ArticleEuropace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology2025
Translational approach to ventricular innervation: the posterior descending ganglionated plexus.
Article in Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Value of fRagmented atrial electrOgrams and intracardiac echocardiography for identification of optiMal sites for radio-frequency delivery during cArdioneuroablation for asystolic reflex syNcope: the ROMAN 5 study.Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2026Article
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15 authors.
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Abstract
aimsModulation of cardiac neural control is increasingly explored to treat cardiac arrhythmias. While the atrially located ganglionated plexus (GPs) have been studied intensively, characterization of ventricular GPs is sparse. This proof-of-principle study aimed to assess the role of the posterior descending GP (PDGP) for neural control of cardiac electrophysiology, while offering a translational roadmap into clinical practice. METHODS AND
resultsSince an initial systematic literature review revealed the PDGP as a small, consolidated GP on the posterior left ventricle (LV) in dogs, swine, and humans, we subsequently conducted morphological C57BL/6 murine studies (n = 43) indicating ventricular GPs in only 10% of hearts. Based on our initial findings, in a proof-of-principle study analysing 4300 local unipolar electrograms from a multi-electrode sock, the impact of functional PDGP modulation was studied in an ex vivo retrograde-perfused porcine model. Wave propagation characteristics determined by epicardial activation mapping demonstrated increased dispersion of conduction velocity during high-frequency (8.52 ± 2.24 radian vs. 2.79 ± 0.89 radian; P = 0.018) and nicotine stimulation (19.79 ± 6.49 radian vs. 2.79 ± 0.89 radian; P = 0.044) compared to paced rhythm. High-frequency stimulation prolonged activation recovery intervals in the posterior (257.8 ± 6.7 ms vs. 244.8 ± 1.9 ms; P = 0.044) and basal (258.1 ± 4.2 ms vs. 244.8 ± 1.9 ms; P =0.039) right ventricle compared to the posterior LV. Analysis of explanted human hearts confirmed the presence of the PDGP within epicardial adipose tissue near its eponymous coronary artery and the posteromedial left atrial GP. Three-dimensionally reconstructed human hearts suggested the PDGP localization characterized by inter-patient anatomical variability.
conclusionThe present translational approach to ventricular innervation demonstrates first evidence of the functional relevance of the PDGP, with morphological findings indicating species-related differences. Novel imaging modalities might pave the way for future functional and therapeutic interventions.
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