The influence of general anesthesia on catheter-related parameters
during pulmonary vein isolation
Abstract
Abstract Aims: Pulmonary vein isolation (PVI) is the main treatment of
atrial fibrillation (AF), which can be performed under general
anesthesia or conscious analgesia. The use of general anesthesia may
improve contact force (CF) and mapping system accuracy compared to
conscious sedation, but its influence on catheter swing and ablation
index (AI) during PVI has not previously been investigated. Methods: The
study population included 20 patients with Af who first underwent PVI
procedure:10 patients adopted general anesthesia (GA) and 10 patients
adopted conscious sedation (CS). We retrospectively analyzed the
difference of catheter swing, CF, AI and distance between ablation
points during PVI in two groups. Results: The swing of catheter was
significantly higher in the CS group than in the GA group. On the
contrary, CF increased in GA group. The AI and the distance between
ablation points has no difference between the groups. In addition, GA
was associated with lower pulmonary vein reconnection, total ablation
points and supplemental ablation points. Conclusion: GA reduced catheter
swing and improves CF during PVI compared with CS.