From October 2015 to December 2019, 10,741 cases of CA for AF were
screened from the database of AF center of Anzhen Hospital. Fourteen
patients with kidney or liver
transplantation (9 patients with kidney transplantation and 5 patients
with liver transplantation) who underwent the first CA for AF were
enrolled in the present study. Meanwhile, another 56 AF patients without
kidney or liver transplantation matched by age, sex and AF type were
selected as the controls (4 controls for each renal or hepatic
transplant recipient). The exclusion criteria included valvular AF,
previous CA for AF and a follow-up of less than six months.