ArticleFrontiers in cardiovascular medicine2025
A multicenter analysis of implantable monitoring device-based diagnosis of supraventricular arrhythmia post patent foramen ovale closure: the OCCL-ILR study.
Article in Frontiers in cardiovascular medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Patent Foramen Ovale: Epidemiology, Risk Factors, Pathophysiology, Clinical Features, Diagnosis, and Management.MedComm · 2026Review
- Long-term incidence of first hospital-recorded atrial arrhythmias and all-cause mortality after percutaneous patent foramen ovale closure: a single-centre cohort linked to Czech nationwide administrative health data.Frontiers in cardiovascular medicine · 2026Article
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22 authors.
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Abstract
Background: Recent data suggest that the true incidence of atrial fibrillation (AF) after patent foramen ovale (PFO) closure has probably been underestimated, and may differ according to the type of closing device used. Objectives: On the basis of continuous rhythm monitoring with an implantable device, this study aims to assess the incidence of supraventricular arrhythmia following PFO closure with the Occlutech PFO device. Methods: This is a multicentric analysis of consecutive PFO closure patients treated with an Occlutech device between 01/01/2019 and 20/03/2024, with an implantable loop recorder (IRL) (or a pacemaker or implantable cardioverter defibrillator) implanted for at least 3 months preceding the procedure, and with available follow-up for at least 1month post procedure. Primary endpoint was the incidence of patients with new onset supraventricular arrhythmia (AF, atrial flutter or any supraventricular tachycardia) lasting >30 s, post PFO closure. Results: A total of 59 patients met the inclusion criteria. Patients were monitored (95% with ILR) during 284 days (IQR 241.5-374) before, and for 422 days (IQR 237-776) post PFO closure. Supraventricular arrhythmia post PFO closure was reported in 18 patients (31%), with median time-interval until arrhythmia occurrence of 16.5 days (IQR 13-21). A total of 88 supraventricular arrhythmia events (96.6% AF) were documented during follow-up. In 94.4% of patients with supraventricular arrhythmia, new-onset arrhythmia occurred in the first 45 days after PFO closure. Six patients (33.3%) with supraventricular arrhythmia post PFO closure, presented AF episodes beyond 60 days after PFO closure. Conclusions: In this multicenter retrospective analysis of patients undergoing percutaneous PFO closure with the Occlutech PFO device, implantable continuous rhythm monitoring devices were able to diagnose new-onset supraventricular arrhythmia (97% AF) after PFO closure in 31% of patients. While 94% of new-onset supraventricular arrhythmia events occurred in the first 45 days post-procedure, one-third of patients with arrhythmia post PFO closure presented AF episodes beyond 60 days post procedure.
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