Key result
Novel Image Overlay Technique assists in repositioning pacing leads for His-bundle pacing.
Why the study?
Existing methods for repositioning sub-optimally placed His-bundle pacing leads rely on operator memory or an additional vascular access and marker lead, creating a need for improved repositioning techniques.
Describes a novel, imaging-based approach (Image Overlay Technique) to assist in repositioning pacing leads during His-bundle pacing.
Answers are grounded in this paper and cite their sources.
May aid His-bundle pacing lead repositioning; leaves open prospective validation before clinical adoption.
The His-bundle has several locations from which conduction system pacing can be achieved. Some locations offer better sensing, thresholds and paced QRS durations. Existing techniques to aid repositioning of an already deployed, but sub-optimally placed lead, include either simple memory of the initial lead position combined with its observation on an x-ray review screen or utilizing an additional vascular access and pacing lead with the first lead serving as a real-time marker (Two-lead technique). We describe a novel, readily available, cost-efficient, imaging-based approach to assist in the re-positioning of a pacing lead for His-bundle pacing (the Image Overlay Technique).
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Pharithi et al. (2023) studied His-bundle pacing lead repositioning. Image Overlay Technique vs. Existing techniques (Two-lead technique, memory/x-ray) was evaluated. A novel, readily available, and cost-efficient imaging-based approach called the Image Overlay Technique is described to assist in repositioning pacing leads for His-bundle pacing.
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