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April 1, 2026Open Access

RF catheter ablation successfully treats idiopathic right VT near the His bundle without conduction disturbance.

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Why the study?

There are only a few reports on successful radiofrequency catheter ablation of idiopathic right ventricular tachycardia originating from sites other than the right ventricular outflow tract.

Design

Case report

Key result

Radiofrequency catheter ablation successfully treated idiopathic right ventricular tachycardia originating near the His bundle without causing conduction disturbance.

Authors

ESEimei ShimoikeYOYurika OhbaNYNobuhito Yanagi

Discussion

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Overview

May be considered for idiopathic RV tachycardia near the His bundle; hypothesis-generating and should not yet change practice.

Key Points

  • To explore the effectiveness of radiofrequency catheter ablation for idiopathic ventricular tachycardia originating near the His bundle.
  • Descriptive case report
  • Radiofrequency catheter ablation using a temperature-controlled catheter
  • Observation of fluoroscopy and intracardiac electrograms during pacemapping
  • Successful ablation of the VT origin without conduction disturbance
  • VT exhibited an inferior-axis and left bundle branch block pattern

Structured PICO

P
Population
1 patient with idiopathic right ventricular tachycardia (VT) exhibiting an inferior-axis and a left bundle branch block pattern, originating near the His bundle.
I
Intervention
Radiofrequency catheter ablation using a temperature-controlled ablation catheter with pacemapping.
O
Outcome
Successful ablation of the VT origin without conduction disturbance.

Radiofrequency catheter ablation can be successfully and safely performed for idiopathic right ventricular tachycardia originating near the His bundle without causing conduction disturbance.

Limitations

  • Further study is required to determine the effectiveness of catheter ablation and the long term prognosis for this type of VT.

Cite This Study

Shimoike et al. (1999) studied this question. Radiofrequency catheter ablation successfully treated idiopathic right ventricular tachycardia originating near the His bundle without causing conduction disturbance.

synapsesocial.com/papers/69cd7b065652765b073a8b31https://doi.org/10.15017/7237108
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