The purpose of this study is to perform a prospective, randomised study investigating the safety and efficacy of cryoballoon catheter ablation compared with radiofrequency ablation(contact force), in the treatment of persistent AF.
The hypotheses for this study is that cryothermal energy is as effective and safe as using radiofrequency energy in the treatment of persistent AF and is associated with a better long term outcome.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
200
use Cryoballoon to isolation the Pulmonary Vein
use Radiofrequency Energy(Contact Force) to isolation the Pulmonary Vein
First Affiliated Hospital of Xinjiang Medical University
Ürümqi, Xinjiang, China
RECRUITINGNumber of participants with successful Pulmonary Vein Isolation
Time frame: in one year
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