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Pacing Clin Electrophysiol. 2017 Jul;40(7):808-814. doi: 10.1111/pace.13100. Epub 2017 Jun 1.

Transesophageal and invasive electrophysiologic evaluation in children with Wolff-Parkinson-White pattern.

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Department of Pediatric Cardiology, Yuksek Ihtisas Heart-Education and Research Hospital, Ankara, Turkey.
Department of Pediatric Cardiology, Diyarbakir Children Hospital, Diyarbakir, Turkey.
Division of Arrhythmia and Electrophysiology, Department of Cardiology, Yuksek Ihtisas Heart-Education and Research Hospital, Ankara, Turkey.
Department of Pediatric Cardiology, Sadi Konuk Education and Research Hospital, Istanbul, Turkey.



Risk stratification for Wolff-Parkinson-White (WPW) pattern either by noninvasive or invasive tests is important to determine whether an ablation is necessary or not. The aim was to compare noninvasive tests and invasive studies in a pediatric WPW population.


A total of 71 WPW patients (median age 14 years [interquartile range, 11-16 years]; 43 male) underwent Holter monitoring, exercise stress test (EST), and transesophageal electrophysiological study (TEEPS). In the case of a ≤270-ms effective refractory period of accessory pathway or induction of supraventricular tachycardia using TEEPS, patients were classified as high risk and underwent invasive electrophysiological study (EPS).


Nine of 23 patients with low risk by Holter and eight of 26 patients with low risk by EST had high risk in TEEPS. Risky TEEPS results were detected in 42 of 71 patients and those patients underwent EPS. High-risk characteristic in EPS was detected in seven of nine patients with low risk by Holter and in seven of eight with low risk by EST. Both tests yielded moderate specificity (52-69%) and negative predictive value (61-69%) according to TEEPS.


Holter and EST have low predictive value in WPW risk stratification. However, TEEPS and EPS are extremely valuable in WPW risk stratification. TEEPS may reveal important and useful results for WPW risk determination, especially in small children not having undergone EPS in order to avoid its complications.


Wolff-Parkinson-White pattern; child; electrophysiology study; risk stratification

[Indexed for MEDLINE]

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