Journals / Türk Kardiyoloji Derneği Arşivi / 2008 / Cilt: 36 - Sayı: 1

Ablation of right ventricular outflow tract tachycardia using a new, simplified technique for three-dimensional mapping: a case report

Sağ ventrikül çıkış yolu taşikardisinin yeni ve basitleştirilmiş üçboyutlu haritalama tekniği ile ablasyonu: Olgu sunumu

Pages
39–43
Publication Date
2022-11-05
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The patient was asymptomatic in the first and third months of the procedure.

📌 3 Key Takeaways

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Objective & Hypothesis:Right ventricular outflow tract tachycardias comprise a subgroup of idiopathic ventricular tachycardias that occur in the absence of structural heart disease.
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Key Findings & Data:Herein, we presented ablation of right ventricular outflow tract tachycardia in a 32-year-old male patient using a new, simplified technique, described by Saleem et al., for three-dimensional mapping of the outflow tract.
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Conclusion & Impact:The patient was asymptomatic in the first and third months of the procedure.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Right ventricular outflow tract tachycardias comprise a subgroup of idiopathic ventricular tachycardias that occur in the absence of structural heart disease. Twelve-lead surface electrocardiography shows a left bundle branch block morphology and an inferiorly-oriented frontal axis during tachycardia. Non-sustained nature of arrhythmia and structure of the outflow tract makes catheter ablation of focal arrhythmia origin difficult. Herein, we presented ablation of right ventricular outflow tract tachycardia in a 32-year-old male patient using a new, simplified technique, described by Saleem et al., for three-dimensional mapping of the outflow tract. The patient was admitted with tachycardia of left bundle branch block with inferior axis morphology. In this technique, a spiral multipolar catheter was positioned in the right ventricular outflow tract and served as a guide for mapping and ablation. The patient was asymptomatic in the first and third months of the procedure.

Özet

Sağ ventrikül çıkış yolu taşikardileri, yapısal kalp hastalığı zemininde olmayan idiyopatik ventriküler taşikardilerin bir altgrubunu oluşturur. Taşikardi sırasında 12 kanallı yüzey elektrogramında sol dal bloku morfolojisi ve aşağı yönlenmiş frontal eksen vardır. Aritminin sürekli olmaması ve çıkış yolunun yapısı fokal aritmi kaynağının ablasyonunu güçleştirmektedir. Bu yazıda, Saleem ve ark. tarafından tanımlanan, yeni ve basitleştirilmiş bir üçboyutlu haritalama tekniği ile sağ ventrikül çıkış yolu taşikardi ablasyonu yapılan 32 yaşında bir erkek hasta sunuldu. Hasta, sol dal bloku inferior eksen morfolojisinde taşikardi atağı ile acil servise başvurmuştu. Uygulanan teknikte, bir spiral multipolar kateter sağ ventrikül çıkış yoluna yerleştirilmiş ve taşikardinin haritalanması - ablasyonu işlemine kılavuzluk etmiştir. Ablasyon sonrası birinci ve üçüncü ay kontrollerde hastanın semptomsuz olduğu görüldü.

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Cite This Article

CANBAY, A., DİKER, E., ÇELEBİ, Ö. Ö., AYDOĞDU, S. (2022). Ablation of right ventricular outflow tract tachycardia using a new, simplified technique for three-dimensional mapping: a case report. Türk Kardiyoloji Derneği Arşivi, Cilt: 36 - Sayı: 1, 39–43. https://ajindex.com/articles/633486

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References (1)

  1. Lerman BB, Stein KM, Markowitz SM, Mittal S, Iwai S. Ventricular tachycardia in patients with structurally normal hearts. In: Zipes DP, Jalife J, editors. Cardiac electrophysiology: from cell to bedside. 4th ed. Philadelphia: Saunders; 2004. p. 668-82. 2.Friedman PA, Asirvatham SJ, Grice S, Glikson M, Munger TM, Rea RF, et al. Noncontact mapping to guide ablation of right ventricular outflow tract tachycardia. J Am Coll Cardiol 2002;39:1808-12. 3.Saleem MA, Burkett S, Passman R, Dibs S, Engelstein ED, Kadish AH, et al. New simplified technique for 3D mapping and ablation of right ventricular outflow tract tachycardia. Pacing Clin Electrophysiol 2005;28:397-403. 4.Dixit S, Gerstenfeld EP, Callans DJ, Marchlinski FE. Electrocardiographic patterns of superior right ventricular outflow tract tachycardias: distinguishing septal and free-wall sites of origin. J Cardiovasc Electrophysiol 2003;14:1-7. 5.Kesek M, Englund A, Jensen SM, Jensen-Urstad M. Entrapment of circular mapping catheter in the mitral valve. Heart Rhythm 2007;4:17-9.