May 1, 2015Indian Pacing and Electrophysiology JournalOpen Access

Pulmonary vein isolation using new technologies to improve ablation lesion formation: Initial results comparing enhanced catheter tip irrigation (Surround Flow®) with contact force measurement (Smarttouch®)

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Why the study?

Does contact force guided PVI compared to enhanced tip irrigation PVI improve procedural metrics or sinus rhythm maintenance in patients with paroxysmal AF?

Population

59 patients with paroxysmal atrial fibrillation (AF) undergoing pulmonary vein isolation (PVI)

Comparison

Circumferential PVI using contact force guided… vs Circumferential PVI using enhanced tip…

Design

Cohort

Follow-up

6 months

Authors

SFStephanie FichtnerElectrophysiology TRTilko ReentsElectrophysiology SASonia AmmarBloomsburg University

Discussion

Member takes

Implication

Comparable outcomes support no clear advantage for contact force guidance; hypothesis-generating and should not yet change practice in paroxysmal AF.

Structured PICO

Does contact force guided PVI compared to enhanced tip irrigation PVI improve procedural metrics or sinus rhythm maintenance in patients with paroxysmal AF?

Population

59 patients with paroxysmal atrial fibrillation (AF) undergoing pulmonary vein isolation (PVI)

Intervention

Circumferential PVI using contact force (CF) guided ablation catheter (Thermocool Smarttouch®) (n=30)

Comparator

Circumferential PVI using enhanced tip irrigation ablation catheter (Thermocool Surround Flow SF®) (n=29)

Outcome

Procedure time, fluoroscopy time/dose, RF-application duration, completeness of PVI, and presence of sinus rhythm off antiarrhythmic medication at 6 months follow-up

Contact force-guided PVI and enhanced tip irrigation PVI demonstrated similar procedural efficiency and 6-month efficacy for maintaining sinus rhythm in paroxysmal AF.

Cite This Study

Fichtner et al. (2015) studied this question.

synapsesocial.com/papers/6a86a1549ae73ca7550cf981 https://doi.org/10.1016/j.ipej.2015.07.004

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Implication

Comparable outcomes support no clear advantage for contact force guidance; hypothesis-generating and should not yet change practice in paroxysmal AF.

Pulmonary vein isolation using new technologies to improve ablation lesion formation: Initial results comparing enhanced catheter tip irrigation (Surround Flow®) with contact force measurement (Smarttouch®)

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Pulmonary vein isolation using new technologies to improve ablation lesion formation: Initial results comparing enhanced catheter tip irrigation (Surround Flow®) with contact force measurement (Smarttouch®)

Discussion

Member takes

Implication

Structured PICO

Cite This Study

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