Journal ArticleDOI
Accessory pathway localization by QRS polarity in children with Wolff-Parkinson-White syndrome.
TLDR
In this article, the location of the accessory pathway (AP) in Wolff-Parkinson-White (WPW) syndrome can be determined accurately by the QRS polarity on resting ECG.Abstract:
AP Localization by QRS Polarity in Children. Introductions: Location of the accessory pathway (AP) in Wolff-Parkinson-White (WPW) syndrome can be determined accurately by the QRS polarity on resting ECG. These ECG characteristics may be different in children, and no algorithm has yet been tested. Methods and Results: A total of 153 resting ECGs of symptomatic children with WPW syndrome were retrospectively analyzed. The anatomic AP location had been established fluoroscopically at eight possible sites during radiofrequency catheter ablation. Two independent observers predicted AP location on blinded ECGs with a QRS polarity algorithm for adults using leads II, III, aVL, V 1 , and V 2 . Subsequently, the QRS polarity for all individual ECG leads was evaluated and a new algorithm for children was devised. With the adult algorithm, the observers correctly predicted only 55% to 58 % of AP locations. The septal and right-sided pathways often were inseparable, and mid-septal and parahisian pathways were missed. In the new children's algorithm, left lateral, left posteroseptal, and posteroseptal pathways shared a positive or intermediate QRS polarity on V 1 , with the left lateral pathway separated by a positive QRS polarity on lead III. Negative QRS polarity on lead V 1 and positive QRS polarity on lead V 3 were shared by right posteroseptal, mid-septal, parahisian, and anteroseptal pathways, with the latter two having a positive QRS polarity on lead aVF. Right lateral pathways had negative QRS polarity on lead V 1 and negative or intermediate QRS polarity on lead V 3 . Overall accuracy for these five regions was 90%. Conclusion: AP characterization by QRS polarity in children with WPW syndrome is more diverse than in adults and requires other ECG leads to establish five AP regions.read more
Citations
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Journal ArticleDOI
A multicenter, long-term study on arrhythmias in children with Ebstein anomaly.
Tammo Delhaas,Gideon J. du Marchie Sarvaas,Marry E.B. Rijlaarsdam,Jan L. M. Strengers,Rhona Eveleigh,Sumayah E. Poulino,Chris L. de Korte,Livia Kapusta +7 more
TL;DR: The 17% prevalence of rhythm disturbances in pediatric EA patients, most commonly supraventricular arrhythmias, is significantly lower than in adult EA patients.
Journal ArticleDOI
Severe left ventricular dysfunction in infants with ventricular preexcitation
TL;DR: This observation is extended to nfants younger than 6 months with severe left ventricular ysfunction associated with preexcitation in the absence of ocumented supraventricular tachycardia.
Journal ArticleDOI
Inaccuracy of Wolff‐Parkinson‐White Accessory Pathway Localization Algorithms in Children and Patients with Congenital Heart Defects
Yaniv Bar-Cohen,Paul Khairy,James G. Morwood,Mark E. Alexander,Frank Cecchin,Charles I. Berul +5 more
TL;DR: It is hypothesize that ECG algorithms used to localize accessory pathways (AP) in patients with Wolff‐Parkinson‐White (WPW) syndrome have low diagnostic accuracy in children and even lower in those with CHD.
Journal ArticleDOI
Ventricular pre-excitation: symptomatic and asymptomatic children have the same potential risk of sudden cardiac death.
Corrado Di Mambro,Mario Salvatore Russo,Daniela Righi,Silvia Placidi,Rosalinda Palmieri,Massimo Stefano Silvetti,Fabrizio Gimigliano,Monica Prosperi,Fabrizio Drago +8 more
TL;DR: Children and adolescents with WPW syndrome have a higher rate of AVRT inducibility than asymptomatic patients, however, no differences between the two groups were found in atrial vulnerability and parameters related to the risk of SCD.
Journal Article
Dyssynchronous Ventricular Activation in Asymptomatic Wolff-Parkinson-White Syndrome: A Risk Factor for Development of Dilated Cardiomyopathy
Floris E.A. Udink ten Cate,Nathalie Wiesner,Uwe Trieschmann,Markus Khalil,Narayanswami Sreeram +4 more
TL;DR: In this paper, a review summarizes recent evidence for development of dilated cardiomyopathy in asymptomatic patients with Wolff-Parkinson-White (WPW) syndrome, discusses its pathogenesis, clinical presentation, management and treatment.
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TL;DR: The preceding presentation constitutes a review and state of the art governing these rapidly developing diagnostic principles for bypass tracts of the WFW syndrome.
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