Contemporary management of atrial fibrillation and the predicted vs. absolute risk of ischaemic stroke despite treatment: a report from ESC-EHRA EORP-AF Long-Term General Registry

Wern Yew Ding, Carina Blomström-Lundqvist, Laurent Fauchier, Francisco Marin, Tatjana S. Potpara, Giuseppe Boriani, Gregory Y. H. Lip*, ESC-EHRA EORP-AF Long-Term General Registry Investigators, A. Marni Joensen (Member of study group), A. Gammelmark (Member of study group), L. Hvilsted Rasmussen (Member of study group), P. Dinesen (Member of study group), S. Riahi (Member of study group), S. Krogh Venø (Member of study group), B. Sorensen (Member of study group), A. Korsgaard (Member of study group), K. Andersen (Member of study group), C. Fragtrup Hellum (Member of study group)

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

2 Citations (Scopus)
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BACKGROUND: Risk stratification in patients with atrial fibrillation (AF) is important to facilitate guideline-directed therapies. The Calculator of Absolute Stroke Risk (CARS) scheme enables an individualized estimation of 1-year absolute risk of stroke in AF. We aimed to investigate the predicted and absolute risks of ischaemic stroke, and evaluate whether CARS (and CHA2DS2-VASc score) may be useful for identifying high risk patients with AF despite contemporary treatment.

METHODS: We utilized the EORP-AF General Long-Term Registry which prospectively enrolled patients with AF from 250 centres across 27 participating European countries. Patients with sufficient data to determine CARS and CHA2DS2-VASc score, and reported outcomes of ischaemic stroke were included in this analysis. The primary outcome of ischaemic stroke was recorded over a 2-year follow-up period.

RESULTS: A total of 9444 patients were included (mean age 69.1 [±11.4] years; 3776 [40.0%] females). There was a high uptake (87.9%) of anticoagulation therapy, predominantly with vitamin K antagonist (50.0%). Over a mean follow-up period of 24 months, there were a total of 101 (1.1%) ischaemic stroke events. In the entire cohort, the median CARS and absolute annual risks of ischaemic stroke were 2.60 (IQR 1.60-4.00) and 0.53% (95%CI 0.43-0.64%), respectively. There was no statistical difference between the predictive performance of CARS and CHA2DS2-VASc score (0.621 [95%CI 0.563-0.678] vs. 0.626 [95%CI 0.573-0.680], P = 0.725).

CONCLUSION: Contemporary management of AF was associated with a low risk of ischaemic stroke. CARS and CHA2DS2-VASc score may be useful to identify high risk patients despite treatment who may benefit from more aggressive treatment and follow-up.

Original languageEnglish
Article numbereuac214
Issue number2
Pages (from-to)277-282
Number of pages6
Publication statusPublished - 16 Feb 2023

Bibliographical note

© The Author(s) 2022. Published by Oxford University Press on behalf of the European Society of Cardiology.


  • Absolute stroke risk
  • Aged
  • Anticoagulants/therapeutic use
  • Atrial Fibrillation/complications
  • Atrial fibrillation
  • Brain Ischemia/diagnosis
  • CARS
  • CHA2DS2-VASc score
  • Female
  • Humans
  • Ischaemic stroke
  • Ischemic Stroke
  • Male
  • Predictive stroke risk
  • Registries
  • Risk Assessment
  • Risk Factors
  • Stroke/diagnosis
  • CHA DS -VASc score


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