Research Article

Impact of Thoracoscopic Pulmonary Vein Isolation on Right Ventricular Function: A Pilot Study

Table 2

Echocardiography outcomes.

sPVI group echocardiographyCRYO group echocardiography
ParameterBaselineFollow-up valueBaselineFollow-up value

LV ejection fraction (%)60 ± 557 ± 50.06260 ± 658 ± 70.198
LA volume (mm3)75 ± 1978,3 ± 23.60.67479 ± 2671.0 ± 26.00.209
LA volume indexed33,7 ± 635,8 ± 10.20.43036.3 ± 1134.0 ± 12.50.414
RA length (mm)57,8 ±  57,4 ± 5.30.64752.8 ±  50.1 ± 5.50.048
RA width (mm)43,7 ± 5.943,7 ± 5.10.83541.6 ± 5.137.6 ± 5.80.035
RVEDD (%)38,8 ± 5.539,0 ± 5.30.77139.6 ± 7.937.4 ± 4.50.332
TAPSE (mm)26,6 ±  18,3 ± 3.8<0.00123.9 ±  23.1 ± 4.50.410
RV strain (%)24.4 ± 3.718.8 ± 4.60.01821.0 ± 6.923.7 ± 5.20.148

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.