Document Detail


Efficacy of multi-electrode duty-cycled radiofrequency ablation in patients with paroxysmal and persistent atrial fibrillation.
MedLine Citation:
PMID:  24338539     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
BACKGROUND: Radiofrequency (RF) catheter ablation is a first-line therapy for patients withdrug-refractory atrial fibrillation (AF). Complete isolation of electrical potentials at the ostium of pulmonary vein (PV) is a challenging procedure. There are different techniques and devicesused for PV isolation (PVI). The objective of this study was to evaluate the efficacy and safety of PV ablation catheter (PVAC).
METHODS: A total of 67 consecutive patients with paroxysmal and persistent AF were treated with the PVAC. The patients' information were obtained from clinical charts. Follow-up was obtained by one day Holter monitoring at 2, 4, 6, 8, 10 and 12 months after ablation and ECG registration if any symptoms or arrhythmia occurred.
RESULTS: The median follow-up duration was 16 months (IQR: 12-20 months). In the population which was available at follow-up (n = 60), 22 (36.7%) patients were in sustained sinus rhythm (SR) without anti-arrhythmic drugs (AAD). Overall 26 (43.3%) patients were in sustained SR with and without AAD. In the paroxysmal AF group, after a single PVAC ablation procedure (n = 39), 19 (48.7%) patients had sustained SR without AAD. In the persistent AF group (n = 15), after the single PVAC ablation, 2 (13.3%) patients had sustained SR without AAD.
CONCLUSIONS: PVI with PVAC is a safe procedure with 48.7% efficacy in patients with paroxysmal AF. The efficacy of PVAC in patients with persistent or long-standing persistent AF is not acceptable.
Authors:
Edward Koźluk; Paweł Balsam; Michał Peller; Marek Kiliszek; Piotr Lodziński; Agnieszka Piątkowska; Sylwia Małkowska; Dariusz Rodkiewicz; Janusz Kochanowski; Grzegorz Opolski
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Cardiology journal     Volume:  20     ISSN:  1897-5593     ISO Abbreviation:  Cardiol J     Publication Date:  2013  
Date Detail:
Created Date:  2013-12-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101392712     Medline TA:  Cardiol J     Country:  Poland    
Other Details:
Languages:  eng     Pagination:  618-25     Citation Subset:  IM    
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