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January 1, 1989HeartOpen Access

Electrode catheter ablation for ventricular tachycardia: efficacy of a single cathodal shock.

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Why the study?

Does electrode catheter ablation with a single cathodal shock prevent recurrence of sustained ventricular tachycardia?

Population

8 patients with 11 distinct types of sustained ventricular tachycardias

Design

Case_series

Follow-up

8-20 months (mean 14)

Authors

RHR.N.W. HauerUniversity Medical Center UtrechtEMEtienne O. Robles de MedinaHamad Medical CorporationPKP.J.P. Kuijer

Discussion

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Overview

Limited success in small series cautions against routine use; leaves open single-shock ablation efficacy for sustained VT.

Structured PICO

Does electrode catheter ablation with a single cathodal shock prevent recurrence of sustained ventricular tachycardia?

P
Population
8 patients with 11 distinct types of sustained ventricular tachycardias
I
Intervention
Electrode catheter ablation using a single R-wave-synchronised 250 or 150 J cathodal shock delivered at each identified arrhythmogenic site
O
Outcome
Abolition of ventricular tachycardia and recurrence of ventricular tachycardiahard clinical

A single cathodal shock for electrode catheter ablation showed limited efficacy, abolishing only 5 of 11 ventricular tachycardias in a small case series.

Cite This Study

Hauer et al. (1989) studied this question.

synapsesocial.com/papers/6a71981f75498292b70b04e4https://doi.org/10.1136/hrt.61.1.38
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Also Consider

Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Catheter Ablation for Patients with Cardiac Arrhythmias1986 · 42 citations
  2. 2Nonsurgical Electrical Ablation of Tachycardias: Importance of Prior in Vitro Testing of Catheter Leads1984 · 48 citations
  3. 3An Investigation into the Electrical Ablation Technique and a Method of Electrode Assessment1985 · 45 citations
  4. 4Some factors affecting bubble formation with catheter-mediated defibrillator pulses.1986 · 88 citations