Key result
CSP achieves ~87% implant success, with LBBAP demonstrating lower capture thresholds and procedural improvements.
Why the study?
Barriers to conduction system pacing adoption include limited training, methodologic variability, laboratory slot allocation, and scarce learning curve data.
What is the learning curve and clinical outcome profile for an experienced electrophysiologist adopting conduction system pacing (HBP vs LBAP)?
Population
191 patients undergoing attempted CSP implantation by an operator new to CSP
Comparison
His-bundle pacing vs left-bundle-area pacing
Design
Single-operator retrospective analysis
Follow-up
278 ± 378 days
Authors
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May facilitate LBAP adoption among experienced implanters; leaves open whether observational success rates improve randomized outcomes.
Observational (n=191)
No
What is the learning curve and clinical outcome profile for an experienced electrophysiologist adopting conduction system pacing (HBP vs LBAP)?
For experienced implanters new to conduction system pacing, left-bundle-area pacing offers a more favorable learning curve and lower capture thresholds compared to His-bundle pacing, achieving steady-state metrics after 25 cases.
Marion et al. (2024) conducted an observational in Dyssynchrony / Indication for pacing (n=191). Conduction system pacing (Left-bundle-area pacing) vs. His-bundle pacing was evaluated on Successful CSP lead implantation. Conduction system pacing was successfully implanted in 87.4% of patients, with left-bundle-area pacing showing lower capture thresholds and significant procedural improvements after 25 cases (p<0.05).
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