Remote Screening for Asymptomatic Atrial Fibrillation

What is the long-term effect on atrial fibrillation (AF) diagnosis of screening older individuals at moderate to high risk of stroke using a single, 14-day, patch-based continuous ambulatory electrocardiogram monitor?In this remote randomized clinical trial including 5040 individuals in primary care, AF was diagnosed by 2.5 years after randomization in 172 individuals (6.8%) in the intervention group vs 136 (5.4%) in the control group, a statistically significant difference.A mail-based AF screening program led to a modest long-term increase in AF diagnosis.

Corresponding Authors: Rohan Wijesurendra, DPhil, Clinical Trial Service Unit and Epidemiological Studies Unit, Oxford Population Health, University of Oxford, Richard Doll Building, Old Road Campus, Oxford OX3 7LF, UK (rohan.wijesurendra@ndph.ox.ac.uk); Barbara Casadei, DPhil, National Heart and Lung Institute, Faculty of Medicine, Imperial College London, ICTEM Building, Du Cane Rd, Hammersmith Campus, London W12 0NN, UK (b.casadei@imperial.ac.uk).

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