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December 1, 1997Pacing and Clinical Electrophysiology

Demonstration of Purkinje Potential During Idiopathic Left Ventricular Tachycardia: A Marker for Ablation Site by Transient Entrainment

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Key result

Radiofrequency ablation applied to the site of a Purkinje potential identified during transient entrainment resulted in successful elimination of idiopathic left ventricular tachycardia in one patient.

Population

1 patient with idiopathic left ventricular tachycardia without obvious structural heart disease

Design

Case_report

Authors

MNMitsuhiro NishizakiOdawara Municipal HospitalMAMasataka AritaElectrophysiologyHSHarumizu SakuradaOhkubo Hospital

Discussion

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Implication

May aid Purkinje-guided ablation of idiopathic LV VT; single case leaves open need for prospective validation.

Study Design

Type

Case Report (n=1)

Structured PICO

P
Population
1 patient with idiopathic left ventricular tachycardia without obvious structural heart disease.
I
Intervention
Radiofrequency ablation at the site of a Purkinje potential recorded at the left ventricular mid-septum
O
Outcome
Elimination of VT

Demonstrates that targeting the Purkinje potential during transient entrainment can successfully guide radiofrequency ablation of idiopathic left ventricular tachycardia.

Cite This Study

Nishizaki et al. (1997) conducted a case report in Idiopathic Left Ventricular Tachycardia (n=1). Radiofrequency ablation at the site of Purkinje potential was evaluated on Elimination of ventricular tachycardia. Radiofrequency ablation applied to the site of a Purkinje potential identified during transient entrainment resulted in successful elimination of idiopathic left ventricular tachycardia in one patient.

synapsesocial.com/papers/6a5ed40b531077db68af0ed0https://doi.org/10.1111/j.1540-8159.1997.tb05476.x

Topics

Ventricular arrhythmias
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Idiopathic sustained left ventricular tachycardia: clinical and electrophysiologic characteristics.1988 · 318 citations
  2. 2Radiofrequency catheter ablation of ventricular tachycardia in patients without structural heart disease.1992 · 504 citations
  3. 3Catheter Ablation of Accessory Atrioventricular Pathways (Wolff–Parkinson–White Syndrome) by Radiofrequency Current1991 · 1,441 citations
  4. 4Response of recurrent sustained ventricular tachycardia to verapamil.1981 · 340 citations
  5. 5Radiofrequency ablation therapy in idiopathic left ventricular tachycardia with no obvious structural heart disease.1994 · 146 citations