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Title of Journal: J Interv Card Electrophysiol

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Abbravation: Journal of Interventional Cardiac Electrophysiology

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Springer US

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DOI

10.1002/eat.20873

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ISSN

1572-8595

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Catheter ablation of arrhythmic storm triggered by

Authors: Petr Peichl Robert Čihák Markéta Koželuhová Dan Wichterle Vlastimil Vančura Josef Kautzner
Publish Date: 2009/11/24
Volume: 27, Issue: 1, Pages: 51-59
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Abstract

Frequent episodes of polymorphic ventricular tachycardias/ventricular fibrillation VT/VF in patients with coronary artery disease can be triggered by monomorphic ventricular premature beats VPBs and thus amenable to catheter ablation The goal of this study was to review singlecenter experience in catheter ablation of electrical storm caused by focally triggered polymorphic VT/VFCatheter ablation of electrical storm due to focally triggered polymorphic VT/VF was performed in nine patients mean age 62 ± 7 years two females All patients had previous myocardial infarction interval of 3 days to 171 months Mean left ventricular ejection fraction was 27 ± 6 All patients presented with repeated runs of polymorphic VT/VF triggered by monomorphic VPBsBased on mapping data the ectopic beats originated from scar border zone on interventricular septum n = 5 inferior wall n = 3 and lateral wall n = 1 Catheter ablation was performed to abolish the triggering ectopy and to modify the arrhythmogenic substrate by linear lesions within the infarct border zone The ablation procedure was acutely successful in eight out of nine patients During the followup of 13 ± 7 months two patients died due to progressive heart failure One patient had late recurrence of electrical storm due to ectopic beats of different morphology and was successfully reablatedElectrical storm due to focally triggered polymorphic VT/VF may occur either in subacute phase of myocardial infarction or substantially later after index event Catheter ablation of ectopic beats triggering these arrhythmias can successfully abolish electrical storm and become a lifesaving procedure


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Other Papers In This Journal:

  1. Adenosine triphosphate-induced atrial fibrillation: the clinical significance and relevance to spontaneous atrial fibrillation
  2. Trends in percutaneous pericardial access during catheter ablation of ventricular arrhythmias: a single-center experience
  3. Comparison between pulsed and continuous radiofrequency delivery
  4. Factors associated with fluoroscopy exposure during pediatric catheter ablation utilizing electroanatomical mapping
  5. Electrophysiologic characteristics of atrial tachycardia originating from the superior vena cava
  6. Clinical evaluation of a new technique to monitor return electrode skin temperature during radiofrequency ablation
  7. Arrhythmia phenotype in mouse models of human long QT
  8. Contact force and impedance decrease during ablation depends on catheter location and orientation: insights from pulmonary vein isolation using a contact force-sensing catheter
  9. Long-term monitoring of respiratory rate in patients with heart failure: the Multiparametric Heart Failure Evaluation in Implantable Cardioverter-Defibrillator Patients (MULTITUDE-HF) study
  10. Association between red blood cell distribution width and response to cardiac resynchronization therapy
  11. Modification of atrioventricular conduction in dogs by laser irradiation of Koch’s triangle guided by balloon-tipped cardioscope
  12. Novel SCN5A mutations in two families with “Brugada-like” ST elevation in the inferior leads and conduction disturbances
  13. Clinical criteria for predicting benefit of ICD/PM in post myocardial infarction patients: an AVID and CAST analysis
  14. Characteristics and distribution of complex fractionated atrial electrograms in patients with paroxysmal and persistent atrial fibrillation
  15. Predictors of serious arrhythmic events in patients with nonischemic heart failure
  16. Ablation time efficiency and lesion volume - in vitro comparison of 4 mm, non irrigated, gold- and platinum-iridium-tip radiofrequency ablation catheters
  17. Late thromboembolic events after circumferential pulmonary vein ablation of atrial fibrillation
  18. Fluoroless catheter ablation in adults: a single center experience
  19. Patient care and physician conflicts of interests: the Hydra grows new heads but is any Hercules in sight?
  20. Cardiac calcified amorphous tumor in a patient presenting for ventricular tachycardia ablation: intracardiac echocardiogram diagnosis and management
  21. Atrial fibrillation ablation in patients with gastroesophageal reflux disease or irritable bowel syndrome—the heart to gut connection!
  22. Clinical outcome of left atrial ablation for paroxysmal atrial fibrillation is related to the extent of radiofrequency ablation
  23. Predictors of chronic pulmonary vein reconnections after contact force-guided ablation: importance of completing electrical isolation with circumferential lines and creating sufficient ablation lesion densities
  24. Left atrial posterior wall isolation: the icing on the cake
  25. Verapamil-sensitive left anterior fascicular ventricular tachycardia associated with a healed myocardial infarction: changes in the delayed Purkinje potential during sinus rhythm

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