Early atrial fibrillation detection is associated with higher arrhythmic burden in patients with loop recorder after an embolic stroke of undetermined source

Capocci, Sofia; Tomasi, Luca; Zivelonghi, Cecilia; Bolzan, Bruna; Berton, Giuseppe; Strazzanti, Mattia; Franchi, Elena; Tomei, Ruggero; Vassanelli, Francesca; Cappellari, Manuel; Ribichini, Flavio; Mugnai, Giacomo

doi:10.1016/j.ijcrp.2023.200186

International Journal of Cardiology Cardiovascular Risk and Pre

2023

DOI: 10.1016/j.ijcrp.2023.200186

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Early atrial fibrillation detection is associated with higher arrhythmic burden in patients with loop recorder after an embolic stroke of undetermined source

Sofia Capocci

Luca Tomasi

Cecilia Zivelonghi

et al.

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2024

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Predictors of atrial fibrillation after embolic stroke of undetermined source in patients with implantable loop recorders

Kreimer,

Aweimer,

El-Battrawy

et al. 2024

Neurol Sci

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Background In patients with embolic stroke of undetermined source (ESUS), underlying subclinical atrial fibrillation (AF) is often suspected. Previous studies identifying predictors of AF have been limited in their ability to diagnose episodes of AF. Implantable loop recorders enable prolonged, continuous, and therefore more reliable detection of AF. The aim of this study was to identify clinical and ECG parameters as predictors of AF in ESUS patients with implantable loop recorders. Methods 101 ESUS patients who received an implantable loop recorder between 2012 and 2020 were included in this study. Patients were followed up regularly on a three-monthly outpatient interval. Results During a mean follow-up of 647 ± 385 days, AF was detected in 26 patients (26%). Independent risk factors of AF were age ≥ 60 years (HR 2.753, CI 1.129–6.713, p = 0.026), P-wave amplitude in lead II ≤ 0.075 mV (HR 3.751, CI 1.606–8.761, p = 0.002), and P-wave duration ≥ 125 ms (HR 4.299, CI 1.844–10.021, p < 0.001). In patients without risk factors, the risk of developing AF was 16%. In the presence of one risk factor, the probability increased only slightly to 18%. With two or three risk factors, the risk of AF increased to 70%. Conclusion AF was detected in about one in four patients after ESUS in this study. A comprehensive evaluation involving multiple parameters and the existence of multiple risk factors yields the highest predictive accuracy for detecting AF in patients with ESUS.

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Predictors of atrial fibrillation after embolic stroke of undetermined source in patients with implantable loop recorders

Kreimer,

Aweimer,

El-Battrawy

et al. 2024

Neurol Sci

View full text Add to dashboard Cite

show abstract

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Early atrial fibrillation detection is associated with higher arrhythmic burden in patients with loop recorder after an embolic stroke of undetermined source

Cited by 1 publication

References 15 publications

Predictors of atrial fibrillation after embolic stroke of undetermined source in patients with implantable loop recorders

Predictors of atrial fibrillation after embolic stroke of undetermined source in patients with implantable loop recorders

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