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Proximal coronary sinus pacing induced prolonged asystole

BACKGROUND: Atrioventricular node (AVN) is an interatrial septum structure located at the apex of triangle of Koch that modulates the transmission of impulses from atria to the ventricles. Vagally mediated AVN block with high frequency stimulation (HFS) was investigated in a few animal and human stu...

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Autores principales: Madadi, Shabnam, Shahabi, Javad, Moeini, Mahdi, Kamali, Farzad
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Isfahan Cardiovascular Research Center, Isfahan University of Medical Sciences 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9145838/
https://www.ncbi.nlm.nih.gov/pubmed/35685448
http://dx.doi.org/10.22122/arya.v17i0.2169
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author Madadi, Shabnam
Shahabi, Javad
Moeini, Mahdi
Kamali, Farzad
author_facet Madadi, Shabnam
Shahabi, Javad
Moeini, Mahdi
Kamali, Farzad
author_sort Madadi, Shabnam
collection PubMed
description BACKGROUND: Atrioventricular node (AVN) is an interatrial septum structure located at the apex of triangle of Koch that modulates the transmission of impulses from atria to the ventricles. Vagally mediated AVN block with high frequency stimulation (HFS) was investigated in a few animal and human studies, but prolonged ventricular asystole that was induced by a low frequency proximal coronary sinus (CS) overdrive pacing has rarely been reported. CASE REPORT: A 40-year-old man was admitted in our hospital for evaluation of syncope and palpitation. He presented with prolonged ventricular asystole by proximal CS pacing during electrophysiological study (EPS). CONCLUSION: There is no comprehensive clinical study to investigate the association of vasovagal syncope with vagally mediated atrioventricular block (AVB) which is induced by posteroseptal area stimulation. Radiofrequency catheter ablation of ganglionated plexi (GP) located close to sinus node and AVN was reported to eliminate the vagal efferent output during vasovagal syncope as a new treatment strategy.
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spelling pubmed-91458382022-06-08 Proximal coronary sinus pacing induced prolonged asystole Madadi, Shabnam Shahabi, Javad Moeini, Mahdi Kamali, Farzad ARYA Atheroscler Case Report BACKGROUND: Atrioventricular node (AVN) is an interatrial septum structure located at the apex of triangle of Koch that modulates the transmission of impulses from atria to the ventricles. Vagally mediated AVN block with high frequency stimulation (HFS) was investigated in a few animal and human studies, but prolonged ventricular asystole that was induced by a low frequency proximal coronary sinus (CS) overdrive pacing has rarely been reported. CASE REPORT: A 40-year-old man was admitted in our hospital for evaluation of syncope and palpitation. He presented with prolonged ventricular asystole by proximal CS pacing during electrophysiological study (EPS). CONCLUSION: There is no comprehensive clinical study to investigate the association of vasovagal syncope with vagally mediated atrioventricular block (AVB) which is induced by posteroseptal area stimulation. Radiofrequency catheter ablation of ganglionated plexi (GP) located close to sinus node and AVN was reported to eliminate the vagal efferent output during vasovagal syncope as a new treatment strategy. Isfahan Cardiovascular Research Center, Isfahan University of Medical Sciences 2021-11 /pmc/articles/PMC9145838/ /pubmed/35685448 http://dx.doi.org/10.22122/arya.v17i0.2169 Text en © 2021 Isfahan Cardiovascular Research Center & Isfahan University of Medical Sciences https://creativecommons.org/licenses/by-nc/3.0/This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License which allows users to read, copy, distribute and make derivative works for non-commercial purposes from the material, as long as the author of the original work is cited properly.
spellingShingle Case Report
Madadi, Shabnam
Shahabi, Javad
Moeini, Mahdi
Kamali, Farzad
Proximal coronary sinus pacing induced prolonged asystole
title Proximal coronary sinus pacing induced prolonged asystole
title_full Proximal coronary sinus pacing induced prolonged asystole
title_fullStr Proximal coronary sinus pacing induced prolonged asystole
title_full_unstemmed Proximal coronary sinus pacing induced prolonged asystole
title_short Proximal coronary sinus pacing induced prolonged asystole
title_sort proximal coronary sinus pacing induced prolonged asystole
topic Case Report
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9145838/
https://www.ncbi.nlm.nih.gov/pubmed/35685448
http://dx.doi.org/10.22122/arya.v17i0.2169
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