Oct 2026· International Journal of Advanced Research· Vol 14, pp. 240-246· 0 citations
TL;DR
The diagnostic yield of short-duration ambulatory Holter monitoring for AF detection after ischemic stroke was assessed and the factors associated with detection were identified.
Abstract
Background: Atrial fibrillation (AF) accounts for 20-30% of ischemic strokes and is often paroxysmal and clinically silent, which limits its diagnosis on standard electrocardiography. Ambulatory Holter electrocardiographic (ECG) monitoring is the most accessible screening tool after ischemic stroke. This study assessed the diagnostic yield of short-duration ambulatory Holter monitoring for AF detection after ischemic stroke and identified the factors associated with detection. Methods: This retrospective, descriptive and analytical, single-center study was conducted in the Department of Cardiology, Ibn Sina University Hospital, Rabat, Morocco, from January 2025 to April 2026. Patients with imaging-confirmed ischemic stroke, no previously known AF, and a 24–72-hour ambulatory Holter ECG were included. Of 1,431 Holter recordings performed during the study period, 60 concerned stroke patients; three were excluded for insufficient data, leaving 57 patients. Age, sex, hypertension, and type 2 diabetes were recorded.
Holter-ECG monitoring is routinely performed after a stroke or transient ischemic attack, mainly to detect atrial fibrillation. The incidence and potential relevance of unexpected abnormalities on Holter ECG has not been systematically assessed.
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