Key result
The temperature response to a 1-W-5-second low power radiofrequency test pulse strongly correlated with heating efficiency during subsequent radiofrequency ablation (correlation coefficient 0.88).
Why the study?
Does the temperature response to a low power radiofrequency test pulse correlate with the heating efficiency during radiofrequency ablation in patients with supraventricular tachycardias?
Population
71 ablation attempts for drug refractory supraventricular tachycardias
Design
Cohort
Authors
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May aid SVT ablation efficiency prediction; hypothesis-generating and requires prospective validation before practice change.
Observational (n=71)
Does the temperature response to a low power radiofrequency test pulse correlate with the heating efficiency during radiofrequency ablation in patients with supraventricular tachycardias?
Effect estimate: correlation coefficient 0.88
A low power radiofrequency test pulse can accurately predict heating efficiency during subsequent radiofrequency ablation, potentially aiding in catheter mapping and ablation procedures.
Schumacher et al. (1999) conducted an observational in drug refractory supraventricular tachycardias (n=71). low power radiofrequency test pulse was evaluated on Correlation between heating efficiency at low power and during radiofrequency ablation (correlation coefficient 0.88). The temperature response to a 1-W-5-second low power radiofrequency test pulse strongly correlated with heating efficiency during subsequent radiofrequency ablation (correlation coefficient 0.88).
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