December 15, 2009Journal of Cardiovascular Electrophysiology
A Novel Cryoballoon Technique for Mapping and Isolating Pulmonary Veins: A Feasibility and Efficacy Study
Why the study?
Is a simplified cryoballoon technique using a central lumen mapping catheter feasible and effective for pulmonary vein isolation in patients with paroxysmal atrial fibrillation?
Population
23 consecutive patients with paroxysmal atrial fibrillation (AF)
Design
Case_series
Follow-up
7.4 months (range 2-18 months)
Authors
Discussion
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Member takes
Implication
Central lumen mapping may enable real-time PVI during cryoballoon ablation; hypothesis-generating and requires prospective validation before practice change.
Structured PICO
Is a simplified cryoballoon technique using a central lumen mapping catheter feasible and effective for pulmonary vein isolation in patients with paroxysmal atrial fibrillation?
P
Population
23 consecutive patients with paroxysmal atrial fibrillation (AF)
I
Intervention
Simplified cryoballoon technique using a 6-pole microcircular mapping catheter (0.035-inch shaft diameter) introduced into the central lumen of a cryoballoon catheter for mapping and ablation
O
Outcome
Complete isolation of pulmonary veins
The use of a 6-pole micromapping catheter inserted through the central lumen of a cryoballoon catheter is a feasible and effective technique for real-time mapping and isolation of pulmonary veins in paroxysmal AF.
Cite This Study
Tang et al. (2009) studied this question.