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Updated: Mar 12, 2026

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation
Published on: February 28, 2012
[Implantable loop recorder in atrial fibrillation and after catheter ablation]
K Fikenzer1, N Dagres2, G Hindricks2
1Abt. für Rhythmologie, Herzzentrum Leipzig-Universitätsklinik, Klinik für Innere Medizin/Kardiologie, Strümpellstr. 39, 04289, Leipzig, Deutschland. kati.fikenzer@helios-kliniken.de.
Background:
Implantable loop recorders (ILR) are an established diagnostic method for detection of cardiac arrhythmias including atrial fibrillation.
Objective:
The aim of this work is to provide an overview of available data and indications of ILR in atrial fibrillation, especially after catheter ablation, in order to illustrate practice-oriented recommendations.
Materials And Methods:
We conducted a selective PubMed literature search.
Results And Discussion:
ILR can record asymptomatic/rare atrial fibrillation episodes and prevent thromboembolic events by allowing timely initiation of oral anticoagulation. They can be used to assess therapeutic success after percutaneous or surgical ablation, if despite increased thromboembolic risk, no oral anticoagulation is desired. ILR equipped with remote monitoring function and special P wave detection algorithms may improve diagnostic confidence.

