Clinical Study

The Impact of Left Atrial Size in Catheter Ablation of Atrial Fibrillation Using Remote Magnetic Navigation

Table 1

Baseline characteristics of patients.

Group A ()Group B ()Total () value

Gender (male/female)51/3250/32101/640.951
Age (years)58.0 ± 11.561.1 ± 9.360.7 ± 10.90.054
Height (cm)167.5 ± 6.8167.1 ± 7.9167.3 ± 7.50.652
Weight (kg)66.5 ± 8.672.8 ±18.469.6 ± 14.70.006
BMI (kg/m2)23.6 ± 2.125.6 ± 3.024.6 ± 2.8<0.001
Paroxysmal/nonparoxysmal AF71/1242/40113/52<0.001
Course of AF (month)36.0 (48.0)24.0 (60.0)36.0 (48.0)0.651
Basic diseases
Hypertension4365108<0.001
Diabetes46100.729
Coronary heart disease1015250.263
Stroke1314270.807
LVEF (%)63.9 ± 4.262.3 ± 4.662.8 ± 4.50.113
LA diameter (mm)35.0 ± 3.144.2 ± 3.239.6 ± 5.6<0.001
Four classical pulmonary vein ostia patterns/not60/2360/22120/450.899

BMI: body mass index; AF: atrial fibrillation; LVEF: left ventricular ejection fraction. values listed were calculated between Groups A and B.