Key result
Intracardiac echocardiography accurately guided catheter ablation in dogs, creating lesions a mean of 1.9 +/- 2.1 mm from the targeted site, and identified microcavitations predicting thrombus.
Why the study?
Does intracardiac echocardiography accurately guide radiofrequency catheter ablation in the right atrium in an animal model?
Population
9 anesthetized dogs
Design
Preclinical
Authors
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Supports ICE feasibility for right atrial ablation in animals; leaves open human validation trials.
Does intracardiac echocardiography accurately guide radiofrequency catheter ablation in the right atrium in an animal model?
Intracardiac echocardiography is feasible for accurately guiding radiofrequency catheter ablation in the right atrium, confirming tissue contact, and monitoring for thrombus formation in a canine model.
Chu et al. (1994) studied Radiofrequency catheter ablation (n=9). Intracardiac echocardiography-guided radiofrequency catheter ablation was evaluated on Distance of created lesions from the ultrasound-guided site. Intracardiac echocardiography accurately guided catheter ablation in dogs, creating lesions a mean of 1.9 +/- 2.1 mm from the targeted site, and identified microcavitations predicting thrombus.
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