Biosense mapping for ablation of ventricular tachycardia in cardiomyopathy

Using conventional technology, radiofrequency ablation of ventricular tachycardia in cardiomyopathy is frequently unsuccessful because of hemodynamic instability, multiple foci and recurrences. The Biosense CARTO nonfluoroscopic mapping and navigation system, when used to locate the area of the scar...

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Bibliographic Details
Published inJournal of the Medical Association of Thailand Vol. 83 Suppl 2; p. S206
Main Authors Bhuripanyo, K, Raungratanaamporn, O, Sriratanasathavorn, C, Krittayapong, R, Pooranawattanakul, S, Chaithiraphan, S, Nademanee, K
Format Journal Article
LanguageEnglish
Published Thailand 01.11.2000
Subjects
Adult
Catheter Ablation - methods
Electrocardiography
Electrophysiologic Techniques, Cardiac - methods
Female
Humans
Image Processing, Computer-Assisted
Male
Middle Aged
Myocardial Ischemia - complications
Tachycardia, Ventricular - complications
Tachycardia, Ventricular - surgery
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Summary:Using conventional technology, radiofrequency ablation of ventricular tachycardia in cardiomyopathy is frequently unsuccessful because of hemodynamic instability, multiple foci and recurrences. The Biosense CARTO nonfluoroscopic mapping and navigation system, when used to locate the area of the scar or reentry circuit, has the potential to improve the successful ablation, and reduce the rate of recurrence. We report 2 cases here of ventricular tachycardia in cardiomyopathy in which Biosense mapping was useful to identify the area of scar in 1 case, and the area of microreentry circuits in another. Radiofrequency ablation was possible and successful, while the use of conventional mapping was impossible or had recurrence.
ISSN:0125-2208