Document Detail


Mapping of atrial tachycardia by remote magnetic navigation in postoperative patients with congenital heart disease.
MedLine Citation:
PMID:  20132396     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVES: The purpose of this study was to investigate if remote magnetic navigation (RMN) offers a reduction of fluoroscopy time when used for atrial tachycardia (AT) mapping in a spectrum of patients with congenital heart disease (CHD) after "simple" or "complex" atrial surgery. BACKGROUND: Data about AT mapping using RMN in larger populations of patients with CHD are scarce. METHODS: RMN in combination with electroanatomic mapping was used for AT mapping in 22 patients. According to anatomic complexity, patients were classified into 3 groups: Group 1: patients after minor atrial surgery (n = 7); Group 2: patients after the Fontan operation (n = 9); and group 3: patients after the Senning/Mustard operation (n = 6). RESULTS: Atrial mapping with a nonirrigated tip RMN catheter was completed successfully in all patients. In Group 1 no significant reduction in fluoroscopy time was noticed over time (mean fluoroscopy time 7.9 minutes). In the 15 patients of group 2 and group 3 with complex CHD, the fluoroscopy time for mapping in the last 9 patients (6.4 +/- 2.8 minutes) was significantly shorter than in the first 6 patients (29.7 +/- 10.5 minutes, P < 0.0001). Acutely successful ablation was achieved in 21 of 22 patients (97%) using the RMN catheter (n = 3) or a conventional catheter (n = 18) without procedural complications. CONCLUSIONS: RMN for AT mapping in patients with complex atrial anatomy leads to a significant reduction of fluoroscopy time.
Authors:
Jinjin Wu; Andreas Pflaumer; Isabel Deisenhofer; Petra Hoppmann; John Hess; Gabriele Hessling
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-02-01
Journal Detail:
Title:  Journal of cardiovascular electrophysiology     Volume:  21     ISSN:  1540-8167     ISO Abbreviation:  J. Cardiovasc. Electrophysiol.     Publication Date:  2010 Jul 
Date Detail:
Created Date:  2010-07-26     Completed Date:  2010-11-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9010756     Medline TA:  J Cardiovasc Electrophysiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  751-9     Citation Subset:  IM    
Affiliation:
Deutsches Herzzentrum München, Munich, Germany. wu@dhm.mhn.de
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Aged
Cardiac Surgical Procedures / adverse effects*
Catheter Ablation / methods*
Electrophysiologic Techniques, Cardiac
Female
Fluoroscopy
Heart Defects, Congenital / surgery*
Humans
Imaging, Three-Dimensional
Magnetics*
Male
Middle Aged
Predictive Value of Tests
Radiography, Interventional
Surgery, Computer-Assisted*
Tachycardia, Supraventricular / diagnosis,  physiopathology,  radiography,  surgery*
Time Factors
Treatment Outcome
Young Adult

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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