Detection of atrial fibrillation using an implantable loop recorder in patients with previous cryptogenic stroke: the SPIDER-AF registry (Stroke Prevention by Increasing DEtection Rates of Atrial Fibrillation)
- 23.08.2023
- Original Paper
Erschienen in:
- Verfasst von
- Karin Rybak
- Giuseppe D´Ancona
- Simon Glück
- Winfried Haerer
- Franz Goss
- for the SPIDER-AF Investigators
- Erschienen in
- Clinical Research in Cardiology | Ausgabe 12/2023
Abstract
Background
The use of implantable loop recorder (ILR) to detect atrial fibrillation (AF) in patients with a history of cryptogenic stroke (CS) has seldom been investigated in “real-world” settings.
Objective
This study aimed to present the results of the Stroke Prevention by Increasing DEtection Rates of Atrial Fibrillation (SPIDER-AF) registry.
Method
SPIDER is a multicentric, observational registry, including 35 facilities all over Germany. It enrolled outpatients without AF history and with CS before ILR implantation.
Results
We included 500 patients (mean age 63.1 ± 12.7 years), 304 (60.8%) were males, with previous stroke (72.6%) and TIA (27.4%). After inclusion, all were followed for at least 12 months. AF was detected in 133 (26.8%), 25.3% of patients with previous stroke and 29.9% with TIA (p = 0.30). AF was detected after a median of 121.5 days (IQR 40.5–223.0). AF was primarily paroxysmal (95.7% after stroke, 100% after TIA). In 19.5% (n = 26) anticoagulation was not administered after AF detection. Mean CHA2DS2-VASc score (OR 1.22; CI 1.01–1.49; p = 0.037) and age > 70 years (OR 0.41; CI 0.19–0.88; p = 0.0020) correlated with AF. Repeat cerebrovascular events at follow-up (28; 5.6%) correlated with AF (OR = 2.17; CI 1.00–4.72; p = 0.049). AF (p = 0.91) and recurrent events (p = 0.43) occurred similarly in females and males.
Conclusions
In the context of cryptogenic strokes ILRs are a valuable tool for early detection of AF. In a real-world scenario, the anticoagulation therapy remains inadequate despite diagnosed AF in a relevant subset of patients requiring optimization of patient management.
Graphical abstract
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- Titel
- Detection of atrial fibrillation using an implantable loop recorder in patients with previous cryptogenic stroke: the SPIDER-AF registry (Stroke Prevention by Increasing DEtection Rates of Atrial Fibrillation)
- Verfasst von
-
Karin Rybak
Giuseppe D´Ancona
Simon Glück
Winfried Haerer
Franz Goss
for the SPIDER-AF Investigators
- Publikationsdatum
- 23.08.2023
- Verlag
- Springer Berlin Heidelberg
- Erschienen in
-
Clinical Research in Cardiology / Ausgabe 12/2023
Print ISSN: 1861-0684
Elektronische ISSN: 1861-0692 - DOI
- https://doi.org/10.1007/s00392-023-02283-4
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