Arrhythmias & electrophysiologySecondary analysis

Digital recruitment and prevalence of screen-detected atrial fibrillation in nationwide patch-based ECG screening: the NORSCREEN randomized clinical trial

EuropacePublished

  • Secondary analysis of the NORSCREEN randomised trial
  • pre-specified analysis
  • fully digital recruitment
  • site-less

Authors' conclusion

The NORSCREEN trial demonstrates that fully digital, large-scale, site-less AF screening is feasible and effective in an at-risk population, identifying previously undiagnosed AF in 1.9% of screened individuals and showing high adherence to therapeutic recommendations.

Study context

Population
Norwegian residents aged ≥65 years with ≥1 additional stroke risk factor, without prior atrial fibrillation (AF), anticoagulation, implantable cardiac electronic devices or lack of smartphone access551,555 invited
Participants
50,549 residents
Comparison
Patch-based ECG screening vs usual care

Primary result

As reported in the abstract

Previously undiagnosed AF (screen-detected)

Screened

1.9%

382 events

Further findings

OutcomeValues
Initiation of anticoagulation among screen-detected AFScreened 95.8%

Original publication

Digital recruitment and prevalence of screen-detected atrial fibrillation in nationwide patch-based ECG screening: the NORSCREEN randomized clinical trial. Europace. Published 30 August 2026. doi:10.1093/europace/euag140

Summarised from the published abstract; every number is checked against it