https://www.selleckchem.com/pr....oducts/clozapine-n-o
The novel fourth-generation cryoballoon (4 -C is characterized by a shorter-tip that potentially facilitates better time-to-isolation(TTI) monitoring. We sought to clarify the advantages and disadvantages of the 4 -CB compared to the second-generation cryoballoon (2 -C inpulmonary vein isolation (PVI). Forty-one and 49 consecutive atrial fibrillation patients underwent 2 -CB and 4th-CB PVIs using 28-mm balloons and short freeze strategies.When effective freezing was not obtained, the CB was switched to the other CB. The ra