Study population
Consecutive patients with paroxysmal AF who underwent the initial PVI
procedure with CBA in our center between December 2021 and June 2022
were prospectively enrolled. Patients with previous ablation history,
significant valvular abnormalities, and intracardiac thrombus were
excluded from the study. The baseline characteristics were prospectively
collected. The procedural data were prospectively collected and
retrospectively analyzed. The study was approved by the institutional
review board, and all participants gave written informed consent. This
study complies with the Declaration of Helsinki. The study was reviewed
and approved by the ethics committee of Fuwai Yunnan Cardiovascular
Hospital.