Why the study?
Does irrigated tip catheter ablation increase lesion size and tissue temperatures compared to standard temperature-controlled ablation in an in vitro porcine myocardium model?
Population
In vitro strips of porcine left ventricular myocardium
Comparison
Temperature-controlled irrigated tip ablation… vs Standard temperature-controlled ablation at 70°C
Design
Preclinical
Authors
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Produces larger lesions in porcine models; leaves open translation to clinical ablation safety and efficacy.
Does irrigated tip catheter ablation increase lesion size and tissue temperatures compared to standard temperature-controlled ablation in an in vitro porcine myocardium model?
Irrigated tip catheter ablation increases lesion size and tissue temperatures compared with standard ablation, but carries a risk of crater formation at tissue temperatures > 100°C.
Petersen et al. (2000) studied this question.
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