Why the study?
Does direct catheter force measurement reduce ablation time and procedure duration in patients with paroxysmal atrial fibrillation undergoing pulmonary vein isolation?
Population
50 consecutive patients with paroxysmal atrial fibrillation undergoing their first procedure of…
Comparison
Radiofrequency catheter ablation using a… vs Radiofrequency catheter ablation using a…
Design
Cohort
Key result
Radiofrequency catheter ablation with contact force measurement significantly reduced ablation time compared to a standard catheter (39.0 vs 50.5 minutes; P=0.007).
Authors
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Contact force sensing was associated with shorter ablation times; extends observational data but leaves open randomized confirmation of outcomes.
Does direct catheter force measurement reduce ablation time and procedure duration in patients with paroxysmal atrial fibrillation undergoing pulmonary vein isolation?
Absolute Event Rate: 39% vs 50.5%
p-value: p=0.007
The use of contact force sensing technology during radiofrequency catheter ablation for paroxysmal atrial fibrillation significantly reduces ablation time, total procedure duration, and total energy delivered compared to standard catheters.
Martinek et al. (2012) studied Paroxysmal atrial fibrillation (n=50). Radiofrequency catheter ablation with contact force measurement vs. Standard 3.5-mm open-irrigated-tip catheter was evaluated on Ablation time (radiofrequency time needed for pulmonary vein isolation) (p=0.007). Radiofrequency catheter ablation with contact force measurement significantly reduced ablation time compared to a standard catheter (39.0 vs 50.5 minutes; P=0.007).
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