Document Detail

Mapping of intraatrial reentrant tachycardias by remote magnetic navigation in patients with d-transposition of the great arteries after mustard or senning procedure.
MedLine Citation:
PMID:  18631275     Owner:  NLM     Status:  MEDLINE    
Remote Magnetic Mapping After Mustard/Senning Procedure. INTRODUCTION: Mapping of intraatrial reentrant tachycardia (IART) still presents a challenge in complex congenital heart disease. The goal of this work was to present our initial experience with remote magnetic navigation (RMN) for mapping of IART in four patients after the atrial switch procedure (Mustard n = 1, Senning n = 3) for d-transposition of the great arteries. METHODS: Three-dimensional (3D) mapping of the systemic venous atrium and the pulmonary venous atrium (PVA) was performed using RMN (Niobe) in conjunction with 3D mapping (CartoRMT). The maps were fused with a CT-based 3D anatomy. RESULTS: All patients had cavotricuspid isthmus-dependent IART with a mean atrial cycle length of 305 ms. Mapping of both atria (PVA retrogradely by passing the aortic and tricuspid valve) was feasible and safe. The procedure time for IART mapping ranged from 210 to 320 minutes with a mean of 251 minutes. The fluoroscopy time for IART mapping ranged from 15.8 to 45.0 minutes (mean 31.6 minutes) for patients, and ranged from 12.3 to 24.3 minutes with a mean of 19.5 minutes for physicians. No procedural complications occurred. CONCLUSION: Precise mapping of IART in the complex anatomical structures after an atrial switch procedure was feasible and safe using RMN. The maneuverability of the catheter was possible even with a retrograde access crossing two valves. Further reduction of procedural and fluoroscopy times for both patients and physicians seems possible.
Jinjin Wu; Andreas Pflaumer; Isabel Deisenhofer; Ekrem Ucer; John Hess; Bernhard Zrenner; Gabriele Hessling
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Journal of cardiovascular electrophysiology     Volume:  19     ISSN:  1540-8167     ISO Abbreviation:  J. Cardiovasc. Electrophysiol.     Publication Date:  2008 Nov 
Date Detail:
Created Date:  2009-01-26     Completed Date:  2009-03-16     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9010756     Medline TA:  J Cardiovasc Electrophysiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1153-9     Citation Subset:  IM    
Deutsches Herzzentrum München and 1 Medizinische Klinik, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.
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MeSH Terms
Body Surface Potential Mapping / methods*
Cardiovascular Surgical Procedures / methods*
Magnetics / methods*
Tachycardia, Atrioventricular Nodal Reentry / complications,  diagnosis*,  prevention & control*
Transposition of Great Vessels / complications,  diagnosis*,  surgery*
Treatment Outcome
Young Adult

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