ArticleBMC cardiovascular disorders2022
Early assessment of ventricular synchronization and function after left bundle-branch-area pacing with right bundle-branch block.
Article in BMC cardiovascular disorders, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
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Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it.
- A systematic review and meta-analysis of the impact of left bundle branch area pacing on right ventricular function.Frontiers in cardiovascular medicine · 2025Pooled it
- Left ventricular septal and non-selective left bundle branch pacing reduce right ventricular and interventricular dyssynchrony in patients with right bundle branch block.Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing · 2026Article
- Echocardiographic imaging in patients with conduction system pacing.Cardiovascular ultrasound · 2025Review
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimTo evaluate ventricular synchronization and function in patients with right bundle-branch block after left bundle-branch-area pacing (LBBAP) by echocardiography.
methodsForty patients who successfully received LBBAP were selected and divided into the right bundle-branch block group (RBBB group) and the non-RBBB group by pre-operation ECG. Echocardiography and follow-up were performed 1 month after operation. Interventricular synchronization was evaluated by tissue Doppler (TDI), tissue mitral annular displacement (TMAD), and interventricular mechanical delay. The tricuspid annular plane systolic excursion (TAPSE), right ventricular fractional area change (RVFAC), tricuspid annulus sidewall systolic velocity (TV-s'), left ventricular global ventricular longitudinal strain (GLS), right ventricular free wall longitudinal strain (LS-RV), standard deviation of left ventricular 18 segments peak time difference (SDt-L) and standard deviation of right ventricular free wall 3 segments peak time difference (SDt-R) were applied to evaluate intraventricular synchronization and ventricular function.
resultsThe difference of displacement peak time of the tricuspid and mitral valves, namely ΔPT
conclusionEchocardiography technology including two-dimensional speckle tracking imaging (2D-STI), TDI, and TMAD can effectively analyze interventricular synchronization, intraventricular synchronization, and ventricular function. Although the movement of the right ventricular myocardium in the RBBB group was slightly later than that of the left ventricular myocardium after LBBAP, LBBAP could still be applied in RBBB patients with pacing indication.
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