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Title: The use of nonfluoroscopic catheter-based mapping system to perform radiofrequency ablation in complex ventricular tachycardia after cardiac surgery in congenital heart disease : A case report
Authors: Charn Sriratanasathavorn
Kertijai Bhuripanyo
Ongkarn Raungratanaamporn
Rungroj Krittayaphong
Koonlawee Nademanee
Burin Kwo-Sa-Ard
Suphachai Chaithiraphan
Mahidol University
Univ. of S. California Sch. of Med.
Keywords: Medicine
Issue Date: 1-Nov-2000
Citation: Journal of the Medical Association of Thailand. Vol.83, No.SUPPL. 2 (2000)
Abstract: A nonfluoroscopic electroanatomical cardiac mapping system (CARTO) integrates anatomical and electrophysiological information to reconstruct a three-dimensional activation map. Information from the CARTO system helps to reveal the mechanism and perform successful ablation in scar re-entry ventricular tachycardia after cardiac surgery. Three-dimensional activation and propagation mapping was performed in i. patient with ventricular tachycardia after surgical correction of a double outlet right ventricle. The ventricular tachycardia appeared in two morphologies and were refractory to antiarrhythmic medication including amiodarone. Both ventricular tachycardias were re-entered using the ventriculotomy scar but rotated in different directions. Successful radiofrequency ablation was performed by creating a line of conduction block from the pulmonic valve to the ventriculotomy scar using entrainment mapping and the ablation lesion tagging technique. The CARTO system is useful in mapping and guiding the ablation of complex ventricular tachycardia after surgical correction in congenital heart disease.
ISSN: 01252208
Appears in Collections:Scopus 1991-2000

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