Insights Into the Spatiotemporal Patterns of Complexity of Ventricular Fibrillation by Multilead Analysis of Body Surface Potential Maps.
body surface potential maps
complexity
electrocardiology
singular value decomposition
structural diseases
sudden cardiac death
ventricular fibrillation
ventricular fibrillation mechanisms
Journal
Frontiers in physiology
ISSN: 1664-042X
Titre abrégé: Front Physiol
Pays: Switzerland
ID NLM: 101549006
Informations de publication
Date de publication:
2020
2020
Historique:
received:
23
04
2020
accepted:
12
08
2020
entrez:
19
10
2020
pubmed:
20
10
2020
medline:
20
10
2020
Statut:
epublish
Résumé
Ventricular fibrillation (VF) is the main cause of sudden cardiac death, but its mechanisms are still unclear. We propose a noninvasive approach to describe the progression of VF complexity from body surface potential maps (BSPMs). We mapped 252 VF episodes (16 ± 10 s) with a 252-electrode vest in 110 patients (89 male, 47 ± 18 years): 50 terminated spontaneously, otherwise by electrical cardioversion (DCC). Changes in complexity were assessed between the onset ("VF start") and the end ("VF end") of VF by the nondipolar component index ( All BSPM markers measure an increase in electrical complexity during VF ( Multilead BSPM analysis underlines distinct degrees of VF complexity based on substrate characteristics.
Sections du résumé
BACKGROUND
BACKGROUND
Ventricular fibrillation (VF) is the main cause of sudden cardiac death, but its mechanisms are still unclear. We propose a noninvasive approach to describe the progression of VF complexity from body surface potential maps (BSPMs).
METHODS
METHODS
We mapped 252 VF episodes (16 ± 10 s) with a 252-electrode vest in 110 patients (89 male, 47 ± 18 years): 50 terminated spontaneously, otherwise by electrical cardioversion (DCC). Changes in complexity were assessed between the onset ("VF start") and the end ("VF end") of VF by the nondipolar component index (
RESULTS
RESULTS
All BSPM markers measure an increase in electrical complexity during VF (
CONCLUSION
CONCLUSIONS
Multilead BSPM analysis underlines distinct degrees of VF complexity based on substrate characteristics.
Identifiants
pubmed: 33071814
doi: 10.3389/fphys.2020.554838
pmc: PMC7538856
doi:
Types de publication
Journal Article
Langues
eng
Pagination
554838Informations de copyright
Copyright © 2020 Meo, Denis, Sacher, Duchâteau, Cheniti, Puyo, Bear, Jaïs, Hocini, Haïssaguerre, Bernus and Dubois.
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