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Updated: May 17, 2026

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
Published on: December 11, 2017
Application of echocardiography in resynchronization treatment of heart failure patients
Hai-Long Dai1, Xue-Feng Guang, Zhi-Cheng Xiao
1Department of Cardiology, Yan'an Affiliated Hospital of Kunming Medical University, Yunnan Cardiovascular Hospital, Kunming, Yunnan 650051, China.
Objective:
To review the updated research progress about the application of echocardiography in resynchronization treatment of chronic heart failure patients.
Data Sources:
The data used in this review were from PubMed, published in English and using the key terms "heart failure", "echocardiography" and "cardiac resynchronization therapy".
Study Selection:
Relevant articles were reviewed and selected to address the stated purpose.
Results:
Increasing numbers of studies have suggested the importance of echocardiography in resynchronization treatment of chronic heart failure patients. Echocardiography can evaluate atrioventricular, inter- and intra-ventricular mechanical dyssynchrony before cardiac resynchronization therapy (CRT), as a guidance to assess the optimal left ventricular (LV) pacing location, optimize the atrioventricular and interventricular delays and predict response to CRT.
Conclusions:
Echocardiography is both non invasive and easily repeatable, and plays a crucial role in appraisal of heart synchronism, instruction of actuator placement, optimization of the device procedure, and prediction of the response to CRT.
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