Document Detail


Electroanatomical mapping-guided endocardial and epicardial ablation of sustained ventricular tachycardia originating from alcohol septal ablation-induced scar in a patient with hypertrophic obstructive cardiomyopathy.
MedLine Citation:
PMID:  20384654     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
Ventricular Tachycardia After Alcohol Septal Ablation. A 76-year-old female developed 2 different ventricular tachycardias (VTs) 5 years after alcohol septal ablation (ASA) for symptomatic hypertrophic obstructive cardiomyopathy. VT#1 was a small macroreentry at the anterior border of the low-voltage zone, suggesting the ASA-scar and eliminated by endocardial ablation at a site recording fractionated potentials covering the mid-diastolic and presystolic periods. VT#2 was a focal VT and eliminated by epicardial cryoablation at the basal posterior left ventricle, suggesting the posterior border of the ASA-scar. Using the electroanatomical mapping, we demonstrated that the mechanism of the VTs was reentry at the edge of the ASA-scar.
Authors:
Hiroshige Murata; Yasushi Miyauchi; Takashi Nitta; Kyoichi Mizuno
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of cardiovascular electrophysiology     Volume:  21     ISSN:  1540-8167     ISO Abbreviation:  J. Cardiovasc. Electrophysiol.     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-11-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9010756     Medline TA:  J Cardiovasc Electrophysiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1296-9     Citation Subset:  IM    
Copyright Information:
© 2010 Wiley Periodicals, Inc.
Affiliation:
Division of Cardiology, Department of Internal Medicine, Nippon Medical School, Japan. s7086@nms.ac.jp
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