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Percutaneous left atrial appendage occlusion in patients with a cardiac implantable electronic device
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Percutaneous left atrial appendage occlusion in patients with a cardiac implantable electronic device
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Journal Article
Percutaneous left atrial appendage occlusion in patients with a cardiac implantable electronic device
2023
Overview
Background
Left atrial appendage occlusion (LAAO) may be a viable option for stroke prevention in patients with non-valvular atrial fibrillation and a contraindication for oral anticoagulation. No evidence evaluating the safety of this procedure in patients with a cardiac implantable electronic device (CIED) exists. The aim of this study was to evaluate whether CIED function is affected by LAAO and to explore LAAO procedural characteristics and complications in patients with a CIED.
Methods
This single-center cohort study included consecutive patients scheduled for percutaneous LAAO. Patients with a CIED prior to LAAO were selected and compared to the patients without CIED, concerning procedural characteristics and peri-procedural complications. In the group of patients with CIEDs, essential pacemaker integrity parameters were compared before and after the procedure to detect possible micro and macro lead displacements.
Results
Thirty-one patients with CIED were scheduled for LAAO (age 73.7 ± 5.4 years, 65% males, CHA
2
DS
2
-VASc 4.3 ± 1.5, and HAS-BLED 3.3 ± 1.0). The 245 patients without CIED were younger, and HAS-BLED-score was slightly lower (69.4 ± 8.2 years,
p
< 0.001; 2.8 ± 1.0,
p
= 0.022). Patients without CIED more frequently underwent LAAO combined with catheter ablation (
p
= 0.002). All other procedural characteristics were comparable between both groups. No visible lead displacement was observed on chest X-ray after LAAO. Additionally, no differences in impedance, threshold, or intracardiac sensing in various CIED lead locations were found prior versus post LAAO.
Conclusion
This study supports the feasibility and safety of LAAO in patients with a CIED.
Publisher
Springer US,Springer Nature B.V
Subject
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