Table 1 Patient Characteristics and LA Size stratified by AF Recurrence
Variable | Patient Study cohort | P-value | |
|---|---|---|---|
No AF recurrence after PVI | AF recurrence after PVI | ||
Number, n | 46 | 28 | |
Age mean (SD), year | 62.9 (11.26) | 68.2 (8.83) | 0.084 |
Gender—n (%) | 0.370 | ||
Male | 32 (69.6) | 16 (59.3) | |
Female | 14 (30.4) | 11 (40.7) | |
Body mass index mean (SD), kg/m2 | 30.0 (4.23) | 29.2 (5.22) | 0.229 |
Ejection fraction mean (SD), % | 56.3 (8.62) | 54.5 (13.19) | 0.611 |
CHADS VASc score—n (%) | 0.721 | ||
0 | 5 (10.9) | 1 (3.7) | |
1 | 6 (13.0) | 7 (25.9) | |
2 | 16 (34.8) | 5 (18.5) | |
3 | 6 (13.0) | 6 (22.2) | |
4 | 10 (21.7) | 6 (22.2) | |
5 | 3 (6.5) | 1 (3.7) | |
6 | 0 | 1 (3.7) | |
AF Type—n (%) | 0.051 | ||
Paroxysmal | 22 (47.8) | 7 (25.0) | |
Persistent | 24 (52.2) | 21 (75.0) | |
AF duration mean (SD), months | 20.1 (36.91) | 27.0 (30.67) | 0.058 |
Accessory pulmonary vein—n (%) | 5 (10.9) | 7 (25.0) | 0.192 |
Common pulmonary vein antrum, n (%) | 10 (21.7) | 2 (7.1) | 0.118 |
Separate ostia pulmonary veins, n (%) | 3 (6.5) | 2 (7.1) | 1.000 |
Prior pulmonary vein isolation, n (%) | 2 (4.3) | 1 (3.6) | 1.000 |
LA volume by CT, mean (SD), mL | 103.7 (32.77) | 129.2 (37.96) | 0.004 |
LAVI by CT mean, (SD), mL/m2 | 51.0 (16.57) | 63.4 (18.16) | 0.007 |
LA Diameter by echocardiography, mean (SD), cm | 4.13 (0.64) | 4.20 (0.63) | 0.872 |
LA Area by echocardiography MEAN (SD), cm2 | 20.8 (5.50) | 22.7 (5.30) | 0.175 |
LA volume by echocardiography, Mean (SD), mL | 66.8 (23.54) | 76.4 (28.95) | 0.174 |
LAVI by echocardiography, mean (SD), mL/m2 | 32.8 (11.67) | 37.7 (14.41) | 0.256 |