2022
DOI: 10.3389/fcvm.2021.793903
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Experimental Findings and Clinical-Pathologic Correlation of Radiofrequency Catheter Ablation at the Left Ventricle Para-Hisian Region

Abstract: BackgroundCatheter ablation target at the site with large His activation in the left ventricle poses a high risk of atrioventricular (AV) block. We aimed to identify far-field (FF) and near-field (NF) His activation at left upper septum (LUS).MethodsThree-D mapping of the aortic root and left ventricle was performed in 12 dogs. Two sites located at either the base or apex of the triangle interposed between the hinges of the the noncornary coronary cusp (NCC) - right coronary cusp (RCC) were chosen for a single… Show more

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“…For better monitoring the A-V conduction, it is of importance to deliver the ablation during SR, which allows monitoring for either PR prolongation or accelerated junction rhythm. Previous study used the pacing manoeuvre to differentiate near- and far- field His potential in Para-Hisian region, 10 , 11 but its role on locating left-side His is still limited.…”
Section: Discussionmentioning
confidence: 99%
“…For better monitoring the A-V conduction, it is of importance to deliver the ablation during SR, which allows monitoring for either PR prolongation or accelerated junction rhythm. Previous study used the pacing manoeuvre to differentiate near- and far- field His potential in Para-Hisian region, 10 , 11 but its role on locating left-side His is still limited.…”
Section: Discussionmentioning
confidence: 99%