Bachmann’s Bundle Modification in Addition to Circumferential Pulmonary Vein Isolation for Atrial Fibrillation: A Novel Ablation Strategy
Table 2
Baseline characteristics of patients with paroxysmal AF.
Baseline characteristics
Nonmatched groups
Matched groups
CPVI (n = 139)
CPVI-BB (n = 53)
value
CPVI (n = 41)
CPVI-BB (n = 41)
value
Age, year
60.00 ± 9.91
60.79 ± 10.88
0.630
62.73 ± 7.71
60.80 ± 11.38
0.372
Male
82 (59.0%)
33 (62.3%)
0.679
22 (53.7%)
25 (61.0%)
0.503
BMI, kg/m2
25.09 ± 3.09
24.93 ± 2.65
0.753
25.10 ± 2.26
25.03 ± 2.45
0.899
Hypertension
64 (46.0%)
28 (52.8%)
0.400
18 (43.9%)
21 (51.2%)
0.507
DM
25 (18.0%)
20 (37.7%)
0.004
12 (29.3%)
12 (29.3%)
1.000
CAD
25 (18.5%)
14 (26.4%)
0.230
9 (22.0%)
10 (24.4%)
0.794
History of stroke
21 (15.1%)
14 (26.4%)
0.07
11 (26.8%)
10 (24.4%)
0.800
Heart failure
1 (0.7%)
2 (3.8%)
0.185
1 (2.4%)
1 (2.4%)
1.000
Smoking
51 (36.7%)
15 (28.3%)
0.274
11 (26.8%)
10 (24.4%)
0.800
Drinking
39 (28.1%)
16 (30.2%)
0.770
13 (31.7%)
10 (24.4%)
0.461
CHA2DS2-VASc score
2 (1–3)
2 (1–4)
0.053
2 (1–4)
2 (1–3)
0.899
LVEF, %
61.30 ± 4.71
61.04 ± 5.30
0.738
60.30 ± 4.80
61.4 ± 5.7
0.358
LAD, mm
36.53 ± 4.15
37.06 ± 5.02
0.462
37.40 ± 4.20
36.8 ± 5.0
0.549
NT-pro BNP
159 (68–341)
161 (68–344)
0.857
143 (78–468)
129 (68–344)
0.558
Total LA area, cm2
198.33 ± 28.67
204.34 ± 34.60
0.298
180.24 ± 33.12
186.97 ± 32.22
0.577
Scar area/total LA area, %
1.33 ± 1.98
1.42 ± 0.81
0.897
1.40 ± 1.62
1.39 ± 0.92
0.901
Values are reported as mean ± standard deviation or n (%). BMI: body mass index; DM: diabetes mellitus; CAD: coronary artery disease; LVEF: left ventricular ejection fraction; LAD: left atrium diameter; BNP: brain natriuretic peptide; LA: left atrial.
