Key result
Dynamic 3D echo with semi-automated border detection is feasible for evaluating LV dyssynchrony and pacing sites.
Why the study?
Does transthoracic dynamic 3D echocardiography allow for the assessment and optimization of resynchronization therapy in patients with advanced heart failure?
Case Report
No
Does transthoracic dynamic 3D echocardiography allow for the assessment and optimization of resynchronization therapy in patients with advanced heart failure?
Dynamic 3D echocardiography is a feasible novel technique for identifying LV dyssynchrony and optimizing pacing sites in cardiac resynchronization therapy.
Simultaneous electrical stimulation of both ventricles in patients with interventricular conduction disturbance and advanced heart failure improves hemodynamics and results in increased exercise tolerance, quality of life. We have developed a novel technique for the assessment and optimization of resynchronization therapy. Our approach is based on transthoracic dynamic three-dimensional (3D) echocardiography and allows determination of the most delayed contraction site of the left ventricle (LV) together with global LV function data. Our initial results suggest that fast reconstruction of the LV is feasible for the selection of the optimal pacing site and allows identifying LV segments with dyssynchrony.
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Szili‐Törok et al. (2003) conducted a case report in Advanced heart failure with interventricular conduction disturbance. Dynamic three-dimensional (3D) echocardiography combined with semi-automated border detection vs. Tissue Doppler Imaging (TDI) was evaluated on Feasibility of determining mechanical asynchrony during LV contraction and optimal pacing site. Dynamic three-dimensional echocardiography combined with semi-automated border detection is feasible for determining mechanical asynchrony during left ventricular contraction and selecting the optimal pacing site.
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