Acute effect of primary percutaneous coronary intervention on left ventricular dyssynchrony in ST-segment elevation myocardial infarction

被引:5
作者
Inci, Sinan [1 ]
Karakelleoglu, Sule [1 ]
Tas, M. Hakan [1 ]
Arslan, Sakir [1 ]
Gundogdu, Fual [1 ]
Bakirci, Eftal Mural [1 ]
Degirmenci, Husnu [1 ]
Senocak, Huseyin [1 ]
机构
[1] Ataturk Univ, Fac Med, Dept Cardiol, Erzurum, Turkey
关键词
percutaneous coronary intervention; dyssynchrony; tissue synchronization imaging; ST-segment elevation myocardial infarction; CARDIAC RESYNCHRONIZATION THERAPY; CONGESTIVE-HEART-FAILURE; TIME 3-DIMENSIONAL ECHOCARDIOGRAPHY; WALL-MOTION ABNORMALITIES; NARROW QRS COMPLEXES; BUNDLE-BRANCH BLOCK; TISSUE DOPPLER; MECHANICAL DYSSYNCHRONY; DILATED CARDIOMYOPATHY; SYSTOLIC PERFORMANCE;
D O I
10.5152/akd.2014.5007
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Objective: The aim of this study was to prospectively evaluate the effect of percutaneous coronary intervention in the acute period on left ventricular dyssynchrony in ST-segment elevation myocardial infarction patients by using Tissue Synchronization Imaging. Methods: Forty-four ST-segment elevation myocardial infarction (MI) patients (29 male, 15 female), who were admitted within the first 12 hours of chest pain symptoms, were enrolled in the study. According to the localization of MI, the patients were divided into groups as anterior MI (n=26) and inferior MI (n=18). All echocardiography measurements were taken just before percutaneous coronary intervention (PCI) and following PCI at a mean of 3-6 days. They were assessed according to the time to reach the peak systolic velocity, which was calculated by the tissue synchronization imaging method from four pairs of non-apical alternate segments. The difference between the duration to reach the peak systolic velocity in alternate segments was regarded as left ventricle dyssynchrony and the results were compared. Results: In the anterior MI group, basal anterior (p<0.01), mid-anterior segment (p<0.01) and basal septal segment (p<0.01); in the inferior MI group, the basal septal segment (p=0.02), mid-septal segment (p=0.02), and basal and mid-inferior segment (p<0.01) values were significantly lower in the post-PCI measurements when compared to the measurements taken prior to PCI. In both groups, the intraventricular dyssynchrony indices of the basal anterior-basal inferior (p<0.01), mid-anterior-mid-inferior (p<0.01) segments were found to be significantly lower in the post-PCI period when compared to the pre-PCI period. Conclusion: It was found that percutaneous coronary intervention in patients with ST-elevation significantly decreases the degree of LV dyssynchrony in the acute period.
引用
收藏
页码:591 / 598
页数:8
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