Key result
Intracardiac echocardiography and temperature decay (T90) significantly correlated with lesion depth during radiofrequency ablation (r=0.56, P=0.001 and r=0.48, P=0.008), whereas fluoroscopy did not.
Why the study?
Does ICE and temperature decay (T90) provide superior assessment of electrode-myocardial contact compared to fluoroscopy during linear radiofrequency microcatheter ablation in a goat model?
Population
60 endocardial lesions created in the atria and ventricles of six goats
Comparison
Intracardiac echocardiography and temperature… vs Fluoroscopic assessment of electrode contact
Design
Preclinical
Authors
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Supports ICE/T90 over fluoroscopy for contact assessment in animal ablation models; leaves open human translation.
Does ICE and temperature decay (T90) provide superior assessment of electrode-myocardial contact compared to fluoroscopy during linear radiofrequency microcatheter ablation in a goat model?
p-value: p=0.001
Intracardiac echocardiography and temperature decay (T90) provide superior assessment of electrode-myocardial contact compared to fluoroscopy during linear radiofrequency microcatheter ablation.
Keane et al. (2009) studied Cardiac microcatheter ablation (n=6). Intracardiac echocardiography (ICE) and temperature decay (T90) vs. Fluoroscopy was evaluated on Correlation of lesion depth with assessment of electrode contact (p=0.001). Intracardiac echocardiography and temperature decay (T90) significantly correlated with lesion depth during radiofrequency ablation (r=0.56, P=0.001 and r=0.48, P=0.008), whereas fluoroscopy did not.
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