Document Detail

Radiofrequency catheter ablation of parasystole originating from the inferior vena cava.
MedLine Citation:
PMID:  20230478     Owner:  NLM     Status:  MEDLINE    
A 76-year-old man with a history of atrial septal defect repair underwent radiofrequency (RF) ablation of typical atrial flutter. During electrophysiological study, incessant sharp potentials were recorded, originating from the ostium of the inferior vena cava (IVC), and dissociated from atrial activity. During sinus rhythm, these potentials propagated to the atria and caused premature complexes when falling beyond the atrial refractory period. Electro-anatomical mapping revealed the presence of the earliest potential in the postero-lateral ostium of the IVC, propagating to the septal region. After RF isolation of the IVC, the patient has remained arrhythmia-free over a 5-year follow-up.
Miki Yokokawa; Kazuhiro Suyama; Hideo Okamura; Takashi Noda; Kazuhiro Satomi; Takashi Kurita; Wataru Shimizu; Naohiko Aihara; Shiro Kamakura
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Publication Detail:
Type:  Case Reports; Journal Article     Date:  2010-03-05
Journal Detail:
Title:  Pacing and clinical electrophysiology : PACE     Volume:  33     ISSN:  1540-8159     ISO Abbreviation:  Pacing Clin Electrophysiol     Publication Date:  2010 Jul 
Date Detail:
Created Date:  2010-07-20     Completed Date:  2010-11-30     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7803944     Medline TA:  Pacing Clin Electrophysiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e62-4     Citation Subset:  IM    
Division of Cardiology, Department of Internal Medicine, National Cardiovascular Center, Suita, Japan.
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MeSH Terms
Atrial Flutter / complications*,  surgery*
Body Surface Potential Mapping
Catheter Ablation / methods*
Heart Conduction System / surgery*
Parasystole / complications*,  diagnosis,  surgery*
Treatment Outcome
Vena Cava, Inferior / surgery*

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