Cited by 46Cardiac Arrhythmias and TreatmentsCardiac electrophysiology and arrhythmiasCardiac pacing and defibrillation studies

Electrophysiologic evaluation of asymptomatic patients with the Wolff-Parkinson-White pattern

SATOH, MASAHITO, AIZAWA, YOSHIFUSA, FUNAZAKI, TOSHIKAZU, NIWANO, SHINICHI, EBE, KATSUYA, MIYAJIMA, SEIICHI, SUZUKI, KAORU, AIZAWA, MASAMI +1 more·1989·Pacing and Clinical Electrophysiology

Abstract

In the past 4 years, 34 asymptomatic patients with the Wolff-Parkinson-White (WPW) pattern underwent electrophysiologic study. The effective refractory period (ERP) of antegrade conduction over the accessory pathway was 288 +/- 29 msec. In three asymptomatic patients (9%), the antegrade ERP of the accessory pathway was shorter than 250 msec. The antegrade ERP of the accessory pathway became shorter than 250 msec in an additional 12 of 22 (55%) patients after isoproterenol administration. Nineteen (56%) of the asymptomatic patients showed the absence of retrograde conduction over the accessory pathway even after isoproterenol administration. The rate of induction of orthodromic reciprocating tachycardia in the asymptomatic WPW patients was 15% (5/34), which was significantly lower than that in the symptomatic patients. These data suggest that in the asymptomatic patients, the absence of retrograde conduction over the accessory pathway is the reason they remained asymptomatic, free of reciprocating tachycardia. However, even in the asymptomatic patients, some had the accessory pathway in which antegrade ERP was shorter than 250 msec. They may result in rapid ventricular conduction over the accessory pathway when atrial fibrillation develops.

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Crossref · 10.1111/j.1540-8159.1989.tb02678.x

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Authors
SATOH, M., AIZAWA, Y., FUNAZAKI, T., NIWANO, S., EBE, K., MIYAJIMA, S., SUZUKI, K., AIZAWA, M., & SHIBATA, A.
Affiliations
Niigata University (JP)
Corresponding author
SATOH, MASAHITO
Venue
Pacing and Clinical Electrophysiology
Publisher
Wiley
Published
1989-03
Volume
12
Issue
3
Pages
413-420
ISSN
  • 0147-8389 (ISSN-L)
  • 1540-8159
OpenAlex
W2046098350
Cited by
46
References
16
Citations by year
2026: 1 · 2024: 1 · 2023: 1 · 2021: 3 · 2020: 1 · 2016: 1 · 2015: 11 · 2014: 3 · 2013: 1 · 2012: 7
FWCI
0.39
Type
journal article
Language
en
Open access
closed
Locations
  • Pacing and Clinical Electrophysiology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Arrhythmias and Treatments
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac electrophysiology and arrhythmias
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac pacing and defibrillation studies
Keywords
Wolff-Parkinson-White syndrome, asymptomatic patients, accessory pathway, effective refractory period, isoproterenol, retrograde conduction, orthodromic reciprocating tachycardia, atrial fibrillation, ventricular conduction
MeSH terms
Adult, Cardiac Pacing, Artificial, Electrocardiography, Electrophysiology, Female, Heart Conduction System, Humans, Isoproterenol, Male, Wolff-Parkinson-White Syndrome

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