Our clinical case supports the effectiveness of distal His-Bundle pacing in obtaining ventricular resynchronization in patients with LBBB and left ventricular dysfunction, particularly in the context of post-TAVI conduction disturbances.
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http://dx.doi.org/10.1002/ccr3.4000 | DOI Listing |
Heart Rhythm O2
December 2024
Department of Cardiovascular Medicine, Kyorin University School of Medicine, Mitaka, Japan.
Background: Junctional rhythm (JR) frequently occurs during radiofrequency (RF) ablation procedures targeting the slow pathway (SP) for atrioventricular nodal re-entrant tachycardia (AVNRT), signaling successful ablation. Two types of JR have been noticed: typical JR as His activation preceding atrial activation, and atypical JR as atrial activation preceding the His activation. Nevertheless, the origin and characteristics of JR remain incompletely defined.
View Article and Find Full Text PDFJ Innov Card Rhythm Manag
December 2024
Arizona College of Medicine, Banner Health, Phoenix, AZ, USA.
Expert Rev Med Devices
January 2025
Cardiology Unit, "Card. G. Panico" Hospital, Tricase (Le), Italy.
Introduction: In patients with symptomatic, refractory atrial fibrillation the ablate and pace (A&P) strategy (pacemaker implantation followed by atrio-ventricular junction ablation (AVJA)) is superior to medical therapy in improving quality of life and prognosis. Despite its well-proven benefits, this invasive therapeutic option is still underutilized in clinical practice. The choice of pacing modality (right ventricular pacing, biventricular pacing, BVP, or conduction system pacing, CSP) is crucial and can have significant clinical implications.
View Article and Find Full Text PDFRev Cardiovasc Med
December 2024
Department of Cardiology, The First Affiliated Hospital of Dalian Medical University, 116014 Dalian, Liaoning, China.
Existing techniques for pacing the right ventricle and providing cardiac resynchronization therapy through biventricular pacing are not effective in restoring damage to the conduction system. Therefore, the need for new pacing modalities and techniques with more sensible designs and algorithms is justified. Although the benefits of conduction system pacing (CSP), which mainly include His bundle pacing (HBP) and left bundle branch area pacing (LBBAP), are evident in patients who require conduction system recuperation, the critical criteria for left CSP remain unclear, and the roles of different pacing modalities of CSP for cardiac resynchronization are not definite.
View Article and Find Full Text PDFCureus
November 2024
Cardiology, Akita Cerebrospinal and Cardiovascular Center, Akita, JPN.
Background Ventricular septal pacing has long been performed using a stylet during pacemaker implantation, but with the availability of guiding catheters, His bundle pacing and left bundle branch area pacing have also been performed. However, it is not known to what extent the tip load of the ventricular lead differs when a guiding catheter is used compared with a stylet alone. In this study, the tip load was measured for different stylet stiffness and guiding catheter geometries at sites where His bundle pacing and left bundle branch area pacing were assumed.
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