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

  • De Maat G
  • Hummel Y
  • Pozzoli A
  • et al.
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Abstract

Objective . Thoracoscopic surgical pulmonary vein isolation (sPVI) has been added to the treatment of atrial fibrillation (AF), showing excellent efficacy outcomes. However, data on right ventricular (RV) function following sPVI has never been studied. Our aim was to investigate RV function following sPVI and compare it to patients who underwent endocardial cryoballoon PVI. Methods . 25 patients underwent sPVI and were pair-matched according to age, sex, and AF type with 21 patients who underwent cryoballoon PVI. RV function was measured using tricuspid annular plane systolic excursion (TAPSE) and RV strain with 2D speckle tracking. Echocardiography was performed at baseline and at median 6-month follow-up. Results . Age was 54 ± 9 years and 84% were male; AF was paroxysmal in 92%. In the sPVI group, TAPSE was reduced with 31% at follow-up echocardiography (p<0.001) and RV strain showed a 25% reduction compared to baseline (p=0.018) . In the control group, TAPSE and RV strain did not change significantly (−3% and +13%, p=0.410 and p=0.148 ). Change in TAPSE and RV strain was significantly different between groups ( p≤0.001 and p=0.005 ). Conclusions . This study shows that RV function is significantly decreased following sPVI. This effect was not observed in the cryoballoon PVI control group.

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APA

De Maat, G. E., Hummel, Y. M., Pozzoli, A., Alfieri, O. R., Rienstra, M., Blaauw, Y., … Mariani, M. A. (2018). Impact of Thoracoscopic Pulmonary Vein Isolation on Right Ventricular Function: A Pilot Study. BioMed Research International, 2018, 1–5. https://doi.org/10.1155/2018/7392435

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