ArticleJournal of cardiology cases2025
High-resolution mapping of an aortic sinus cusp for two outflow tract premature ventricular contractions.
Article in Journal of cardiology cases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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6 authors.
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Abstract
In catheter ablation for outflow tract premature ventricular contraction (PVC), electrical mapping of the aortic sinus cusp (ASC) provides critical information for identifying the origin of the PVC. The OCTARAY™ (Biosense Webster, Diamond Bar, CA, USA), a multispline 48-polar electrode catheter with TRUEref™ technology, fits the shape of the ASC and enables detailed and prompt high-resolution ASC mapping without inducing PVCs due to mechanical stimulation. We present a case of successful catheter ablation for two similar PVCs from the ASC based on activation and voltage mapping using TRUEref™ technology. High-resolution mapping could be helpful for the visual assessment of the detailed wavefront propagations of PVC. Learning objective: In catheter ablation for outflow tract premature ventricular contraction (PVC), mapping the aortic sinus cusp is useful to identify the origin; however, it is sometimes challenging with a conventional electrode catheter. High-resolution mapping using OCTARAY™ might be helpful for detailed assessment of outflow tract PVC.
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