Why the study?
Does transcatheter laser photoablation create comparable lesions with fewer deleterious effects than electrode shock ablation in canine models?
Population
Isolated canine hearts (in vitro) and closed-chest anesthetized dogs (in vivo)
Comparison
Transcatheter laser irradiation (40 and 80 J) vs Transcatheter electrical shock (100 and 200 J)
Design
Preclinical
Follow-up
7 min after energy discharge
Authors
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Laser photoablation yields comparable lesions with fewer arrhythmias than shock in canines; leaves open translation to clinical ablation.
Does transcatheter laser photoablation create comparable lesions with fewer deleterious effects than electrode shock ablation in canine models?
Transcatheter laser photoablation can create controlled endocardial lesions with less energy and fewer deleterious effects than transcatheter electrode shock in a canine model.
Lee et al. (1985) studied this question.
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