Effective pulmonary vein isolation utilizing a cryoballoon depends on complete pulmonary vein occlusion. The point of occlusion can be effectively predicted by direct analysis of pulmonary vein pressure waveform analysis during balloon inflation using a simple and reproducible technique.
Kosmidou, I., Wooden, S., Jones, B., Deering, T., Wickliffe, A., Dan, D. Direct Pressure Monitoring Accurately Predicts Pulmonary Vein Occlusion During Cryoballoon Ablation. J. Vis. Exp. (72), e50247, doi:10.3791/50247 (2013).