P<0.05),but still lower than those in control group(P<0.05).Conclusions: 2D-STI can assess the change of systolic function of infarcted regions of left ventricular in patients with AMI before and after PCI and provide valuable information for clinical treatment.

关键词(KeyWords): 急性心肌梗死;冠状动脉介入治疗;二维斑点追踪技术;左心室节段收缩功能
acute myocardial infarction;percutaneous coronary intervention;two-dimensional speckle tracking;left ventricular regional systolic function

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作者(Author): 安彩云;张鑫;师小鹃;
AN Caiyun1,ZHANG Xin2,SHI Xiaojuan2 (1.Department of Ultrasonography,People's Hospital of Yichuan County,Yichuan 716200,Shanxi,China; 2.The Second Department of Ultrasonography Diagnosis,the Affiliated Hospital of Medical College of Yanan University,Yanan 716000,Shanxi,China)

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