About: Left atrial voltage during atrial fibrillation in paroxysmal and persistent atrial fibrillation patients

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Background: Left atrial (LA) endocardial voltage characteristics assessed during atrial fibrillation (AF) have not been previously compared in different AF types. This study was aimed at investigating the LA voltages and volumes in patients with paroxysmal and persistent AF. Methods: LA electroanatomic voltage maps acquired during AF were compared between consecutive patients without major structural heart disease undergoing first catheter ablation for paroxysmal AF (n = 100) or persistent AF (n = 100). The groups were comparable in baseline clinical characteristics. Results: Patients with persistent AF presented with lowermedian LA voltage (median 0.41, interquartile range [IQR] 0.31?0.51 mV versus median 0.99, IQR 0.47?1.56 mV; P < 0.001), and maximum LA voltage (4.07 ? 1.76 vs 6.42 ? 2.16 mV; P < 0.001). They also had a higher proportion of the LA points exhibiting voltage <0.2 mV (30 ? 20 vs 12 ? 11%; P < 0.001) and voltage 0.2?1.0 mV (55 ? 15 vs 42 ? 19%; P < 0.001). They further Background: Left atrial (LA) endocardial voltage characteristics assessed during atrial fibrillation (AF) have not been previously compared in different AF types. This study was aimed at investigating the LA voltages and volumes in patients with paroxysmal and persistent AF. Methods: LA electroanatomic voltage maps acquired during AF were compared between consecutive patients without major structural heart disease undergoing first catheter ablation for paroxysmal AF (n = 100) or persistent AF (n = 100). The groups were comparable in baseline clinical characteristics. Results: Patients with persistent AF presented with lowermedian LA voltage (median 0.41, interquartile range [IQR] 0.31?0.51 mV versus median 0.99, IQR 0.47?1.56 mV; P < 0.001), and maximum LA voltage (4.07 ? 1.76 vs 6.42 ? 2.16 mV; P < 0.001). They also had a higher proportion of the LA points exhibiting voltage <0.2 mV (30 ? 20 vs 12 ? 11%; P < 0.001) and voltage 0.2?1.0 mV (55 ? 15 vs 42 ? 19%; P < 0.001). They further (en)
Title	Left atrial voltage during atrial fibrillation in paroxysmal and persistent atrial fibrillation patients Left atrial voltage during atrial fibrillation in paroxysmal and persistent atrial fibrillation patients (en)
skos:prefLabel	Left atrial voltage during atrial fibrillation in paroxysmal and persistent atrial fibrillation patients Left atrial voltage during atrial fibrillation in paroxysmal and persistent atrial fibrillation patients (en)
skos:notation	RIV/00023001:_____/10:00002241!RIV11-MZ0-00023001
http://linked.open...avai/riv/aktivita	P V
http://linked.open...avai/riv/aktivity	P(NR9143), V
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Wichterle, Dan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Institut klinické a experimentální medicíny
http://linked.open...dnocenehoVysledku	268195
http://linked.open...ai/riv/idVysledku	RIV/00023001:_____/10:00002241
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	atrial fibrillation; left atrium; volume; voltage; remodeling (en)
http://linked.open.../riv/klicoveSlovo	remodeling voltage left atrium volume atrial fibrillation
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[E535265C71ED]
http://linked.open...i/riv/nazevZdroje	Pacing and Clinical Electrophysiology
http://linked.open...in/vavai/riv/obor	FA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Clinical benefit of right atrial lesions additional to the circumferential and linear lesions in the left atrium in ablative treatment of chronic atrial fibrillation - a prospective randomized study
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	33
http://linked.open...iv/tvurceVysledku	Bulková, V. Chovančík, J. Fiala, M. Januška, J. Nevřalová, R. Wichterle, Dan Wojnarová, D.
http://linked.open...ain/vavai/riv/wos	000277010500006
issn	0147-8389
number of pages	8 (xsd:int)

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