Left Atrial Appendage Exclusion in Atrial Fibrillation Radiofrequency Ablation during Mitral Valve Surgery: A Single-Center Experience
Table 1
Baseline characteristics of the total study population and of the subgroups of patients who underwent and did not undergo LAA surgical exclusion.
Variables
Total population (n = 100)
Patients with LAA surgical exclusion (n = 52)
Patients without LAA surgical exclusion (n = 48)
p value
Age (mean, years)
65 ± 12
63 ± 10.5
66 ± 13
0.271
Females (n)
64
34
30
0.764
AF subtype
Paroxysmal
31
17
14
0.674
Persistent
69
35
34
0.782
Type II diabetes (n)
11
7
4
0.413
Type I diabetes (insulin-dependent) (n)
9
5
4
1
Hyperlipidemia (n)
24
14
10
0.476
COPD (n)
9
5
4
1
Hypertension (n)
59
31
28
0.896
Smoking (n)
44
24
20
0.652
Previous CVA/TIA (n)
14
8
6
0.678
Chronic kidney disease (n)
33
18
15
0.721
NYHA III-IV (n)
46
21
25
0.168
History of endocarditis (n)
11
7
4
0.322
Warfarin preprocedural therapy (n)
85
44
41
0.911
Left ventricle ejection fraction (mean)
55.9 ± 11
54.6 ± 11.5
56 ± 9.2
0.341
Mitral valve disease
Mitral stenosis
19
9
10
0.99
Mitral regurgitation
81
43
38
0.786
Mitral valve replacement with mechanical prosthesis (n)
10
6
4
0.743
Mitral valve replacement with biological prosthesis (n)
29
18
11
0.198
Mitral valve repair (n)
61
29
32
0.264
COPD: chronic obstructive pulmonary disease; CVA: cerebrovascular accident; NYHA: New York Heart Association; TIA: transient ischaemic attack. A value < 0.05 was considered statistically significant.
