3D rendering of electromechanical wave imaging for the characterization and optimization of biventricular pacing conditions in heart failure patients undergoing Cardiac Resynchronization Therapy

摘要

Assessing the response of heart failure (HF) patients to Cardiac Resynchronization Therapy (CRT) currently relies on the ECG and left ventricular (LV) ejection fraction. Electromechanical Wave Imaging (EWI) is a high frame-rate (2000 Hz) ultrasound-based technique capable of non-invasively mapping the electromechanical activation in all four cardiac chambers in vivo. In this study, we aim to show the capability of EWI in identifying different pacing conditions in patients with CRT and to characterize the resulting activation pattern directly following biventricular (BiV) device placement.