斑点追踪技术评价急性心肌梗死并发心源性休克患者主动脉内球囊反搏治疗前后的左室局部收缩功能

doi:DOI:10.12117/jccmi.2019.08.009

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摘要目的：应用斑点追踪技术（Speckle tracking imaging，STI）测量急性心肌梗死（Acute myocardial infarction，AMI）并发心源性休克（Cardiogenic shock，CS）患者主动脉内球囊反搏（Intra-aortic balloon pump counterpulsation，IABP）治疗前后左心室局部收缩功能的变化，探讨此技术在治疗过程中的应用价值。方法：34例AMI并发CS的患者进行IABP治疗。应用STI技术测量各梗死心肌节段应变参数：纵向、径向、圆周应变峰值（LSpeak、RSpeak、CSpeak）及达峰时间（TPSLS、TPSRS、TPSCS）。IABP治疗前后数据进行对比。结果：AMI并发CS患者IABP治疗后，各梗死节段LSpeak、RSpeak、CSpeak比治疗前增高，TPSLS、TPSRS、TPSCS比治疗前缩短（P均＜0.05）。结论：STI技术可以准确评价AMI并发CS患者IABP治疗前后左心室局部收缩功能的变化。

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	余正春
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关键词 ：心肌梗塞, 休克, 心原性, 心室功能, 左, 超声心动描记术

Abstract：Objective: To compare the change of left ventricular regional systolic function of patients with cardiogenic shock(CS) complicating acute myocardial infarction(AMI) before and after IABP with speckle tracking imaging technique, and to discuss the value of speckle tracking imaging(STI) in the therapy of intra-aortic balloon pump counterpulsation(IABP). Methods: Thirty-four patients with CS complicating AMI underwent IABP, STI was used to detect the systolic strain parameters of infarction: peak longitudinal, radial, circumferential strain(LSpeak, RSpeak, CSpeak) and the time to peak strain(TPSLS, TPSRS, TPSCS). A comparative analysis was done between before and after IABP. Results: After IABP, LSpeak, RSpeak, CSpeak increased in each infarct stage and TPSLS, TPSRS, TPSCS decreased(all P＜0.05). Conclusion: STI can accurately evaluate the change of left ventricular regional systolic function of patients with CS complicating AMI before and after IABP.

Key words： Myocardial infarction Shock, cardiogenic Ventricular function, left Echocardiography

收稿日期: 2018-08-17

PACS:	Ｒ542.22
	Ｒ541.64
	Ｒ540.45

基金资助:武汉市卫计委课题（WX15A01）。

通讯作者: 马小静，武汉亚洲心脏病医院超声科，430022。

作者简介: 余正春（1983-），男，安徽歙县人，副主任医师。

引用本文:

余正春，马小静，夏娟，胡萍. 斑点追踪技术评价急性心肌梗死并发心源性休克患者主动脉内球囊反搏治疗前后的左室局部收缩功能[J]. 中国临床医学影像杂志, 2019, 30(8): 566-568.
YU Zheng-chun, MA Xiao-jing, XIA Juan, HU Ping. Evaluation of left ventricular regional systolic function of patients with cardiogenic shock complicating acute myocardial infarction before and after intra-aortic balloon pump counterpulsation with speckle tracking imaging technique. JOURNAL OF CHINA MEDICAL IMAGING, 2019, 30(8): 566-568.

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