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  2. Keyword: Ischemic Attack, Transient
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Original Article

Cryptogenic Acute Ischemic Stroke: Assessment of the Performance of a New Continuous Long-Term Monitoring System in the Detection of Atrial Fibrillation

Rogerio Ferreira Sampaio et al. Isabel Cristina Gomes Eduardo Back Sternick

Abstract

Background:

Long-term monitoring has been advocated to enhance the detection of atrial fibrillation (AF) in patients with stroke.

Objective:

To evaluate the performance of a new ambulatory monitoring system with mobile data transmission (PoIP) compared with 24-hour Holter. We also aimed to evaluate the incidence of arrhythmias in patients with and without stroke or transient ischemic attack.

Methods:

Consecutive patients with and without stroke or TIA, without AF, were matched by propensity score. Participants underwent 24-hour Holter and 7-day PoIP monitoring.

Results:

We selected 52 of 84 patients (26 with stroke or TIA and 26 controls). Connection and recording times were 156.5 ± 22.5 and 148.8 ± 20.8 hours, with a signal loss of 6,8% and 11,4%, respectively. Connection time was longer in ambulatory (164.3 ± 15.8 h) than in hospitalized patients (148.8 ± 25.6 h) (p = 0.02), while recording time did not differ between them (153.7 ± 16.9 and 143.0 ± 23.3 h). AF episodes were detected in 1 patient with stroke by Holter, and in 7 individuals (1 control and 6 strokes) by PoIP. There was no difference in the incidence of arrhythmias between the groups.

Conclusions:

Holter and PoIP performed equally well in the first 24 hours. Data transmission loss (4.5%) occurred by a mismatch between signal transmission (2.5G) and signal reception (3G) protocols in cell phone towers (3G). The incidence of arrhythmias was not different between stroke/TIA and control groups.

  • Atrial Fibrillation
  • Cell Phone
  • Electrocardiography, Ambulatory
  • Ischemic Attack, Transient
  • Stroke
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Creative Commons Attribution (CC BY) Creative Commons license
02/07/2018 DOI: 10.5935/abc.20180112 Views 1

How to cite this article

EndNote RIS

Electronic Document Format (Vancouver)

Sampaio RF, Gomes IC, Sternick EB. Cryptogenic Acute Ischemic Stroke: Assessment of the Performance of a New Continuous Long-Term Monitoring System in the Detection of Atrial Fibrillation. Arquivos Brasileiros de Cardiologia 2018;111(2):122-31.

Electronic Document Format (ABNT)

Sampaio, Rogerio Ferreira; Gomes, Isabel Cristina; Sternick, Eduardo Back. Cryptogenic Acute Ischemic Stroke: Assessment of the Performance of a New Continuous Long-Term Monitoring System in the Detection of Atrial Fibrillation. Arquivos Brasileiros de Cardiologia, v. 111, n. 2, p. 122-131, Jul. 2018.

Electronic Document Format (APA)

Sampaio, R. F., Gomes, I. C., & Sternick, E. B. (2018). Cryptogenic Acute Ischemic Stroke: Assessment of the Performance of a New Continuous Long-Term Monitoring System in the Detection of Atrial Fibrillation. Arquivos Brasileiros de Cardiologia, 111(2), 122-131.

Electronic Document Format (ISO)

Sampaio, Rogerio Ferreira and Gomes, Isabel Cristina and Sternick, Eduardo Back. Cryptogenic Acute Ischemic Stroke: Assessment of the Performance of a New Continuous Long-Term Monitoring System in the Detection of Atrial Fibrillation. Arquivos Brasileiros de Cardiologia [online]. 2018, vol. 111, n. 2, [cited 2026-10-14], pp. 122-131. Available from: <https://journals.cardiol.br/en/article/cryptogenic-acute-ischemic-stroke-assessment-of-the-performance-of-a-new-continuous-long-term-monitoring-system-in-the-detection-of-atrial-fibrillation/>. ISSN 0066-782X

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