Key result
An electrical impedance method using spline curve interpolation provided reasonably accurate predictions of catheter tip electrode insertion depth into the endocardium during in vitro measurements.
Why the study?
Does electrical impedance measurement accurately predict catheter-endocardial contact depth during RF cardiac ablation in an in vitro model?
Population
In vitro model for radio-frequency (RF) cardiac catheter ablation
Comparison
Electrical impedance measurement between the… vs Alternative methods
Design
Preclinical
Authors
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May support impedance-based contact feedback in ablation; leaves open in vivo validation before any clinical consideration.
Does electrical impedance measurement accurately predict catheter-endocardial contact depth during RF cardiac ablation in an in vitro model?
Electrical impedance can be used to predict catheter-endocardial contact depth during RF ablation, potentially improving procedural feedback.
Cao et al. (2002) studied Radio-frequency (RF) cardiac catheter ablation. Electrical impedance method was evaluated on Catheter tip electrode insertion depth into the endocardium. An electrical impedance method using spline curve interpolation provided reasonably accurate predictions of catheter tip electrode insertion depth into the endocardium during in vitro measurements.
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