European journal of neurology · 2023
Gapless Electrocardiogram-Monitoring in stroke at high risk of atrial fibrillation.
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Burger Achim Leo, Roesler Cornelia, Ebner Johanna, Sommer Peter, Mutzenbach Sebastian, Winkler Walther-Benedikt, Weidinger Franz, Ristl Robin, Pezawas Thomas, Greisenegger Stefan
Аннотация
BACKGROUND AND PURPOSE: Previous studies investigating prolonged electrocardiogram (ECG)-monitoring after ischemic stroke had significant gaps between the index event and the beginning of long-term monitoring. Atrial fibrillation (AF) detection might be higher if prolonged cardiac rhythm documentation is performed with a gapless approach without any interruption of monitoring time.
METHODS: This investigator-initiated, prospective study included patients with acute ischemic stroke or transient ischemic attack at three study centers. Participants received gapless ECG-monitoring via telemetry during stroke-unit admission until implantation of an insertable cardiac monitor (ICM) within the first days after the index event. Patients acted as their own controls and also received standard 24-72-h Holter ECG.
RESULTS: A total of 110 patients were included, of whom 86 (78.2%) had an embolic stroke of unknown source, 14 (12.7%) had small-vessel disease, and 10 (9.1%) had large-artery disease. AF was newly diagnosed in 17 (15.5%) patients via ICM monitoring, compared to one (0.9%) patient via Holter ECG during 6 months of follow-up (p < 0.001). The detection rate of AF within the first 30 days was 10.0%, which accounted for 64% of all new AF diagnoses. The median duration of the detected episodes was 1.7 (interquartile range = 0.2-4.7) h. All patients with new onset AF were treated with oral anticoagulation.
CONCLUSIONS: Gapless ECG-monitoring is an effective strategy to significantly increase the detection rate of AF after ischemic stroke. This finding supports the use of long-term ECG-monitoring with a gapless approach without any interruption in monitoring time as the gold standard for clinical practice.
METHODS: This investigator-initiated, prospective study included patients with acute ischemic stroke or transient ischemic attack at three study centers. Participants received gapless ECG-monitoring via telemetry during stroke-unit admission until implantation of an insertable cardiac monitor (ICM) within the first days after the index event. Patients acted as their own controls and also received standard 24-72-h Holter ECG.
RESULTS: A total of 110 patients were included, of whom 86 (78.2%) had an embolic stroke of unknown source, 14 (12.7%) had small-vessel disease, and 10 (9.1%) had large-artery disease. AF was newly diagnosed in 17 (15.5%) patients via ICM monitoring, compared to one (0.9%) patient via Holter ECG during 6 months of follow-up (p < 0.001). The detection rate of AF within the first 30 days was 10.0%, which accounted for 64% of all new AF diagnoses. The median duration of the detected episodes was 1.7 (interquartile range = 0.2-4.7) h. All patients with new onset AF were treated with oral anticoagulation.
CONCLUSIONS: Gapless ECG-monitoring is an effective strategy to significantly increase the detection rate of AF after ischemic stroke. This finding supports the use of long-term ECG-monitoring with a gapless approach without any interruption in monitoring time as the gold standard for clinical practice.