Impact of Thoracoscopic Pulmonary Vein Isolation on Right Ventricular Function: A Pilot Study
Table 2
Echocardiography outcomes.
sPVI group echocardiography
CRYO group echocardiography
Parameter
Baseline
Follow-up
value
Baseline
Follow-up
value
LV ejection fraction (%)
60 ± 5
57 ± 5
0.062
60 ± 6
58 ± 7
0.198
LA volume (mm3)
75 ± 19
78,3 ± 23.6
0.674
79 ± 26
71.0 ± 26.0
0.209
LA volume indexed
33,7 ± 6
35,8 ± 10.2
0.430
36.3 ± 11
34.0 ± 12.5
0.414
RA length (mm)
57,8 ±
57,4 ± 5.3
0.647
52.8 ±
50.1 ± 5.5
0.048
RA width (mm)
43,7 ± 5.9
43,7 ± 5.1
0.835
41.6 ± 5.1
37.6 ± 5.8
0.035
RVEDD (%)
38,8 ± 5.5
39,0 ± 5.3
0.771
39.6 ± 7.9
37.4 ± 4.5
0.332
TAPSE (mm)
26,6 ±
18,3 ± 3.8
<0.001
23.9 ±
23.1 ± 4.5
0.410
RV strain (%)
24.4 ± 3.7
18.8 ± 4.6
0.018
21.0 ± 6.9
23.7 ± 5.2
0.148
LA: left atrial; LV: left ventricular; RA: right atrial; RVEDD: right ventricle end diastolic diameter; sPVI: surgical pulmonary vein isolation; TAPSE: tricuspid annular plane systolic excursion. Significant difference between groups at baseline.