典型文献
Evolving concept of dyssynchrony and its utility
文献摘要：
The role of electromechanical dyssynchrony in heart failure gained prominence in literature with the results of trials of cardiac resynchronization therapy (CRT). CRT has shown to significantly decrease heart failure hospitalization and mor-tality in heart failure patients with dyssynchrony. Current guidelines recommend the use of electrical dyssynchrony based on a QRS > 150 ms and a left bundle branch block pattern on surface electrocardiogram to identify dyssynchrony in patients who will benefit from CRT implantation. However, predicting response to CRT remains a challenge with nearly one-third of patients gain-ing no benefit from the device. Multiple echocardiographic measures of mechanical dyssynchrony have been studied over the past two decade. However, trials where mechanical dyssynchrony used as an additional or lone criteria for CRT failed to show any benefit in the response to CRT. This shows that a deeper understanding of cardiac mechanics should be applied in the assess-ment of dyssynchrony. This review discusses the evolving role of imaging techniques in assessing cardiac dyssynchrony and their application in patients considered for device therapy.
文献关键词：
中图分类号：
作者姓名：
Priyanka Satish;Bharat Narasimhan;Andreas Hagendorff;Bhupendar Tayal
作者机构：
Houston Methodist DeBakey Heart and Vascular Center,Houston,TX,USA;Leipzig University Hospital,Department of Cardiology,Leipzig,Germany
文献出处：
引用格式：
[1]Priyanka Satish;Bharat Narasimhan;Andreas Hagendorff;Bhupendar Tayal-.Evolving concept of dyssynchrony and its utility)[J].老年心脏病学杂志（英文版）,2022(01):44-51
A类：
dyssynchrony
B类：
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AB值：
0.55896
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